Lifestyle Medicine and Sarcopenia in Viet Nam: Muscle Assessment, Resistance Training, and Nutritional Support

Lifestyle Medicine and Sarcopenia in Viet Nam: Muscle Assessment, Resistance Training, and Nutritional Support

Primary category: Evidence & Clinical Practice

Secondary category: Lifestyle Medicine in Viet Nam

Article type: VLMA Perspective

Last reviewed: October 30, 2026

An older adult returns home after hospitalization. Their acute illness has improved, and they are medically stable enough for discharge. Yet ordinary activities have become unexpectedly difficult. Rising from a chair requires assistance, walking feels exhausting, and climbing stairs is no longer as easy as before admission.

Another person may have a different experience. Their body weight has remained relatively stable, and they continue working and managing household responsibilities. Over time, however, carrying groceries, walking longer distances, or getting up from the floor begins to require more effort.

These changes are sometimes attributed to normal aging. Although muscle strength and physical capacity often decline with age, clinically important muscle impairment should not simply be accepted as inevitable or dismissed without appropriate assessment.

Sarcopenia is a skeletal muscle condition characterized by reduced muscle mass and strength. It is associated with impaired mobility, reduced independence, and an increased risk of adverse health outcomes. Aging is an important contributor, but physical inactivity, inadequate nutrition, chronic illness, and other factors can also affect muscle health.

Evidence-based Lifestyle Medicine has a relevant role because resistance training and appropriate nutritional support are important components of management. Their application, however, requires more than advising people to exercise regularly or consume additional protein.

For healthcare professionals in Viet Nam, the challenge is to recognize clinically important muscle decline, distinguish sarcopenia from other causes of weakness, and connect assessment with interventions that help people maintain strength, mobility, and everyday functioning.

Muscle Health Is More Than Muscle Mass

Sarcopenia is often described simply as age-related muscle loss. This can be misleading if it suggests that muscle quantity alone determines whether someone has the condition.

Muscle mass, muscle strength, and physical performance are related but distinct characteristics.

Muscle mass describes the quantity of skeletal muscle. Muscle strength reflects the ability to generate force, while physical performance describes how effectively someone completes activities such as walking, turning, standing, or rising from a chair.

These characteristics do not always change together. Someone may have relatively preserved muscle mass but reduced strength. Another person may have low muscle mass yet maintain reasonable mobility. Physical performance can also be affected by pain, neurological disorders, cardiovascular disease, balance impairment, and other conditions that do not directly reflect muscle quantity.

This distinction matters because an increase in muscle mass does not necessarily produce an equivalent improvement in strength or physical function.

Sarcopenia also needs to be distinguished from frailty, malnutrition, and cachexia.

Frailty involves increased vulnerability to adverse outcomes associated with reduced physiological reserves across multiple body systems. Malnutrition results from inadequate nutritional intake or assimilation and may contribute to muscle loss and functional impairment. Cachexia is a complex metabolic condition associated with underlying disease, often involving inflammation and substantial tissue loss.

These conditions may overlap, but they are not interchangeable diagnoses. A person can experience several of them simultaneously, and each may require particular attention.

Substantial muscle weakness may also result from neurological disease, endocrine disorders, medication effects, severe systemic illness, or other medical problems. When the underlying cause has not been established, prescribing more exercise or protein without appropriate clinical assessment may delay necessary treatment.

For Lifestyle Medicine, supporting muscle health begins with understanding the nature and possible causes of the impairment rather than assuming that everyone with weakness requires the same intervention.

What Changed in the 2025 Asian Sarcopenia Consensus?

An important development occurred on November 4, 2025, when the Asian Working Group for Sarcopenia published its updated consensus in Nature Aging. [1]

The update reflects a shift from focusing mainly on diagnosing sarcopenia in older adults toward promoting skeletal muscle health across a broader period of adult life.

One significant change is the extension of diagnostic considerations to adults aged 50–64 years, with age-specific thresholds developed using Asian population data.

This recognizes that clinically relevant muscle decline may begin before someone reaches the age traditionally associated with geriatric care.

Another important change concerns diagnostic confirmation.

Under the 2019 Asian consensus, sarcopenia could be diagnosed when low muscle mass occurred together with either low muscle strength or reduced physical performance. [2]

The 2025 consensus simplifies the diagnostic framework by requiring the concurrent presence of low muscle mass and low muscle strength. Physical performance remains clinically important, but it is no longer a required component for confirming sarcopenia under the updated algorithm.

This distinction has practical consequences.

A person who walks slowly or struggles to rise from a chair should not automatically be diagnosed with sarcopenia without appropriate assessment of muscle mass and strength. Conversely, someone who can still walk reasonably well may already have clinically significant reductions in both.

The updated consensus also provides different handgrip strength thresholds according to age and sex.

