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 ...

Plyometric training taps into your body’s natural stretch-shortening cycle to build explosive power, speed, and agility. From vertical jumps to box jumps, these movements challenge your muscles to ...

Concentric exercises have the ability to increase the strength of your muscles, but you run the risk of injury when doing these training exercises. There are many type of concentric exercises, all of ...

Dear Dr. Donohue: Will you please explain what eccentric contractions mean? I hear it’s the best and fastest way to gain muscle size. — J.J. Dear J.J.: There are two kinds of muscle contractions — ...