Strength Training After 80: The Best Proven Results From 8 Studies
I have, and still do, coach and train Men and Women in their eighties. It always begins with the 1st phase, which is core stabilization. This approach helps them understand what it is and why it increases their ability to do more. In this phase, flexibility through stretching and static holds i.e., modified planks, side-lying, lateral leg lifts, etc. over a 4-week period increases their flexibility. It also works as an assessment. It just so happens that I have the relatability asset working for both of us. I am a 73 year old endurance athlete. Gaining the trust and ultimately a friendship, is more rewarding than the monetary compensation…far more rewarding.
Strength training after 80 works: men in their 80s and even 90s get stronger when they lift, and the research on this is older and more solid than most people realize. In the best-known trial, frail nursing home residents with an average age of 87 raised their muscle strength by 113 percent in 10 weeks, while a comparison group barely changed. A 2020 meta-analysis of 22 randomized trials in adults 75 and older, including a subgroup aged 80 and up, found that resistance training improves strength in the very old, with minimal adverse events reported.
The catch is just as clear: the gains fade fast when training stops, and most trials are small. This post walks through what the studies found, what they did not, and what a sensible program looks like for a man in his late 80s.
Four sources carry most of the weight, and they point the same way.
The Landmark Studies
| Study | Participants | Program | Main results |
|---|---|---|---|
| Fiatarone et al., JAMA, 1990 | 10 frail nursing home residents, average age 90 (up to 96); 9 finished | 8 weeks of high-intensity resistance training | Strength up 174 percent on average, mid-thigh muscle area up 9.0 percent, tandem gait speed up 48 percent |
| Fiatarone et al., NEJM, 1994 | 100 frail nursing home residents, average age 87.1 (range 72 to 98); 63 women, 37 men | 10 weeks of resistance exercise, with or without a multinutrient supplement, against controls | Strength up 113 percent in exercisers versus 3 percent in non-exercisers; gait speed up 11.8 percent versus down 1.0 percent; stair-climbing power up 28.4 percent versus 3.6 percent |
| Kalapotharakos et al., 2010 | 22 men over 80 (ages 80 to 88) | 8 weeks, twice weekly, upper and lower body, with a detraining arm | Strength up 25 to 55 percent, functional tests up 15 to 25 percent; controls unchanged |
| Grgic et al., Sports Medicine, 2020 | 22 randomized trials in adults 75 and older | Meta-analysis | Strength effect size 0.97; 1.28 in the 80-and-older subgroup; whole-muscle growth 0.30 |
The 1994 trial is the one closest to a typical 87-year-old man, since its average participant was 87.1 and more than a third were men. It also tested a nutrition supplement, which did not improve strength or frailty on its own. The Kalapotharakos study is the cleanest look at men alone, though with only 22 participants.
Strength, function, and falls
In strength training after 80, strength responds the most. The percentage gains in the nursing home trials look enormous partly because the starting point was so low, so read them as a sign of how much room these men had to improve, not as a promise. Function improves too, but by smaller margins: gait speed rose 11.8 percent in the 1994 trial and 48 percent in the very small 1990 group, and Kalapotharakos found 15 to 25 percent gains on walking, chair-rise, and Timed Up and Go tests.
Muscle size changes in strength training after 80 are more modest. Thigh muscle area rose 2.7 percent in the 1994 trial, which was not statistically significant, and 9.0 percent in the 1990 study. The 2020 meta-analysis found a whole-muscle growth effect of 0.30, against 0.97 for strength, and no significant change in handgrip strength or muscle fiber size. In other words, men in their late 80s mostly gain strength and function more than visible muscle.
On falls, the evidence is indirect. The NSCA position statement notes that programs combining strength, balance, and gait training tend to give the best results for function and fall reduction in frail and very old adults, so lifting works best as only one part of a broader program.
Muscle mass, protein, and a long-term lifter
Older muscle responds less to a given dose of protein, a problem called anabolic resistance, and resistance exercise helps overcome it. The best dose-response data I found came from 48 healthy older men averaging 66 years, not men in their 80s. After a lifting session, those who took 30 g of milk protein or more showed higher rates of muscle protein synthesis than those who took none, though the 30 g result was only borderline significant and 45 g was clearly higher. Treat that as a reasonable target for post-workout protein in strength training after 80, with the caveat that it was studied in a younger group than this post is about. For more on daily needs, see my post on protein requirements for active seniors.
The 1994 trial adds a practical note about strength training after 80. A multinutrient drink did not improve strength or frailty on its own, and it raised total energy intake only in the men and women who were also exercising. Supplements do not substitute for training.