For adults aged 50–64 years, low handgrip strength is defined as below 34 kilograms in men and below 20 kilograms in women.

For adults aged 65 years and older, the corresponding thresholds remain below 28 kilograms in men and below 18 kilograms in women.

These measurements form part of the diagnostic framework. Handgrip strength below the relevant threshold is not sufficient, by itself, to establish sarcopenia.

Appropriate measurement of skeletal muscle mass is also required, using thresholds that correspond to the individual's age and sex and the measurement method.

The 2025 consensus further recognizes that muscle mass adjusted for height and muscle mass adjusted for body mass index may provide different information. This is particularly relevant when body composition varies substantially between individuals.

The revised framework supports earlier identification of muscle impairment while maintaining the need for standardized measurement and clinical interpretation.

It also has implications for research. A prevalence estimate obtained using the 2019 criteria should not automatically be treated as directly comparable with one generated using the revised 2025 framework.

For healthcare professionals in Viet Nam, the updated consensus provides an important international scientific reference. Its application nevertheless requires consideration of the clinical setting, available assessment methods, professional expertise, and population being evaluated.

From Screening to Confirmed Diagnosis

Body weight and body mass index are easily measured, but neither provides a reliable assessment of skeletal muscle health.

A person may have a normal body mass index while experiencing substantial muscle weakness. Another may have obesity alongside reduced muscle strength or muscle mass.

Clinical assessment may begin with a history of declining strength, difficulty rising from a chair, slower walking, repeated falls, reduced activity, unintended weight loss, or deterioration following hospitalization.

Screening tools can help identify people who may benefit from further evaluation.

The SARC-F questionnaire examines strength, assistance with walking, rising from a chair, stair climbing, and falls. Calf circumference and combined screening approaches may provide additional information in appropriate settings.

However, these instruments have limitations, including the possibility of missing some people with clinically relevant muscle impairment. A positive screening result is not equivalent to a confirmed diagnosis, and a negative result does not necessarily exclude every important muscle-related problem.

Handgrip strength provides a practical measure of muscle strength when performed using an appropriate dynamometer and standardized procedures.

Skeletal muscle mass may be assessed using dual-energy X-ray absorptiometry or bioelectrical impedance analysis. These techniques differ in availability, cost, measurement characteristics, and susceptibility to error.

Bioelectrical impedance analysis may be more accessible in routine healthcare, but its estimates depend partly on hydration status, measurement conditions, and the equations used by the device.

Dual-energy X-ray absorptiometry provides an established approach to body-composition assessment, although it requires appropriate equipment and standardized interpretation.

In hospitalized patients, edema, dehydration, acute illness, and changes in fluid balance can complicate the interpretation of body-composition measurements.

Functional tests remain valuable even though physical performance is no longer required for diagnostic confirmation under the updated Asian consensus.

Walking speed, repeated chair-rise testing, and the Short Physical Performance Battery can help identify mobility limitations and assess changes over time. These tests may also reveal difficulties related to other medical conditions.

The appropriate assessment depends on the clinical question, the patient's condition, available resources, and the decisions that the findings are expected to support.

Not every patient needs extensive testing. However, accessible screening methods should not be presented as confirming sarcopenia when the necessary diagnostic measurements have not been performed.

Resistance Training Is Important, but Expected Benefits Need Careful Interpretation

Resistance training is among the best-supported interventions for people with sarcopenia.

Unlike general advice to become more physically active, resistance training involves planned muscle loading intended to improve strength and physical capacity.

Depending on the person's condition, training may involve resistance machines, free weights, elastic bands, body-weight movements, or other suitable methods.

The objective is not simply to increase exercise duration. It is to provide an appropriate stimulus that addresses an identified limitation.

A systematic review and meta-analysis by Yan and colleagues, published in Aging Clinical and Experimental Research in November 2025, examined 24 randomized controlled trials involving 951 adults aged 60 years and older with sarcopenia. [3]

The researchers found statistically significant improvements in handgrip strength, knee extension strength, walking speed, and performance in selected mobility and chair-rise tests.

However, the pooled analysis did not demonstrate statistically significant improvements in appendicular skeletal muscle mass or its index.

The authors also reported that average improvements in several functional outcomes did not exceed the minimum important difference thresholds used in their analysis.

This distinction matters because statistical significance and clinical importance are not the same.

A statistically significant result provides evidence of a difference under the assumptions of the analysis. It does not necessarily mean that the average improvement is large enough to make a meaningful difference in everyday life.

A second systematic review by Tan and colleagues, published in January 2026, included 25 randomized controlled trials involving 1,302 participants with sarcopenia. [4]

This review reported improvements in muscle strength, walking ability, handgrip strength, and selected body-composition measures following resistance training.

However, the effects varied across outcomes, and some estimates were based on relatively small numbers of studies.

