For athletes across all sports, few experiences are as agonizing as being forced to leave competition with a sudden muscle cramp. These painful, uncontrolled spasms—formally known as ...

Why do some people find a short jog exhausting, while others seem to run effortlessly? Of course, part of the answer lies in training and muscle strength. But the brain also plays a role, particularly ...

Proceedings of the Royal Society of London. Series B, Biological Sciences, Vol. 154, No. 956 (Jul. 25, 1961), pp. 377-397 (21 pages) A tandem spindle is defined as one in which several encapsulated ...

During restricted periods of development (embryonic day (E) 14.5-E15.5 in mice 1), peripheral innervation of a subset of type I myotubes by group Ia sensory (but not motor 9) axons provides ...