For a look at what decades of lifting can leave behind, a 2021 case report in the journal Medicina described an 87-year-old man who started bodybuilding at 76 and competed until 83. His fat-free mass index sat at the 90th percentile, against the 5th for two untrained men aged 82 and 87, and his body fat was 9.3 percent versus 33.1 and 37.6 percent. His leg press maximum was 13.6 to 35.6 percent higher, and his chest press maximum 38.4 to 55.8 percent higher. It is a single man compared with two retrospectively chosen peers, so it cannot prove training caused the difference.
It also carries a reminder that lifting is not a cure-all: he had osteoporosis at the femoral neck (T-score of minus 3.1), so bone health still needs its own attention.
Detraining and safety in strength training after 80
Strength training after 80 follows a use-it-or-lose-it rule. In the Kalapotharakos study, men who stopped training for 6 weeks lost much of their gains in strength and function, while those who kept training kept improving in strength and walking distance through week 14. For a man in his late 80s, consistency matters more than any single clever session.
On safety, the picture for strength training after 80 is reassuring but imperfect. The 2020 meta-analysis reported minimal adverse events. A broader review of 121 resistance training trials in adults 60 and older (about 6,700 participants) found that most trials reported adverse events poorly: 53 said nothing, 25 reported none, and 43 reported some, mostly muscle strains and joint pain. Problems showed up more often in people with health conditions or limited function and in high-intensity programs, and the authors suspect underreporting. The practical lesson is to get medical clearance, start light, and progress gradually under supervision when possible.
What a program for strength training after 80 looks like
The National Strength and Conditioning Association’s 2019 position statement on older adults gives separate guidance for healthy older adults and for frail or very old adults:
| Variable | Frail or very old adults | Healthy older adults |
|---|---|---|
| Sessions per week | About 3 | 2 to 3, non-consecutive days |
| Sets and reps | 3 sets of 8 to 12 | 2 to 3 sets of about 6 to 12 |
| Starting load | About 20 to 30 percent of one-rep max, building toward about 80 percent as tolerated | About 70 to 85 percent of one-rep max, stopping short of failure |
| Exercises | Body-weight familiarization first, then machines, bands, or seated options | 8 to 10 exercises, 1 to 2 multijoint movements per major muscle group |
| Add-ons | Balance and gait training | Power work at 40 to 60 percent of one-rep max, aerobic training 2 to 3 times a week |
A session of 30 to 60 minutes with 1.5 to 3 minutes of rest between sets fits the healthy-adult guidance. The statement also recommends medical screening first, avoiding training to failure with uncontrolled high blood pressure, and avoiding high-intensity work (80 to 100 percent of one-rep max) with active proliferative retinopathy.
Start well below the levels outlined above. The Phase 1 program described in my opening includes an assessment to ensure adequate core strength before progressing to Phase 2 (strength endurance). Work with a professional experienced in strength and conditioning for adults over 65. Use machines or seated options, and make balance training and walking integral to the plan. Every group class I lead at YMCAs in St. Petersburg, Florida, includes 10 minutes of balance work that also trains the core. The research shows that strength can improve. The goal is to help each person stay upright and keep coming back. Consistency sustains the gains.
Stay capable, be positive (B positive, like my blood type), and remember: “If you’re not laughing, you’re not living.”
NB: This post is general information, not medical advice, so check with their physician before starting.
Sources
- Fiatarone MA, Marks EC, Ryan ND, et al. High-intensity strength training in nonagenarians. Effects on skeletal muscle. JAMA. 1990;263(22):3029-3034.
- Fiatarone MA, O’Neill EF, Ryan ND, et al. Exercise training and nutritional supplementation for physical frailty in very elderly people. N Engl J Med. 1994;330(25):1769-1775.
- Kalapotharakos VI, Diamantopoulos K, Tokmakidis SP. Effects of resistance training and detraining on muscle strength and functional performance of older adults aged 80 to 88 years. Aging Clin Exp Res. 2010;22(2):134-140.
- Grgic J, Garofolini A, Orazem J, et al. Effects of resistance training on muscle size and strength in very elderly adults: a systematic review and meta-analysis of randomized controlled trials. Sports Med. 2020;50(11):1983-1999.
- Liu CJ, Latham N. Adverse events reported in progressive resistance strength training trials in older adults: 2 sides of a coin. Arch Phys Med Rehabil. 2010;91(9):1471-1473.
- Hackett DA, Mitchell L, Wilson GC, et al. A case study of an 87-year-old male bodybuilder with complex health conditions. Medicina. 2021.
- Holwerda AM, Paulussen KJM, Overkamp M, et al. Dose-dependent increases in whole-body net protein balance and dietary protein-derived amino acid incorporation into myofibrillar protein during recovery from resistance exercise in older men. J Nutr. 2019;149(2):221-230.
- NSCA. Resistance training for older adults: position statement. J Strength Cond Res. 2019.
