Every movement we make, from blinking to sprinting, depends on the ability of muscle fibers to contract in a rapid and ...

The flow of water within a muscle fiber may dictate how quickly muscle can contract, according to a University of Michigan study. Nearly all animals use muscle to move, and it's been known for a long ...

Type IIb fast-twitch myofibers, known for their rapid contraction speed, are plentiful in small mammals but have largely diminished in humans. Researchers at the University of Tsukuba have discovered ...

Muscle function depends on the precise movement of calcium ions between cytosolic and intracellular stores. At rest, cytosolic Ca2+ is maintained at low nanomolar ...