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 ...

The contraction of smooth muscle is an essential process underpinning diverse physiological functions ranging from gastrointestinal motility to vascular regulation. At its core, smooth muscle ...

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 — ...

What Are Eccentric and Concentric Contractions? Eccentric contractions occur when a muscle lengthens under load, such as lowering a dumbbell during a biceps curl. Concentric contractions happen when ...

The origin is the end of a muscle which is attached to a fixed bone. The insertion is the other end of the muscle that is attached to the bone which moves. Muscular contractions are defined as the ...