During coordinated muscle movement, you must have an orderly…

During coordinated muscle movement, you must have an orderly recruitment of motor units. The size principle allows for the orderly recruitment of motor units. How does an EPSP coming from a single neuron to many different motor units only activate those needed for coordinated movement? (Select all that apply.)

You compete in the steeplechase event in track and field. Th…

You compete in the steeplechase event in track and field. This requires skill and coordination. Your coordinated movement and endurance require many different types of muscle. Which of the following is not an accurate description of specific muscle fiber types?