Strong Is the Goal: Why Strength Training Matters More as You Age

By Dr. Jackson Sobbing, DO, FACOG — OB/GYN and founder of Agape Life Sciences

Strong is the goal—not skinny.

For too long, conversations about healthy aging have centered on pounds lost, clothing sizes, and BMI. Those numbers leave an important question unanswered: What can your body do?

Can you rise from a chair, carry groceries, climb stairs, or lift a grandchild? Can you keep doing the things that make life meaningful?

Strength deserves a place in that conversation. Large studies consistently associate greater strength with lower mortality, while exercise trials show that strength is something we can improve. The practical goal is to build and preserve the physical capacity that supports independence.

What the largest studies tell us

Nearly two million adults: stronger people had lower mortality

A 2018 meta-analysis combined 38 studies involving 1,907,580 adults. Higher handgrip strength was associated with a 31% lower hazard of death during follow-up compared with lower strength (HR 0.69; 95% CI 0.64–0.74). Greater knee-extension strength was associated with a 14% lower hazard (HR 0.86). [1]

These are relative associations, not absolute risk reductions or a promise that increasing your grip strength will extend life by a particular amount. Illness can cause weakness, and stronger people may differ in other ways. Nevertheless, the consistency makes strength an important health marker.

About half a million adults: strength also tracked cardiovascular outcomes

A UK Biobank study of approximately 500,000 adults found that each 5-kilogram lower grip strength was associated with about 16% higher all-cause mortality in men and 20% in women. Cardiovascular mortality was also higher—approximately 22% in men and 19% in women. Associations remained after adjustment for several established risk factors. [2]

The international PURE study, involving approximately 140,000 adults across 17 countries, similarly associated lower grip strength with higher all-cause and cardiovascular mortality. [3]

Handgrip testing is useful because it is simple and reproducible. It is a marker of broader health and strength; squeezing a grip trainer alone is not a substitute for training the whole body.

New in 2026: strength mattered in women well into later life

A JAMA Network Open study followed 5,472 women aged 63–99 years. In models adjusting for clinical factors, physical activity, and sedentary time, women in the highest grip-strength quartile had approximately 33% lower mortality hazard than those in the lowest. Faster chair stands were also associated with lower mortality. [4]

Additional adjustments modestly changed the estimates but preserved the overall association. This is especially relevant to midlife and older women: strength deserves attention alongside aerobic activity and cardiovascular risk-factor management.

Muscle mass matters—but function tells another part of the story

Muscle mass is the amount of muscle you have. Strength is the force you can produce. Power is how quickly you can produce it.

They are related, but they are not interchangeable.

In an NHANES analysis of adults aged 50 and older, low strength was associated with higher mortality whether or not low muscle mass was also present. [5] That finding helps explain why a body-composition scan should not be the only way we judge progress.

Strength depends on muscle size, but also on nervous-system recruitment, coordination, and the muscle’s ability to generate force. Resistance training can improve these qualities. [6]

If you can lift more with good technique, perform a previously difficult chair rise, or climb stairs more confidently, those are meaningful improvements—even when the scale barely changes.

For a broader discussion, read Muscle: The Longevity Organ.

It is time to move beyond BMI alone

BMI relates weight to height. It does not directly measure muscle mass, strength, or physical function.

That does not make body weight irrelevant. It means a single number cannot describe an individual’s health.

A better conversation includes body composition when appropriate, waist circumference, blood pressure, metabolic health, activity, and the ability to perform everyday tasks.

When weight loss is appropriate, the plan should also protect strength and function. A smaller body is not automatically a more capable body.

Strong is the goal. Health is the goal. Independence is the goal.

Why it matters to lift heavy things

Your muscles adapt to the demands you place on them. Progressive resistance training gives them a reason to become stronger.

Walking is valuable, but it does not provide the same training stimulus as progressively challenging resistance exercise.

The 2026 American College of Sports Medicine position stand, drawing on 137 systematic reviews, found that heavier loads—around 80% or more of one-repetition maximum—favored maximal strength gains. It also emphasized training at least twice weekly and using multiple sets. Lighter resistance, bands, and body-weight exercises can still provide substantial benefits. [7]

This is why “lift heavy things” belongs in a healthy-aging plan. The goal is to gradually increase your capacity to handle load.

A randomized trial found benefits years later

The LISA trial randomized 451 adults around retirement age to a year of heavy resistance training, moderate-intensity training, or a control condition. At the four-year assessment, 369 participants returned. The heavy-training group had maintained baseline isometric leg strength, while the other groups declined. [8]

This was four years from the start of the study, or three years after the supervised training year ended. It did not show that every strength or power measure was preserved, or that one year of exercise eliminates the need for ongoing training. It does provide evidence that investing in strength can have lasting benefits.

Heavy is relative to you

A challenging chair rise may be the right starting load for one person. Another may need dumbbells, a leg-press machine, or a barbell.

You do not need to test a maximum lift to begin. Start with a manageable resistance, learn the movement, and progress. The final repetitions should require effort while remaining controlled.

Heavy lifting should be earned through practice and progression.

A practical plan: strength train two to three times a week

For many adults, two or three full-body sessions on nonconsecutive days are a useful starting structure. For example, train Monday and Thursday, or Monday, Wednesday, and Friday. This fits older-adult resistance-training recommendations. [6]

Build sessions around movements that train major muscle groups and resemble the demands of daily life.

