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What is 1 + 3?
bending a joint so the angle between the bones is decreased
bending a joint so the angle between bones is increased
bending a part past its normal position
moving a part away from midline
moving a part toward the midline
moving a part around a central axis (head from side to side)
moving a part in a full circle
turning the hand so the palm is up
turning the hand so the palm is down
turning the foot so the sole is outward
turning the foot so sole is inside
raising a part (lifting the shoulders)
lowering a part (lowering the shoulders)
moving a part forward (thrusting the jaw
moving part backward