The findings of the two reviews are not necessarily contradictory. They involved differences in study selection, participant characteristics, intervention programs, outcome definitions, and analytical methods.

Together, they demonstrate why improvements in muscle mass, strength, and physical performance should be evaluated separately.

Evidence concerning the most effective training frequency, intensity, duration, and total volume also remains incomplete.

Although researchers have used statistical models to estimate potentially beneficial training doses, those estimates should not be treated as precise prescriptions for every person with sarcopenia.

The available evidence supports resistance training as an important intervention while recognizing that its benefits depend on the person's baseline condition, the training program, adherence, and the outcome being assessed.

What the October 2026 Evidence Adds

A recent umbrella review by Huang and colleagues, published in BMC Geriatrics on October 13, 2026, provides additional perspective on exercise, nutrition, and combined interventions for muscle-related health outcomes. [5]

The researchers evaluated 28 systematic reviews and meta-analyses of randomized controlled trials involving older adults.

The methodological quality of the evidence was mixed. Ten reviews were rated as having high or moderate confidence, while 18 were rated low or critically low.

Interventions containing exercise generally demonstrated more consistent evidence of benefit, particularly for preventing falls and fall-related injuries.

Nutrition-only interventions showed potential benefits for muscle-mass outcomes in selected vulnerable populations. However, effects on walking speed, physical performance, and frailty were less consistent without exercise.

Combined exercise and nutritional interventions produced favorable estimates for some strength and functional outcomes. Nevertheless, several apparently large effects came from small or selected study populations, limiting confidence in their generalizability.

The review also included older adults with different health conditions and functional characteristics, rather than exclusively people with sarcopenia confirmed under the latest Asian diagnostic criteria.

Its findings therefore provide useful broader evidence but should not be presented as a definitive estimate of treatment effectiveness for every patient with sarcopenia.

The review was also limited by overlap between included studies, differences in intervention programs and populations, and incomplete information for some assessments of evidence credibility.

For professional education, the important lesson is that exercise, nutrition, and combined interventions do not necessarily produce equivalent benefits across every outcome.

Increasing muscle mass, improving strength, reducing falls, and preserving independence are related objectives, but they do not have identical evidence bases.

These distinctions should inform how interventions are selected, how their benefits are communicated, and which outcomes are used to evaluate success.

Making Resistance Training Safe and Practical

An exercise program suitable for a physically independent older adult may be inappropriate for someone recovering from an acute illness or experiencing substantial mobility limitations.

For a person who remains active but has reduced strength, progressive resistance training may be suitable. Someone recovering from hospitalization may initially require assistance with basic movements such as standing, transferring between surfaces, or walking safely.

A patient with significant balance impairment may need additional support to reduce the risk of falling during exercise.

Underlying medical conditions also influence training decisions. Cardiovascular stability, musculoskeletal pain, osteoporosis, previous fractures, neurological symptoms, and the person's general physical condition should be considered when selecting and progressing exercises.

Rapidly progressive or unexplained weakness requires appropriate clinical evaluation rather than automatic escalation of exercise intensity.

Training can begin with manageable resistance and progress according to strength, technique, tolerance, and recovery.

Some patients may initially benefit from relatively simple functional movements, while others require more challenging muscle loading to achieve meaningful improvement.

Professional supervision is particularly valuable when technique, balance, or safety is uncertain.

Walking and other aerobic activities remain useful for cardiovascular health, endurance, and mobility, but they do not necessarily provide sufficient progressive muscle loading to address substantial weakness.

Balance and functional exercises may therefore be combined with resistance training when appropriate.

The World Health Organization's second edition of Integrated Care for Older People, published in September 2025, provides a broader framework for recognizing declines in intrinsic capacity and developing coordinated, person-centered care plans. [6]

This framework can help connect muscle health with mobility, nutritional status, associated medical conditions, and social support.

However, it does not replace sarcopenia-specific diagnostic criteria or establish an identical exercise program for every older person.

The practical aim is to select interventions that reflect individual needs and support functional improvement without creating unnecessary safety risks or treatment burdens.

Nutritional Assessment Should Come Before Supplementation

Nutrition plays an important role in maintaining skeletal muscle, particularly among older adults and people recovering from illness.

Inadequate energy intake, insufficient dietary protein, reduced appetite, chewing or swallowing difficulties, and illness-related nutritional problems may contribute to declining muscle mass and function.

However, nutritional support should begin with assessment rather than automatic prescription of protein supplements.

Healthcare professionals should consider recent weight changes, habitual food intake, nutritional risk, associated medical conditions, and factors affecting the person's ability to obtain and consume adequate food.

Total energy intake matters alongside protein. Someone who consumes insufficient energy may continue to lose body tissue even when protein intake increases.

In Viet Nam, familiar foods such as fish, eggs, meat, milk, tofu, soy products, legumes, and other locally available ingredients can contribute to meeting nutritional needs.

