Motor Units and Skeletal Muscle Flashcards
1
Q
size principle
A
small motor units will fire first because they will reach membrane potential threshold levels first
2
Q
During a muscle contraction there is a
A
decrease in blood flow, temporarily
3
Q
can blood supply to the muscle increase? if so, how
A
yes, vascular growth can happen from stretch and sheer stress
4
Q
The alpha motor neuron and all the muscle fibers it innervates
A
Motor Unit
