Exam 15: Axial Muscles

Explain how muscles and the movement of the body help maintain stability or homeostasis.

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

Which of the following muscle(s) function(s) to protect the abdominal viscera?

The sternocleidomastoid muscle is an example of a muscle named by the number of heads.

Define the terms insertion and origin, in relation to muscle movement.

Match each body location with its corresponding muscle. -Deltoid

Match each term with its corresponding description. -Below the skin, it is called "superficial"; surrounding the muscle, it is called "deep"

The deltoid muscle is an example of a multipennate muscle.

Both the interspinales and the multifidus groups are muscles of the back.

Match each muscle with the corresponding description of its action. -Cause(s) sideways movement during mastication

Tendon sheaths that surround certain tendons have a lining of slick epithelial membrane that reduces friction.

A group of skeletal muscle fibers is called a fascicle.

Differentiate among the endomysium, perimysium, and epimysium.

The origin of a muscle is on the femur, and the insertion is on the tibia. When it contracts, it bends the knee. Its fibers run parallel to the body. Which of the following terms might be part of its name?

The prime mover can also be called the:

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

Muscles usually originate distal to the point of insertion.

Match each feature with the muscles named by that feature. -Deltoid

When a muscle contracts, the bone moved is the bone of insertion.

Muscles usually act singly as a prime mover.