The scientists explained that motor units are composed of a single motor neuron and the muscle fibers that it can excite. Various motor units, activated in different combinations and sequences ...

Motor improvements in SMA adults treated with Spinraza paralleled a boost in electrical impulses along nerves that supply ...

Motor neuron sends electrical impulses to an effector. Effector produces a response (muscle contracts to move hand away). Organisms are able to modify a reflex action and overcome it, but this ...