The misconception that muscle can be lean or bulky lies in its appearance. “When people (say ‘lean’), they’re usually ...

Scientists have discovered a gene, activated by exercise, which is responsible for building muscle strength. The find also opens the possibility of treatments that offer some of the health benefits ...

A new American Heart Association scientific statement focuses on treatment strategies for pediatric cardiomyopathy (diseases of the heart muscle’s structure and function that may lead to heart failure ...

If your fitness goal is to up the ante on endurance, pack more power into your sprint, or supercharge your strength gains in the gym, it’s worth exploring – what are the different muscle fiber types?

Biological muscles act as flexible actuators, generating force naturally and with an impressive range of motion. Unsurprisingly, scientists and engineers have been striving to build artificial muscles ...

Muscle contraction is the tightening, shortening, or lengthening of muscles when you do some activity. It can happen when you hold or pick up something, or when you stretch or exercise with weights.