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 ...

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.

ABNORMAL, involuntary contractions of the diaphragm are generally quite rapid and unrelated in rate or time of occurrence to the cardiac cycle. Rarely, however, the left leaf of the diaphragm has been ...

Good news for those who struggle to fit a gym workout into their day: you may be able to cut your weights routine in half and still see the same results. New research from Edith Cowan University (ECU) ...

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 ...

Eccentric exercise focuses on movements, or phases of a movement, that lengthen the muscles. Some examples of eccentric exercise include lowering into a squat or lowering into a press-up. In contrast, ...

Diaphragm flutter — also known as diaphragmatic flutter or diaphragmatic myoclonus — is a rare disorder in which your diaphragm experiences repeated involuntary contractions. The diaphragm is a muscle ...

New research by muscles guru Ken Nosaka from Edith Cowan University has found that the eccentric contraction – performed when the muscle is lengthened as when lowering weights – is the most effective ...