Exam 6: The Muscular System

Match the following: -Type of movement that turns the sole of the foot medially

Match the following: -Performs very slow, sometimes rhythmic, contractions

Explain how muscle movements mature in a baby, using examples of each.

The mechanical force of contraction is generated by ________.

A skeletal muscle twitch differs from a tetanic contraction in that ________.

Supination and pronation refer to up and down movements of the foot at the ankle.

Endomysium covers ________.

Match the following: -Specific neurotransmitter that stimulates skeletal muscle cells

While doing "jumping jacks" during an exercise class, your arms and legs move laterally away from the midline of your body. This motion is called ________.

The ________ is an organelle that wraps and surrounds the myofibril and stores calcium.

An elaborate and specialized network of membranes in skeletal muscle cells that function in calcium storage is the ________.

A motor neuron and all of the skeletal muscle fibers it stimulates are termed a ________.

The deltoid muscle is a common site for intramuscular injections.

The prime mover of arm abduction is the ________ muscle.

Match the following: -Gap between the axon terminals and the plasma membrane of a neighboring muscle cell

In order to excite a muscle cell, acetycholine must ________.

Which of these muscles is a synergist to masseter?

Which one of the following is composed of myosin protein?

Match the following: -Voluntary muscle tissue

The arrangement of fascicles in orbicularis oris is ________.