Credit: Shutterstock A naturally occurring compound in rice bran may play an unexpected role in regulating intestinal movement. A team of scientists led by Dr. Keisuke Obara, Dr. Kento Yoshioka, and ...

The ability to modify the intracellular concentrations of divalent calcium ions is vital to normal cell functioning. In the cells of the cardiac muscle, calcium ions play a crucial role in coupling ...

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 ...

Muscle contraction is the tightening, shortening, or lengthening of muscles when you do some activity. It can happen when you hold or pick up something, or when you stretch or exercise with weights.

Correspondence to: Professor Martin Schwellnus University of Cape Town, UCT/MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, ...