Exam 15: Axial Muscles

If a muscle causes the knee to bend, the origin point is above the knee and the insertion point is below the knee.

The most common type of lever in the body is a _____-class lever.

Name and describe three of the six muscle shapes discussed in this chapter.

The soleus muscle is an example of a _____ muscle.

Most muscles span a joint.

The masseter and temporalis muscle are muscles of mastication that have opposite functions.

Match each body location with its corresponding muscle. -Pectoralis major

In a lever system, the fixed pivot around which the rod moves is called the fulcrum.

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 insertion is that point of attachment that does not move when the muscle contracts.

Name and explain the three types of levers. Which type is the most common in the body?

Match each term with its corresponding description. -Groups of skeletal muscle fibers

Tendons and aponeuroses are both fibrous tissue extending from a muscle.

Contraction of the internal intercostal muscles elevates the ribs.

Match each body location with its corresponding muscle. -Biceps brachii

The direction of the fibers composing a muscle is not significant to its function.

A synergist muscle can be defined as a muscle that facilitates or complements the prime mover.

The epimysium is deep to the perimysium.

That which is considered the origin and insertion of a muscle may change under certain circumstances.

Match each term with its corresponding description. -Connective tissue that bonds fascicles together