Dietary counseling should consider portion sizes, meal patterns, nutritional quality, affordability, and individual preferences.

Protein requirements vary according to age, nutritional status, physical activity, current illness, and other clinical considerations.

Some older adults with nutritional deficits may need additional protein or other nutritional support, but a single intake target should not automatically be applied to everyone with sarcopenia.

This is particularly relevant in chronic kidney disease, where recommendations may differ according to kidney function, dialysis status, nutritional condition, and other medical needs.

People experiencing swallowing disorders, gastrointestinal problems, substantial appetite loss, or unintended weight loss may require specialized nutritional assessment.

Oral nutritional supplements can be useful when ordinary meals cannot adequately meet nutritional needs or when another clinical indication exists.

Their use, however, should reflect expected benefits, safety, affordability, and appropriate monitoring.

The objective is to address nutritional inadequacy while supporting muscle function and recovery, rather than treating protein supplementation as a universal solution for muscle decline.

Do Amino Acid Supplements Provide Additional Benefits?

Products containing leucine, essential amino acids, branched-chain amino acids, and beta-hydroxy-beta-methylbutyrate are frequently promoted for muscle health.

These substances have plausible biological mechanisms related to muscle protein metabolism. However, their clinical value must be established through appropriately designed studies rather than inferred from those mechanisms alone.

A systematic review and meta-analysis by Xie and colleagues, published in BMC Musculoskeletal Disorders in January 2026, examined nine randomized controlled trials involving 496 older adults with sarcopenia. [7]

The analysis compared resistance training combined with amino acid-based supplementation against resistance training alone.

The combined interventions were associated with improvements in several measures of muscle strength and physical performance, including handgrip strength, walking speed, the Short Physical Performance Battery, and repeated chair-rise performance.

However, the evidence was rated as low or very low certainty.

The analysis did not identify statistically significant additional improvements in appendicular skeletal muscle mass or skeletal muscle mass index.

The trials also differed in supplement composition, baseline protein intake, intervention duration, training programs, and participant characteristics.

These differences limit conclusions about any particular supplement.

Selected products may provide additional benefits in some circumstances, but the findings do not justify routinely recommending a specific amino acid product to every person with sarcopenia.

Similarly, vitamin D supplementation should be considered according to deficiency status and other established clinical indications rather than promoted as a stand-alone treatment for sarcopenia.

The distinction between adequate nutrition and commercial supplementation is particularly important for scientifically independent professional education.

A product containing ingredients associated with muscle protein synthesis does not automatically improve mobility, prevent falls, or restore muscle function.

Recommendations should reflect clinical needs, the strength of evidence, safety, affordability, and any relevant conflicts of interest.

Sarcopenia Can Coexist With Obesity

Sarcopenia is often associated with thin or frail-looking older adults, but muscle impairment can also occur in people living with obesity.

Excess adiposity and reduced skeletal muscle strength or mass may coexist.

Sarcopenic obesity describes a condition in which obesity occurs alongside impaired skeletal muscle mass and function. Identifying it requires appropriate assessment rather than relying on body mass index alone.

An international clinical nutrition statement led by Barazzoni and colleagues, published online in March 2026 and subsequently appearing in Clinical Nutrition in June, identified sarcopenic obesity as an important clinical and research priority. [8]

The statement was endorsed by the European Society for Clinical Nutrition and Metabolism and supported by other international clinical nutrition organizations.

It emphasized the importance of preserving muscle health during weight management, including when anti-obesity medications are used.

This does not mean that weight reduction is inappropriate for everyone with obesity and impaired muscle function.

Rather, treatment should consider muscle strength, body composition, nutritional intake, and physical function alongside changes in body weight.

For someone with obesity and reduced muscle strength, aggressive energy restriction without appropriate nutritional assessment or resistance training may increase functional vulnerability.

Unintended weight loss also deserves attention and should not automatically be interpreted as beneficial.

The statement is a professional call to action and nutritional agenda rather than a universal diagnostic or treatment protocol.

For healthcare professionals in Viet Nam, the practical implication is that weight management should not focus exclusively on reducing the number displayed on a scale.

Preserving or improving muscle strength and function may be particularly important among older adults and people with additional medical risks.

What Hospital-Based Research From Viet Nam Shows

Vietnamese research provides useful information about muscle health in different healthcare settings. However, study findings must be interpreted according to their participants, diagnostic criteria, and research methods.

A cross-sectional study published in the Vietnam Medical Journal in December 2025 examined 210 patients receiving internal medical care at Hanoi Medical University Hospital. [9]

The researchers used the Asian Working Group for Sarcopenia 2019 criteria, assessing muscle strength, muscle mass, and physical performance.

Sarcopenia was identified in 54.8% of the study population.

