Singer Jesy Nelson has pledged to "fight as much as I can" to get all babies tested for a rare muscle disease at birth, after ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Muscle cramps are sudden, involuntary contractions that occur in various muscles. These contractions are often painful and can affect different muscle groups. Share on Pinterest Muscles affected by ...