Exam 8: Muscular System

Match the body movement term with its definition. -The top of the foot is elevated with the toes pointing upward

According to the sliding filament model,in order for a sarcomere to contract

The term oxygen debt describes the continued increased metabolism that must occur in a cell to remove the excess acid that accumulates during prolonged exercise.

A bursae is a saclike structure that is filled with

Match the body movement term with its definition. -Moving part of the body away from the midline of the body

Match the muscles that move the lower extremity with their function. -Extends thigh

Lifting your textbook off the desk is an example of an isotonic muscle contraction.

The opposite movement of rotation is

Match each of the terms with its definition or explanation. -Point of contact between the nerve ending and the muscle fiber

The minimal level of stimulation required to cause a fiber to contract is called

What part of the body does the sternocleidomastoid move?

Match the muscles that move the upper extremities and the muscles of the trunk with their function. -Abducts upper arm

Moving a part of the body toward the midline of the body is called

Match each of the terms with its definition or explanation. -Type of muscle contraction in which the muscle shortens and the joint moves

Match each of the terms with its definition or explanation. -Another name for visceral muscle

The origin of a muscle is on the more movable bone.

The point of contact between the nerve and muscle is called a motor unit.

A fluid-filled sac that acts as a lubricating structure for muscle movement is a(n)

Skeletal muscle is also called striated muscle.

Using the sliding filament model of muscle contraction,explain fully how a muscle contracts.