How can we help?

You can also find more resources in our Help Center.

15 terms

muscle joints

STUDY
PLAY
flexion
bending a joint so the angle between the bones is decreased
extension
bending a joint so the angle between bones is increased
hyperextension
bending a part past its normal position
abduction
moving a part away from midline
adduction
moving a part toward the midline
rotation
moving a part around a central axis (head from side to side)
circumduction
moving a part in a full circle
supination
turning the hand so the palm is up
pronation
turning the hand so the palm is down
eversion
turning the foot so the sole is outward
inversion
turning the foot so sole is inside
elevation
raising a part (lifting the shoulders)
depression
lowering a part (lowering the shoulders)
protraction
moving a part forward (thrusting the jaw
retraction
moving part backward