Action potentials, with no accompanying contraction, were recorded from muscle fibers in which the transverse tubular system had been disrupted. The results show that action potentials require an ...

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, ...

The mechanism of skeletal muscle contraction is a process that relies on calcium signaling. However, the physiological role of calcium-induced calcium release (CICR) through the ryanodine receptor ...

Researchers engineered mice with a mutation (E3896A) in the RyR1 calcium-binding site, eliminating calcium-induced calcium release (CICR) without affecting depolarization-induced calcium release. The ...

THE method which was developed for measuring small rapid changes in volume occurring in a muscle during a single twitch 1 has been applied to the case of a frog sartorius muscle immersed in hypertonic ...

Philosophical Transactions: Biological Sciences, Vol. 371, No. 1685, Discussion meeting issue: Homology and convergence in nervous system evolution (5 January 2016), pp. 1-14 (14 pages) Eukaryotic ...

High-intensity interval training strengthens the heart even more than moderate exercise does. Now researchers have found several answers to what makes hard workouts so effective. "Our research on rats ...