Aging muscles heal more slowly after injury—a frustrating reality familiar to many older adults. A UCLA study conducted in mice reveals an unexpected cause: Stem cells in aged muscle accumulate higher ...

So where does working out come into this? Well, exercise can actually reverse this process to enable efficient muscle repair – as long as the system's cellular puzzle pieces remain responsive.

Eating enough protein is crucial for muscle growth and repair. Muscles need a calorie surplus to grow. Carbohydrates are important for energy during workouts. Muscle growth is an important element of ...

Dorota Skowronska-Krawczyk sits in her office, eyes fixed on the computer monitor in front of her. "You see it move its eye," says the UC Irvine associate professor of physiology and biophysics, ...

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Cristiano Ronaldo is ultimate fitness goals. The soccer superstar made that known when he wore nothing but his underwear in a post-workout photo, exposing all the eye-popping muscles on his body. Not ...

Every workout leaves tiny scars inside your muscles, yet they rarely fail you the next day. Instead, those tissues quietly rebuild themselves, using an internal repair crew that starts working within ...

The repair of functional innervated and vascularized skeletal muscle from severe injuries, such as critical limb ischemia, denervation, and volumetric muscle loss, remains a critical clinical ...