Exam 15: Axial Muscles

Groups of skeletal muscle fibers are bound together by a connective tissue envelope called the:

Tipping the head back on its atlas is an example of a third-class lever.

The fascia found on the surface of the muscle is called the superficial fascia.

The latissimus dorsi muscle is an example of a fusiform muscle.

If one of the sternocleidomastoid muscles contracts, it causes a different movement than if both of them contract.

Match each muscle with the corresponding description of its action. -Draw(s) the eyebrows together, producing vertical wrinkles (frowning)

Which of the following is not a component of a lever system?

Muscles may be named according to:

The brachioradialis muscle is an example of a _____ muscle.

Purposeful movement is determined by:

Which of the following statements about the muscles of the head is incorrect?

Fixator muscles would most likely be found at the origin points of muscles rather than at the insertion points of muscles.

Describe or explain the following terms describing muscle action: prime mover, antagonist, synergist, and fixator.

When a muscle contracts, the part of the body that moves is usually distal to the belly of the muscle.

Match each term with its corresponding description. -Broad, flat sheet of tendonlike connective tissue

Muscles are sometimes named to reflect their function.

Which fibrous connective tissue structures have a lining of synovial membrane?

There are more than ____ skeletal muscles in the body.

Match each term with its corresponding description. -Tube-shaped structure of fibrous connective tissue

Match each body location with its corresponding muscle. -Sternocleidomastoid