Age 60 years or older was associated with higher odds of sarcopenia, while malnutrition assessed using established nutritional criteria was also strongly associated with the condition.

These findings highlight the relevance of muscle assessment among medically vulnerable patients.

However, the reported 54.8% reflects a selected hospital population. It is not a prevalence estimate for older adults or the general population of Viet Nam.

The diagnosis was also established using the 2019 Asian criteria, so the findings should not automatically be treated as equivalent to estimates generated using the revised 2025 framework.

A larger Vietnamese study provides further context.

Nguyen Anh Trung and colleagues published a cross-sectional study in BMC Geriatrics on September 15, 2026, involving 1,160 patients aged 65 years and older at the National Geriatric Hospital in Hanoi. [10]

The researchers conducted comprehensive geriatric assessments covering medical conditions, cognitive function, mood, independence, nutritional status, muscle strength, muscle mass, and physical performance.

Sarcopenia was identified in 38.6% of participants, using the concurrent presence of low muscle mass and low muscle strength.

The study applied the established 2019 Asian cutoffs for adults aged 65 years and older together with a two-component diagnostic definition consistent with the principal requirements of the 2025 consensus for this age group.

Factors associated with sarcopenia included older age, male sex, inpatient status, frailty, cognitive impairment, lower body mass index, and certain social circumstances.

These findings reinforce the importance of considering muscle health within comprehensive geriatric assessment rather than treating it as an isolated body-composition problem.

However, this was a hospital-based cross-sectional study. It cannot establish the national prevalence of sarcopenia or determine whether the associated factors caused the condition.

The estimates of 54.8% and 38.6% from the two Vietnamese hospital studies should also not be compared as though they represent a change in sarcopenia prevalence over time.

The studies involved different populations, settings, and diagnostic approaches.

Their combined value lies in demonstrating the clinical relevance of muscle impairment among hospitalized and outpatient populations while highlighting the need for consistent assessment methods and broader Vietnamese research.

Short-Term Nutritional Intervention Evidence From Viet Nam

A separate Vietnamese study, published in August 2026, examined nutritional support among 120 hospitalized patients aged 65–80 years at Military Hospital 354. [11]

Participants were identified as being at nutritional risk using the Mini Nutritional Assessment–Short Form and were randomly allocated to an intervention group or a usual-care comparison group.

The intervention group received individualized nutritional counseling combined with an additional 20 grams of oral protein daily for 15 days.

Compared with usual care, the intervention group experienced greater improvements in nutritional assessment scores and selected biochemical measures, together with more favorable short-term changes in handgrip strength, body-composition estimates, and activities of daily living.

These findings are encouraging for nutritional care among hospitalized older adults.

However, the study did not specifically recruit participants with confirmed sarcopenia under the 2025 Asian consensus.

The intervention lasted only 15 days, and the results do not establish sustained improvements in muscle health or reductions in falls, fractures, hospital readmissions, or mortality.

Changes in albumin and prealbumin require particular caution because these measurements can be influenced by inflammation, illness, and fluid status rather than nutritional intake alone.

The study is therefore better understood as evidence concerning short-term nutritional support in hospitalized older patients than as definitive evidence of long-term sarcopenia treatment effectiveness.

It also does not establish that the same supplementation approach would benefit all older adults living independently in the community.

What the Can Gio Community Trial Adds

A study published in Nutrients on September 20, 2026, provides another Vietnamese perspective on exercise and nutritional interventions for sarcopenia, this time outside the hospital setting. [12]

The researchers examined 90 community-dwelling adults aged 60–70 years with sarcopenia, recruited from three communities in Can Gio, Ho Chi Minh City.

Participants were identified using the Asian Working Group for Sarcopenia 2019 criteria.

The study compared three approaches: health education alone, health education combined with structured exercise, and the same exercise program combined with individualized nutritional counseling and oral nutritional supplementation.

The two active intervention groups participated in aerobic and resistance exercise over 24 weeks.

During the first 12 weeks, the combined intervention group also received individualized nutritional counseling and a daily oral supplement providing additional energy, protein, and other nutrients.

The researchers assessed skeletal muscle mass index, handgrip strength, and walking speed at baseline, 12 weeks, and 24 weeks.

At 24 weeks, both active intervention communities demonstrated more favorable changes in handgrip strength than the health education community.

The exercise-only community also demonstrated a more sustained improvement in walking speed, while changes in skeletal muscle mass were relatively modest.

These findings are relevant because they suggest that community-based exercise interventions may be feasible and potentially beneficial for older Vietnamese adults with sarcopenia.

However, the study has an important methodological limitation.

Only three communities were randomized, with one community assigned to each intervention arm.

Consequently, the effects of the interventions cannot be separated reliably from differences between communities. Individual-level statistical analysis cannot fully resolve the uncertainty created by having only one cluster per intervention.

