Geriatric Physiotherapy: Why Strength Training Has No Age Limit
How muscles, bones and balance change with age, why falls and frailty are not inevitable, and how rehabilitation keeps older adults independent.
Try 3 questions
1. With aging, how does the loss of muscle strength compare with the loss of muscle mass?
- Both decline at exactly the same rate
- Mass declines faster than strength
- Strength declines faster than mass
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Answer: Strength declines faster than mass
Strength falls two to five times faster than mass, because nerve control and muscle quality decline as well as size.
2. Which muscle fibers are lost most with aging, reducing the power needed to catch a stumble?
- Slow-twitch type I fibers
- Fast-twitch type II fibers
- Smooth muscle fibers
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Answer: Fast-twitch type II fibers
Fast-twitch fibers shrink and are lost preferentially, so the ability to produce quick, forceful movements declines most.
3. When nursing home residents in their nineties did eight weeks of heavy strength training in a classic study, what happened?
- Many suffered serious muscle injuries
- They were too frail to show any gains
- Their strength rose by well over 100%
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Answer: Their strength rose by well over 100%
Frail nonagenarians nearly tripled their leg strength on average and improved walking speed, showing muscle stays trainable at any age.
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