Exam 15: Axial Muscles

A fixator muscle can be seen as another type of synergist muscle.

The pectoralis major muscle is an example of a _____ muscle.

Four muscles, the deltoid, supraspinatus, infraspinatus, and teres minor, make up what is called the rotator cuff around the shoulder.

Muscle can have only one origin attachment and one insertion attachment.

The covering of individual muscle fibers is the:

Which of the following statements is incorrect?

In a second-class lever, the pull is exerted between the fulcrum and the load.

Agonists and prime movers are interchangeable terms.

The sternocleidomastoid muscle is an example of a muscle named for its:

The gluteus muscles are examples of muscles that are named by location.

The two levator ani and coccygeus muscles form most of the pelvic floor.

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

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

The skeletal muscles are unique because they are the only organs made up of one kind of tissue.

In muscle terminology, the term rectus means straight.

Match each term with its corresponding description. -Tough connective tissue cord connecting muscle to the periosteum of a bone

In a first-class lever, the fulcrum lies between the pull and the load.

The connective tissue sheath that envelops bundles of muscle fibers is the:

Imagine that a new, unnamed muscle has been discovered. It inserts into the posterior aspect of the tibia and originates from two points in the center of the femur. Its fibers run parallel to the femur. Give a name to the muscle, and explain its function.

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