The trial was also registered retrospectively, and there was no nutrition-only comparison group.

The findings therefore cannot establish whether exercise alone is more effective than exercise combined with nutritional support or determine the independent contribution of the nutritional intervention.

The difference in walking-speed outcomes should not be interpreted as evidence that nutritional support was harmful or unnecessary.

Nutritional supplementation was provided only during the first 12 weeks, while exercise continued for 24 weeks. Baseline differences and other community-level factors may also have influenced the observed outcomes.

The authors appropriately described the between-group findings as exploratory.

Despite these limitations, the research is valuable because it examines a practical community-based approach within Viet Nam rather than relying exclusively on evidence from other countries.

It also provides useful information for designing future studies involving more randomized communities, suitable statistical methods, prospective trial registration, and longer follow-up.

For professional education, the study illustrates an important principle: locally relevant research can inform practice while still requiring careful interpretation of what its design can and cannot demonstrate.

Measuring Improvement Beyond Muscle Mass

A diagnosis of sarcopenia should lead to a clear understanding of what treatment is intended to achieve.

Counting exercise sessions, nutritional consultations, or supplement distributions may describe service activity, but these figures do not establish whether the interventions have improved health.

Muscle strength can be monitored using standardized handgrip measurements or other suitable tests.

Changes in muscle mass may be assessed when appropriate measurement methods are available, although interpretation should account for hydration, measurement conditions, changes in body weight, and technical variability.

Physical performance remains an important clinical outcome despite its revised role in the 2025 Asian diagnostic framework.

Walking speed, repeated chair-rise performance, and other validated functional measures can help determine whether changes in strength are translating into better mobility.

Patient-reported outcomes provide another perspective.

Someone may value being able to stand without assistance, climb stairs, carry groceries, walk to a nearby market, or return to ordinary activities after hospitalization.

These improvements may be more meaningful to the person than a small increase in estimated skeletal muscle mass.

Treatment evaluation should also consider fatigue, exercise tolerance, nutritional intake, adverse effects, adherence, and changes in associated medical conditions.

A statistically significant difference in a clinical study may not exceed a threshold considered meaningful to patients. Conversely, an individual may experience important functional improvement even when changes in body-composition measurements are modest.

This distinction is relevant because recent research suggests that improvements in strength and mobility may occur without substantial measurable increases in muscle mass.

Follow-up should help determine whether treatment needs to be progressed, modified, or supplemented by further clinical assessment.

If someone's strength or physical function continues to deteriorate despite appropriate support, the response should not simply be to prescribe more exercise or supplements.

Other causes of weakness, malnutrition, or functional decline may need investigation.

The purpose of monitoring is to connect clinical assessment and intervention with improvements that matter in everyday life.

Making Sarcopenia Care Practical in Viet Nam

Integrating sarcopenia assessment and management into Vietnamese healthcare does not necessarily require establishing a separate specialist service for every patient.

Opportunities may exist within internal medicine, geriatrics, rehabilitation medicine, clinical nutrition, primary care, and post-hospital follow-up.

A practical approach may begin by recognizing people who have recently lost strength, experienced functional deterioration, become less mobile after illness, or developed significant nutritional problems.

Appropriate screening can help identify those who require further assessment.

Where specialized body-composition testing is unavailable, accessible measures such as handgrip strength and functional testing may provide useful clinical information. However, they should not be represented as confirming sarcopenia unless the relevant diagnostic requirements have been met.

The approach should reflect the clinical setting and the patient's circumstances.

An older adult recovering from hospitalization may need coordinated medical assessment, nutritional care, and supervised rehabilitation.

Another person living independently with mild functional limitations may benefit from appropriate exercise instruction, nutritional evaluation, and follow-up within an accessible healthcare service.

Some patients will require specialist investigation or more intensive support.

Access to rehabilitation and nutritional services may vary between major urban hospitals, provincial facilities, and community settings.

Travel costs, financial constraints, limited availability of trained professionals, and difficulties attending repeated appointments may affect continuity of care.

Home-based resistance training may be feasible for selected individuals following suitable assessment and instruction. Others with substantial impairment, complex medical conditions, or safety concerns may require closer professional supervision.

Collaboration among physicians, rehabilitation professionals, clinical nutrition professionals, nurses, and other appropriately qualified healthcare practitioners can help coordinate assessment and follow-up.

The World Health Organization's Integrated Care for Older People approach offers a useful wider framework for linking mobility, vitality, and individual functional goals within primary and community healthcare. [6]

For healthcare organizations, implementation may begin with consistent assessment practices, clear referral criteria, and meaningful evaluation of outcomes.

The objective should be feasible care that responds to patients' needs rather than introducing new screening devices, exercise programs, or nutritional products without a clear clinical purpose.

