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 ...

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 ...

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 ...

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 ...

A muscle biopsy is a procedure that removes a small sample of tissue for testing in a laboratory. The test can help your doctor see if you have an infection or disease in your muscles. A muscle biopsy ...

Electromyography (EMG) is a diagnostic test that measures how well the muscles respond to the electrical signals emitted to specialized nerve cells called motor nerves. EMG tests are safe and pose ...

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 ...

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 ...