Exam 8: Muscular System

Match the muscles of the head and neck with their function. -Closes eyes

Z lines mark the ends of individual sarcomeres.

Skeletal muscle cells contain more than one nucleus.

The connective tissue that attaches muscle to bone is called

To produce smooth movement at a joint

What part of the body does the sartorius move?

The insertion of a muscle is on the more stationary bone.

Both tonic and isotonic contractions cause movement of a joint.

Match the muscles that move the lower extremity with their function. -Dorsiflexes the ankle

Match each of the terms with its definition or explanation. -Attachment point to the bone that moves during muscle contraction

Match the muscles that move the upper extremities and the muscles of the trunk with their function. -Compresses abdomen

Match the body movement term with its definition. -Results in the hand position with the palm turned toward the posterior position

The zygomaticus is sometimes called the "kissing muscle."

What part of the body does the external oblique move?

Like skeletal muscles,cardiac muscles have striations.

Match the muscles that move the lower extremity with their function. -Plantar flexes the ankle

Match the muscles of the head and neck with their function. -Extends the head and neck

The minimum level of stimulation required to cause a muscle fiber to contract is called the threshold stimulus.

When a muscle fiber is subjected to a stimulus,it contracts completely.This is called

The overuse of vitamins can cause a serious health problem called hypervitaminosis.