Eccentric training for muscle preservation in aging

Older adults can achieve substantial strength gains with lower cardiorespiratory cost using eccentric-focused training.

Why it works

Eccentric contractions require less oxygen and produce less cardiovascular stress than concentric work at equivalent force output — because energy is partly absorbed rather than generated. This makes eccentric-focused training uniquely suitable for older adults or deconditioned individuals who struggle with the cardiovascular demands of standard resistance training while still needing the mechanical stimulus to counter sarcopenia.

How to do it

1. Use a leg press or machine movement where you can have a partner or the weight stack assist the concentric but perform the lowering alone.
2. Focus on taking 4 seconds to lower the load; the press back can be assisted.
3. Train twice weekly; even a single-set eccentric stimulus per exercise can drive adaptation.
4. Consult a clinician or exercise physiologist before starting if you have cardiovascular conditions.

Evidence

Studies comparing eccentric and concentric training in older adults find comparable or superior strength gains from eccentric with lower cardiovascular load, supporting it as an efficient anti-sarcopenia strategy. A 2022 systematic review with meta-analysis by Čretnik et al. pooled the older-adult trials specifically and found eccentric training at least matched traditional resistance exercise for strength, body composition, and functional performance. (rct)

Study populations vary widely. Not all older adults are the same; supervision and individualized load selection are important. This is not medical advice.

Sources

• Čretnik K, Pleša J, Kozinc Ž, Löfler S, Šarabon N (2022). "The Effect of Eccentric vs. Traditional Resistance Exercise on Muscle Strength, Body Composition, and Functional Performance in Older Adults: A Systematic Review With Meta-Analysis." Frontiers in Sports and Active Living, 4, 873718.

Common mistake

Assuming the elderly cannot tolerate eccentric load and avoiding it entirely, when done carefully it is specifically lower-risk cardiovascularly while being highly effective for muscle.