You walk into the gym at 64 and load the leg press to a respectable weight. Two seconds up, two seconds down. Same tempo you used at 35. The plates move smoothly. The set feels productive. You walk out, drive home, and 40 minutes later struggle for a moment to push yourself up off a low sofa.
The slow lift built strength. The slow lift did not build the one quality your sofa, your stairs, and your kerb demand: force produced quickly, also known as muscle power. After 60, power declines roughly twice as fast as raw strength, and it is the better predictor of who falls, who stays independent, and who keeps doing the things they want to do.
Two recent meta-analyses pooling 35 randomised trials and around 1,100 community-living adults aged 60+ agree on one finding. Lifting the same weight with intent to drive it up fast, while keeping the lowering slow and controlled, improves everyday function more than lifting slowly through both phases. The change is low-cost, low risk, and uses the same machines and the same weights you already use.
Why power, not strength, decides whether you get out of the chair
Strength is the force you produce. Power is force times speed, the force you produce in a hurry. Older adults lose both, but they do not lose them at the same rate.
Across longitudinal cohorts of healthy older adults reviewed by Reid and Fielding in 2012, lower-limb power drops roughly 2.5 to 3.5 percent per year after 65, while leg strength drops closer to 1 to 2 percent per year. The gap matters because almost every fall-saving movement (catching a stumble, stepping off a kerb in time, getting up out of a chair quickly) is a power task, not a strength task. Sitting still and pushing the leg press at 60 percent of your one-rep max is a strength task. Driving up off a low chair without using your arms is a power task.
The mechanism sits in the muscle fibres. In the Reid and Fielding 2012 review, type 2 fast-twitch fibres shrank and dropped out faster than type 1 slow-twitch fibres with age. Type 2 fibres handle force production at high speed. Train them with intent to move fast, and you slow the decline. Train them only with slow, controlled lifts, and you keep the type 1 fibres busy while the type 2 fibres keep fading.
The 2020 World Health Organization physical activity guidelines tell adults over 65 to do muscle-strengthening on 2 or more days a week, plus multicomponent training emphasising functional balance and strength on 3 or more days for fall prevention. The guidelines do not specify how fast to move the weight on each rep. The recent meta-analyses fill in the missing piece.
What the two meta-analyses found
The most rigorous comparison comes from Balachandran and colleagues, whose paper appeared in JAMA Network Open in 2022. The team pooled 20 randomised trials of 566 community-living adults with a mean age of 70 and excluded any trial where the power group did standing exercises while the strength group did seated ones, or any trial where the power group did jumping exercises (which would confuse power training with plyometrics).
The result on the primary outcome, physical function, was a standardised mean difference of 0.30 (95 percent confidence interval 0.05 to 0.54) favouring power, across the 13 trials reporting physical function. Back-transformed to real-world units, the Get-Up-and-Go test improved by 0.62 seconds and the chair-stand test by about half a repetition. Lower-body power itself improved with a standardised mean difference of 0.44 (95 percent confidence interval 0.21 to 0.66). Raw strength, muscle mass and gait speed did not differ between groups. In the Balachandran trials, adverse events were rare and similar between fast and slow lifters at roughly 3 versus 2 per 1,000 person-sessions.
The independent confirmation came from el Hadouchi and colleagues, with their paper appearing in the European Review of Aging and Physical Activity in 2022. Their 15-trial pool of 583 adults aged 65+ found a standardised mean difference of 0.99 (95 percent confidence interval 0.54 to 1.44) for muscle power, 0.43 for activity tests with a speed component, and 0.37 for generic activity tests, all favouring power over strength training.
Two independent reviews, using different inclusion rules and different databases, both found a benefit of fast-intent lifting on the outcomes older adults care about (chair stands, stair climbs, Get-Up-and-Go) with no extra risk and no extra equipment.
Slow is not safer
The instinct to lift slowly past 60 assumes fast lifting is risky. The Balachandran trials disagree. Adherence to fast-intent lifting was around 82 percent, the same as slow lifting. Adverse events were rare in both arms and similar between groups. No serious adverse events were reported in either arm across the 20 pooled trials.
The fast cue applies only to the lifting phase. The lowering phase stays slow and controlled, typically 2 to 3 seconds, because uncontrolled eccentrics raise injury risk without improving outcomes. This is not Olympic lifting, not plyometric jumping, not bouncing a bar off the floor. The set looks the same as before: same machine, same weight, same number of reps, with one cue added: drive the weight up as fast as you reasonably manage on the concentric, then lower for the count of two or three.
A 12-week power-training plan
The trials in both meta-analyses ran for a median of 12 weeks at 2 sessions per week, using 3 sets of 8 to 10 repetitions at approximately 40 to 70 percent of one-rep max. The plan below mirrors those numbers. It uses standard gym machines or dumbbells. No special kit is needed.
Five common mistakes
Loading too heavy. The trials averaged roughly 40 to 70 percent of one-rep max. Above 80 percent the bar slows regardless of intent, and the power stimulus fades. Stay in the moderate-load range.
Dropping the weight on the eccentric. Fast down loses muscle stimulus and raises injury risk. Lower for the count of two or three. Eccentric control is part of the protocol, not optional.
Holding your breath. Exhale on the fast lift, inhale on the lower. The Valsalva manoeuvre (breath-holding under load) drives short blood-pressure spikes and is best avoided by older lifters with cardiovascular risk factors.
Skipping the warm-up. Two light sets at slower tempo before the working sets prime the nervous system. Cold starts to fast-intent lifting are where most strains happen.
Stopping after 12 weeks. Power gains fade quickly when fast-intent training stops. Keep at least one fast-intent main lift in your routine year round.
Frequently asked questions
Bottom line
Same machine. Same weight. Faster lift on the way up, controlled lower on the way down. Two meta-analyses pooling 35 randomised trials and over 1,100 adults aged 60+ found this single cue improves chair-stand, stair-climb and Get-Up-and-Go more than slow lifting, without raising injury risk and without needing new kit. After 60, this is one of the cheapest, lowest-risk changes to make to your training.
Sources
- Balachandran AT, Steele J, Angielczyk D, et al. Comparison of Power Training vs Traditional Strength Training on Physical Function in Older Adults: A Systematic Review and Meta-analysis. JAMA Netw Open. 2022, 5(5):e2211623. PubMed 35544136
- el Hadouchi M, Kiers H, de Vries R, Veenhof C, van Dieën J. Effectiveness of power training compared to strength training in older adults: a systematic review and meta-analysis. Eur Rev Aging Phys Act. 2022, vol 19:18. PubMed 35953775
- Bull FC, Al-Ansari SS, Biddle S, et al. World Health Organization 2020 guidelines on physical activity and sedentary behaviour. Br J Sports Med. 2020, 54(24):1451-1462. PubMed 33239350
- Reid KF, Fielding RA. Skeletal muscle power: a critical determinant of physical functioning in older adults. Exerc Sport Sci Rev. 2012, 40(1):4-12. PubMed 22016147