Suggested starting session: Choose one squat, hinge, push, pull, and step movement, then finish with a short carry. Begin with one or two sets of roughly 8–12 controlled repetitions; use fewer exercises if needed to establish consistency. Work toward two or three sets as tolerated. This is an example, not a prescription for every health condition.

Rest enough between sets to perform the next one well—often around two minutes for demanding movements. When the top of your repetition range becomes comfortably repeatable with good form, increase resistance a little. Keep a record of the weight, repetitions, and how difficult the set felt. [6]

A useful practical cue is to stop while you could still perform about two more good repetitions. Training to complete failure is not required for results. [7]

Frailty, significant balance limitations, severe joint disease, or a history of vertebral fracture may call for a modified program and professional supervision. Avoid breath-holding; ask your clinician about training modifications if you have a condition that affects safe exertion.

Strength is important. So is power.

Power helps you rise promptly or react when you lose balance. It requires producing force quickly.

Once basic movements are comfortable, an appropriately supervised program can include standing from a chair briskly and lowering slowly, or performing the lifting phase of a light-to-moderate resistance exercise with faster intent. Maintain control throughout.

Power training can improve physical function; it uses different loads and movement speeds than maximal-strength work. [7] You do not need jumping or complicated Olympic lifts to begin developing this quality.

What the recent GeroScience creatine-and-HMB study actually found

A randomized, double-blind crossover trial in GeroScience studied 30 physically active adults aged 60 or older. Participants received 3 grams of creatine monohydrate plus 3 grams of HMB daily, or placebo, during two six-week periods. Both conditions included four supervised exercise sessions weekly. [9]

The combination improved several strength and muscular-endurance measures. Analyses suggested these improvements were largely independent of muscle-mass changes.

The accurate takeaway is that strength improved without significant muscle-mass gains—not that the trial proved strength was preserved during confirmed muscle loss. Muscle-mass changes within each condition were not statistically significant.

The trial was small and short, used bioelectrical impedance, and had no single-ingredient arms. It cannot establish synergy or longer life.

It supports an encouraging possibility: functional improvement may occur even when measurable muscle growth is limited.

Where supplementation fits

Resistance training, adequate nutrition, and recovery remain the foundation.

An August 2026 meta-analysis of 11 randomized trials found a small additional strength benefit from creatine combined with resistance training in generally healthy older adults. Additional benefits for muscle mass and physical function were uncertain. [10]

HMB is a leucine metabolite studied for muscle preservation and recovery. Its results vary across populations and studies: a 2025 comparative meta-analysis did not find significant additional strength or mass benefits from HMB alongside resistance training in healthy older adults. [11] The promising combination trial does not resolve every question.

Include adequate protein and energy in your eating plan, and consider supplements as adjuncts to training rather than replacements. Learn more about the training-and-nutrition foundation in Anabolic Resistance and Aging.

As the founder of Agape Life Sciences, I have a commercial interest in supplements containing these ingredients. Readers should judge the evidence independently; the cited combination trial did not test Agape Renewal.

Build capacity for the life you want to keep living

Healthy aging deserves goals beyond a lower number on the scale.

Choose two or three days each week to practice lifting, pushing, pulling, stepping, and carrying. Begin where you are. Add challenge as you become more capable. Track progress in what you can do.

Strength training is an investment in the everyday abilities you want to preserve.

Strong is the goal—not skinny.

Medical disclaimer: This article provides general education and does not replace individualized medical advice. Exercise and supplement plans should reflect your health conditions, medications, and functional abilities.

References

1. García-Hermoso A, et al. Muscular strength and all-cause mortality: meta-analysis of approximately two million adults. Archives of Physical Medicine and Rehabilitation. 2018. PubMed.
2. Celis-Morales CA, et al. Grip strength and health outcomes in UK Biobank. BMJ. 2018;361:k1651. Article.
3. Leong DP, et al. Prognostic value of grip strength: PURE study. The Lancet. 2015. PubMed.
4. Muscular Strength and Mortality in Women Aged 63 to 99 Years. JAMA Network Open. 2026;9(2):e2559367. Article.
5. Li R, et al. Associations of muscle mass and strength with all-cause mortality among US older adults. Medicine & Science in Sports & Exercise. 2018. Full text.
6. Fragala MS, et al. Resistance training for older adults: NSCA position statement. Journal of Strength and Conditioning Research. 2019. PubMed.
7. Currier BS, et al. ACSM position stand: resistance training prescription for muscle function, hypertrophy, and physical performance. Medicine & Science in Sports & Exercise. 2026;58:851–872. PubMed.
8. Bloch-Ibenfeldt M, et al. Heavy resistance training at retirement age: four-year follow-up of an RCT. BMJ Open Sport & Exercise Medicine. 2024;10:e001899. Article.
9. Ramos-Hernández R, et al. Combined creatine and HMB co-supplementation improves functional strength independent of muscle mass in physically active older adults. GeroScience. Online October 10, 2025; 2026;48:4457–4475. Article.
10. Yao L, Yang D, Gao J. Creatine plus resistance training in older adults: systematic review and three-level meta-analysis. Frontiers in Nutrition. August 25, 2026. PubMed.
11. The impact of nutritional intervention and resistance training on muscle strength and mass in healthy older adults—a comparative analysis. 2025. PubMed.