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 ...

Aldolase helps your body turn sugar into energy. Most of it is stored in your muscles and liver. When these cells are damaged, they release aldolase into your blood. Measuring the amount of aldolase ...

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 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 ...

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 ...

The clinical distinction between myopathic and neurogenic disorders of the motor unit is often difficult, since both lesions appear as flaccid, areflexic paralyses, often with variable muscular ...

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 ...