Professional and Legal Considerations in Viet Nam

Lifestyle Medicine can contribute to sarcopenia care through evidence-based professional education, appropriate physical activity, nutritional support, and attention to the circumstances affecting muscle health.

However, diagnosing sarcopenia, interpreting body-composition measurements, assessing unexplained muscle weakness, prescribing clinical rehabilitation, and providing disease-specific nutritional treatment are healthcare activities requiring appropriate professional competence and authorization.

In Viet Nam, the Law on Medical Examination and Treatment No. 15/2023/QH15, effective January 1, 2024, as amended, provides the principal legal framework for medical examination and treatment. [13]

Healthcare professionals and facilities must act within their qualifications, professional responsibilities, and legally authorized scopes of practice.

Completion of a Lifestyle Medicine course, professional certification, or health coaching program does not independently authorize someone to diagnose sarcopenia, prescribe medical rehabilitation, manage complex nutritional disorders, or provide regulated clinical services outside the applicable legal framework.

The 2025 Asian Working Group for Sarcopenia consensus and international research can inform professional education and clinical understanding, but they do not automatically become binding Vietnamese clinical requirements.

The same distinction applies to exercise interventions and supplementation.

An international study reporting benefits from a particular intervention does not establish that the method is suitable for every patient or that a commercial product has been approved for a particular medical indication in Viet Nam.

Clinical decisions should consider the individual's condition, relevant evidence, available resources, and applicable professional requirements.

Patient information also requires appropriate protection.

Health histories, muscle measurements, nutritional assessments, rehabilitation records, and other identifiable health information may contain sensitive personal data.

The Law on Personal Data Protection No. 91/2025/QH15 and Decree No. 356/2025/NĐ-CP, both effective January 1, 2026, establish relevant requirements governing the processing and protection of personal data. [14,15]

Healthcare organizations must ensure that personal information is collected, accessed, used, and shared through appropriate legal and professional arrangements.

For the Vietnam Lifestyle Medicine Alliance (VLMA), sarcopenia is a relevant area for evidence-based professional education and scientific knowledge exchange.

VLMA is a physician-led professional platform operated by Vietnam Lifestyle Medicine Alliance Company Limited. Its role is to support evidence-based Lifestyle Medicine through professional education, capability development, critical interpretation of research, and responsible collaboration.

Potential educational topics include the 2025 Asian diagnostic framework, interpretation of muscle strength and body-composition measurements, evidence for resistance training, nutritional assessment, and the limitations of commercial supplementation.

Such activities would benefit from collaboration with appropriately qualified geriatricians, rehabilitation physicians, clinical nutrition professionals, physiotherapists, and other relevant healthcare practitioners.

These are potential directions for professional education rather than claims that VLMA currently provides sarcopenia diagnosis, clinical exercise treatment, nutritional prescriptions, or individualized rehabilitation services.

The purpose is to strengthen professional understanding while respecting the clinical responsibilities and legal requirements governing healthcare in Viet Nam.

Preserving Muscle Health Means Preserving Function

Sarcopenia demonstrates why evidence-based Lifestyle Medicine needs to move beyond general recommendations to exercise more and consume enough protein.

The updated Asian consensus provides a clearer diagnostic framework and extends attention to muscle health earlier in adulthood.

Recent research supports resistance training as an important intervention while showing that improvements in muscle strength, physical performance, and muscle mass do not always occur to the same extent.

Nutritional support is equally relevant when inadequate intake or malnutrition contributes to muscle decline. However, supplementation should be selected according to clinical need rather than the assumption that additional protein or amino acids will benefit everyone.

Research from Viet Nam, including studies at the National Geriatric Hospital, Military Hospital 354, and the community-based intervention in Can Gio, provides valuable information about different patient populations and healthcare settings.

These studies also highlight the need for consistent diagnostic methods, stronger research designs, and longer follow-up before broad conclusions about effectiveness can be made.

For healthcare professionals, the central task is to recognize muscle impairment accurately, understand its possible causes, select suitable interventions, and evaluate whether patients are achieving meaningful improvements.

Lifestyle Medicine can contribute when resistance training and nutritional care are integrated with appropriate medical assessment, rehabilitation, and follow-up.

The goal is not simply to increase muscle mass. It is to help people maintain strength, improve physical function, recover from illness, and preserve the independence needed to participate in everyday life.

For Viet Nam, developing this approach requires reliable professional knowledge, locally relevant evidence, and practical collaboration across healthcare disciplines.

Selected References

1. Chen LK, Hsiao FY, Akishita M, et al. A Focus Shift From Sarcopenia to Muscle Health in the Asian Working Group for Sarcopenia 2025 Consensus Update. Nature Aging. 2025;5:2164–2175. Published November 4, 2025. DOI: 10.1038/s43587-025-01004-y.

