muscle joint review

Front

What happens to the space within the sarcomere during muscle contraction?

Back

The space within the sarcomere decreases.

Front

What is the role of the antagonist when a prime mover flexes a joint?

Back

The antagonist will assist in flexing the joint.

Front

What is the term for straightening a bent elbow?

Back

Extension.

Front

What is the term for moving a part of the body away from the midline?

Back

Abduction.

Front

What is the most important muscle for breathing?

Back

Diaphragm.

Front

Define 'flexion' in terms of joint movement.

Back

Flexion is the bending of a joint, decreasing the angle between two body parts.

Front

Define 'extension' in terms of joint movement.

Back

Extension is the straightening of a joint, increasing the angle between two body parts.

Front

What is 'abduction' in anatomical terms?

Back

Abduction is the movement of a limb away from the midline of the body.

Front

What is 'adduction' in anatomical terms?

Back

Adduction is the movement of a limb toward the midline of the body.

Front

What is the function of the diaphragm during respiration?

Back

The diaphragm contracts to allow the lungs to expand and fill with air.