Learning Path · Body
Strength after fifty
Seven steps through how strength is lost and how it comes back — muscle and bone are two faces of one thing.
For: Past fifty, wanting to keep muscle and bone, but unsure which step comes first
Meet the opponent first. Sarcopenia isn't 'you just get weak with age' — it has a specific anabolic-resistance mechanism, and a mechanism means it can be acted on.
- Sarcopenia · The Silent Killer of AgingOpen in the atlas
The anabolic resistance just described decides this step: the same protein meal needs a higher threshold at this age to trigger synthesis at all.
- Protein + liftingOpen in the atlas
But protein alone doesn't build muscle — it needs a signal. The evidence for resistance training at this age is far stronger than most people assume.
- Elderly resistance trainingOpen in the atlas
'Exercised' and 'trained' aren't the same. Progressive overload is the principle that turns activity into a stimulus — and the one most often skipped.
- Progressive OverloadOpen in the atlas
Muscle pulls on bone. See what bone does day to day first — it's living tissue being torn down and rebuilt for life, not a fixed scaffold.
- Bone SystemOpen in the atlas
When teardown outpaces rebuild for long enough, that's osteoporosis. It shares many risk factors with sarcopenia — and shares an intervention too.
- OsteoporosisOpen in the atlas
The counterintuitive last step: at this age the gain doesn't happen during the session, it happens in recovery. Recovery isn't slacking — it's the other half of training.
- Recovery scienceOpen in the atlas