2. Chen LK, Woo J, Assantachai P, et al. Asian Working Group for Sarcopenia: 2019 Consensus Update on Sarcopenia Diagnosis and Treatment. Journal of the American Medical Directors Association. 2020;21(3):300–307.e2. DOI: 10.1016/j.jamda.2019.12.012.

3. Yan R, Chen Y, Zhang R, et al. Optimal Resistance Training Prescriptions to Improve Muscle Strength, Physical Function, and Muscle Mass in Older Adults Diagnosed With Sarcopenia: A Systematic Review and Meta-Analysis. Aging Clinical and Experimental Research. 2025;37:320. DOI: 10.1007/s40520-025-03235-w.

4. Tan Z, Jiang Y, Candow DG, et al. Optimizing Prescription of Resistance Training for Body Composition, Muscle Strength, and Physical Performance in Older Adults With Sarcopenia: A Systematic Review and Meta-Analysis. European Review of Aging and Physical Activity. 2026;23:8. DOI: 10.1186/s11556-025-00399-2.

5. Huang Q, Zhu J, Chen C, et al. Credibility and Strength of Evidence for Exercise, Nutritional, and Combined Interventions on Muscle Function and Physical Performance in Older Adults: An Umbrella Review of Meta-Analyses of Randomized Controlled Trials. BMC Geriatrics. Published October 13, 2026. DOI: 10.1186/s12877-026-08393-8.

6. World Health Organization. Integrated Care for Older People: Guidance for Person-Centred Assessment and Pathways in Primary Care. Second edition. Geneva: World Health Organization; September 22, 2025. ISBN: 978-92-4-010372-6.

7. Xie C, Yan R, Tao R. Combined Resistance Training and Amino Acid-Based Supplementation for Sarcopenia in Older Adults: A Systematic Review and Meta-Analysis. BMC Musculoskeletal Disorders. 2026;27:35. DOI: 10.1186/s12891-025-09436-8.

8. Barazzoni R, Ballesteros MD, Bischoff SC, et al. Sarcopenic Obesity: Call to Action and Nutritional Agenda From the International Clinical Nutrition Community. Clinical Nutrition. 2026;61:106645. DOI: 10.1016/j.clnu.2026.106645.

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13. National Assembly of Viet Nam. Law on Medical Examination and Treatment No. 15/2023/QH15. January 9, 2023. Effective January 1, 2024, as amended.

14. National Assembly of Viet Nam. Law on Personal Data Protection No. 91/2025/QH15. June 26, 2025. Effective January 1, 2026.

15. Government of Viet Nam. Decree No. 356/2025/NĐ-CP Detailing Certain Articles and Measures for Implementing the Law on Personal Data Protection. December 31, 2025. Effective January 1, 2026.

Editorial and Professional Scope Note

This article presents the professional perspective of the Vietnam Lifestyle Medicine Alliance on the contribution and limitations of evidence-based Lifestyle Medicine in sarcopenia care, including muscle assessment, resistance training, nutritional support, and functional health. It reflects scientific and regulatory information reviewed as of October 30, 2026.

The article is intended for professional information, education, and scientific knowledge exchange. It does not constitute an official clinical practice guideline, individualized medical advice, a diagnostic assessment, an exercise prescription, a nutritional treatment plan, a supplement recommendation, or an authoritative interpretation of Vietnamese law. The introductory scenarios are illustrative and do not describe actual VLMA clinical activities.

The Asian Working Group for Sarcopenia 2025 consensus provides international expert recommendations that must be interpreted according to their intended populations, diagnostic criteria, measurement methods, and clinical context. These recommendations do not automatically become binding Vietnamese clinical standards.

Muscle weakness and functional decline may have multiple causes. Lifestyle-related interventions must not delay or replace appropriate medical assessment, treatment of underlying conditions, or necessary clinical rehabilitation.

Resistance training, nutritional interventions, supplementation, diagnostic investigations, and specialist referral require individualized professional assessment when clinically indicated.

VLMA is a physician-led professional platform operated by Vietnam Lifestyle Medicine Alliance Company Limited. It is not a licensed medical examination or treatment facility, rehabilitation service provider, medical licensing authority, or healthcare accreditation organization. VLMA does not independently diagnose sarcopenia, prescribe clinical exercise or nutritional treatment, conduct individualized rehabilitation, or provide medical follow-up.

Clinical assessment, diagnosis, treatment, and rehabilitation must remain under the responsibility of appropriately qualified and authorized healthcare professionals and facilities acting within their lawful scopes of practice.

Patient information must be managed in accordance with applicable confidentiality, informed consent, and personal data protection requirements.

This article does not endorse any specific commercial protein supplement, amino acid product, exercise equipment, digital application, or healthcare provider. References to scientific studies and international recommendations do not imply that VLMA has formally adopted, clinically implemented, evaluated, validated, or certified any sarcopenia treatment or Lifestyle Medicine program discussed in this article.