Describe three events that occur during the relaxation phase of a skeletal muscle twitch.

Explain how you would be able to maintain a desired degree of contraction over time in a muscle in terms of utilization of motor units.

Identify the labeled structures in the figure provided.  Be sure to provide your responses in alphabetical order (A through I). A (green) B C D E F G H I  

Identify two regions of the sarcomere that narrow during contraction:  _________ and __________ .

What methods are used to remove cytosolic calcium in smooth muscle relaxation?

Which type of smooth muscle is located in the wall of the digestive tract?  ________________

List four types of stimuli that can be used to stimulate smooth muscle contraction.

In a graded contraction (less than maximal contraction), which of the following is FALSE?

Identify the skeletal muscle protein that has the following function.  (Be sure to provide your responses in the order of the questions.)Cross-links fibers of the thin filaments at the Z disc Links the thin filament to the sarcolemma Provides elasticity to the skeletal muscle fiber

Which type of skeletal muscle fiber type would you expect to be predominant in muscles of the trunk, and why?