A concentric contraction is a type of muscle activation that causes tension on your muscle as it shortens. As your muscle shortens, it generates enough force to move an object. This is the most ...

Muscles and nerve fibers allow a person to move their body and enable the internal organs to function. There are more than 600 muscles in the human body. People also have different types of muscle. A ...

The lunge is a popular, versatile exercise for strengthening the lower body. It works many muscles in one move and offers numerous benefits. Varying your technique emphasizes different muscles or ...