5 surprising causes of weak legs in seniors—and how to fix them!
Leg weakness in older adults is often dismissed as “just part of aging.” But while some muscle loss (sarcopenia) is common after 60, sudden, progressive, or unexplained leg weakness is not normal—and it’s often reversible.
Here are 5 surprising—but treatable—causes many seniors (and even doctors) overlook, along with practical steps to regain strength and mobility.
🚩 1. Vitamin D Deficiency
Why it surprises people: You might feel fine otherwise—but low vitamin D directly weakens muscles, especially in the legs.
The science: Vitamin D receptors exist in muscle tissue. Without enough, muscle protein synthesis drops, leading to proximal weakness (hips, thighs)—making stairs or rising from a chair difficult.
How to fix it:
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