Which of these is most important when deciding to initiate the action to hit an object in motion?

According to the size principle, _____________ motor units are recruited first, then _______________ motor units

Which neurotransmitter helps the action potential travel across the neuromuscular junction and into the muscle fiber?

In two sentences or less, tell me what the specific motor ability hypothesis is. 

Which of the following refer to the concept that there is an “optimal” amount of overlap within the sarcomeres for developing tension?

Complete the formula below: Force = x

The knee jerk reaction tests the functionality of which receptor?

Which of these are the contractile elements of the muscle?

Activities that require voluntary control of the joints and body segments to achieve a goal are called

In two sentences or less, tell me what the all or none principle is.