When the leg is moved out to the side, away from the body, the movement is _____.

• abduction

• adduction

• flexion

• extension

• rotation

Which muscle type is voluntary?

• cardiac

• smooth

• skeletal

• visceral

• cephalic

A group of inherited diseases that lead to chronic, progressive muscle atrophy is _____.

• myasthenia gravis

• paralysis

• cerebral palsy

• multiple sclerosis

• muscular dystrophy

A tough, sheet-like membrane that covers and protects the tissue is ______.

• a ligament

• a tendon

• fascia

• viscera

• pleura

If the lower leg is straightened away from the upper leg, the movement is ____.

• abduction

• adduction

• flexion

• extension

• rotation

Swinging the arm in a circle is an example of ____.

• abduction

• adduction

• flexion

• extension

• circumduction

When a muscle is in a state of partial contraction:

• contractility

• contracture

• elasticity

• muscle tone

• origin

Severe tightening of a flexor muscle:

• contractility

• contracture

• elasticity

• muscle tone

• origin

Turning the head from side to side:

• abduction

• adduction

• flexion

• extension

• rotation

The end of a muscle that moves when the muscle contracts:

• origin

• voluntary

• insertion

• tendon

• ligament