Exam 9: The Muscular System

In an isometric contraction,the muscle does not shorten,so there is no tension on the muscle.

During strenuous exercise

Skeletal muscles are also called striated or visceral muscles.

Match each muscle with its corresponding description or location. -large muscle on the lower back

Match each term with its corresponding definition or description. -movement that directs the bottom of the foot downward so you are standing on your toes

Which type of muscle tissue contains striations?

The basic functional unit of a skeletal muscle is a myofilament.

Both skeletal muscles and cardiac muscles have striations.

Explain how a severe muscle injury can lead to kidney damage.

Shaking your head "no" is what type of movement?

The insertion of a muscle is the

Define isotonic and isometric contractions and give an example of each.

The main effect of endurance training is an increase in the number of blood vessels in a muscle.

MATCHING Match each term with its corresponding definition or description. -protein that makes up the thick myofilament

The continued heavy breathing after strenuous exercise is an attempt by the body to "repay" the oxygen debt.

Explain the progression of myasthenia gravis.

Match each muscle with its corresponding description or location. -muscle on the front of the upper arm responsible for flexion of the elbow

Antagonist muscles and synergist muscles act to oppose the movement of the prime mover.

In bending the elbow,the insertion is in the forearm.

A full family history would be most helpful in determining the risk for myasthenia gravis.