Abduction		Bending the toes and foot up at the ankle
Adduction		The lack of joint mobility caused by abnormal shortening of a muscle
Ambulation		Turning the joint
Atrophy		Turning the joint outward
Contracture		The act of walking
Dorsiflexion		The foot is bent; bending the foot down at the ankle
Extension		Moving a body part toward the midline of the body
External rotation		Bending a body part
Flexion		Turning the joint downward
Footdrop		Straightening a body part
Hyperextension		Abnormally low blood pressure when the person suddenly stands up; postural hypotension
Internal rotation		Excessive straightening of a body part
Orthostatic hypotension		Turning the joint inward
Plantar flexion		The decrease in size or the wasting away of tissue
Pronation		Turning the joint upward
Range of motion		The foot falls down at the ankle; permanent plantar flexion
Rotation		Moving a body part away from the midline of the body
Supination		The movement of a joint to the extent possible without causing pain