Flexion.
bending movement; decreases relative angle between segments
Plantarflexion—
extension at the ankle.
Dorsiflexion
flexion at the ankle
Abduction—
movement in the frontal plane away from the middle.
Adduction
—movement in the frontal plane toward the middle.
Horizontal abduction—
transverse plane arm movement from anterior to lateral (e.g. chest flies).
Horizontal adduction—
transverse plane arm movement from lateral to anterior.
Internal rotation
—rotation toward the middle of the body.
External rotation
—rotation away from the middle of the body.
Extension
straightening movement; increases relative angle between segments.