If painful leg cramps have woken you up in the middle of the night, the condition can be both scary and confusing. You may think it’s due to the position you’re sleeping in — but there’s more to know ...

This discovery changes the way scientists think about aging. It suggests that part of what we call age-related weakness may actually be a communication problem between the brain and the muscles. As ...

My wife (age 59) has very poor leg strength. This has been the case for a number of years now, and her deceased mother had similar problems. Walking up a flight of stairs, especially if they are ...

Short-term muscle weakness is common and can be caused by something as simple as a tough workout. However, persistent muscle weakness without apparent cause could indicate an underlying health ...

The brain controls movement by sending electrical messages through nerves to the muscles. When this communication becomes weaker with age, the muscles may not respond with full strength even if they ...

Leg cramps that keep coming back may signal underlying health issues. Here are the causes, warning signs, and when frequent ...

A herniated disc can pinch a nerve, which causes pain, numbness, or weakness in your lower back and legs. Diagnosing a ...

Femoral neuropathy, also called femoral nerve dysfunction, is one possible cause of movement and sensation problems in the legs. Femoral neuropathy occurs when something affects the femoral nerve, ...

Potassium supports nerve function and helps muscles contract, which may prevent leg cramps. Magnesium plays a vital role in muscle contraction, but studies show little benefit for leg cramps. When leg ...