Learn why pickle juice is the athletes drink of choice for cramps, how it works, and whether it could also relieve menstrual cramps.

A concentric contraction is a type of muscle activation that causes tension on your muscle as it shortens. As your muscle shortens, it generates enough force to move an object. This is the most ...

The flow of water within a muscle fiber may dictate how quickly muscle can contract, according to a new study. The flow of water within a muscle fiber may dictate how quickly muscle can contract, ...

Pelvic floor muscle contractions activate the frontal cortex of the brain, which is responsible for the "voluntary urinary inhibition reflex" -- thus improving conscious control of bladder function.

A viral video of dead fish swimming is given a scientific explanation. After death, the spinal cord and nerves can still trigger muscle contractions briefly. Muscles retain stored energy (ATP) that ...