Building muscle depends on several factors and isn't something that'll happen overnight after just one workout.

When I was trained as an American physician, I was never exposed to the concept of muscle strength testing that is utilized as part of the pseudo-scientific field of applied kinesiology (AK). To be ...

Americanmusclecars are loud, inefficient, and historically have only been good at one thing: rippin' it in a straight line. We love them for that and wouldn't have it any other way. Over the decades, ...

Building your fast-twitch muscle fibers can help you get stronger and faster. This type of muscle fiber is responsible for the fast, explosive movements used in activities like sprinting, jumping, and ...

A muscle strain is when you damage a muscle or the tendons attached to it. (Photo credit: PhotoAlto Agency RF Collections/Getty Images) A muscle strain is an injury that happens when you overstretch ...

Human movement is reciprocal in nature: Opposing muscle groups must coordinate for proper movement. Muscle length and strength between opposing muscle groups need to be in balance for normal movement ...

Amyotrophic lateral sclerosis (ALS) is a progressive disease of the nervous system. It affects nerve cells in the brain and spinal cord called motor neurons. Motor neurons control muscle movement and ...

In results of a study of 130 patients scheduled to undergo arthroscopic rotator cuff tear repair surgery, the supine Napoleon test was superior to the lift-off, bear-hug and Napoleon tests when used ...