The refractory period is the period of time during which an excitable cell, such as a muscle cell, cannot generate another action potential. It usually lasts about 1-2 msec.
It is divided into two parts, the absolute refractory period and the relative refractory period.
... A twitch contraction is the simplest of all muscle contractions... It is a brief contraction of all the muscle ... most muscle movements in the body are not twitches. ...
... fiber contraction C. Motor unit 1. Motor unit recruitment permits a graded response in the muscle organ D. Slow (Type I) and fast (Type IIa and IIb) twitch...
... Slow oxidative fibers had long twitch times, low peak forces and high resistance to fatique. ... They split ATP at a slow rate they have slow contraction velocity. ...
... A single muscle twitch consisted of a short latent phase, and a contraction phase that was approximately 50% of the relaxation phase in duration. ...
... state into Stage 2) and is associated with the sudden twitches or hypnic ... with a percussion hammer (the patellar tendon reflex) that leads to contraction of a ...
