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 ...

Chronic muscle loss doesn't simply make a person physically weaker. Among other things, it increases the risk of serious falls … and even death. A new urine test, however, could allow it 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 ...

Genetic testing can confirm a muscular dystrophy (MD) diagnosis when symptoms and other tests already suggest MD. It also identifies specific gene mutations that can guide targeted treatment. Genetic ...

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 ...

Lifting too heavy weighcan lead to injury and too light can delay progress. Learn how to test whether you're using the right dumbbell weight with this assessment.

Fast-twitch fibers help with explosive movements like sprinting and weight lifting. Genetics and training influence the distribution of fast-twitch and slow-twitch muscle fibers. Doing strength ...