A&P pgs 33-38 muscle packet

Prime Mover

muscle that performs the majority of the work for a certain action

Synergists

muscles that assist the prime mover

Antagonist

muscles that perform the opposite action as another group of muscles

Flexion

Decreasing the angle b/w two body parts

extension

increasing the angle b/w two body parts

Plantarflexion

Pointing the toes downward

Dorsiflexion

Pointing the toes upward

ABduction

Movement away from the midline of the body (Abduct = take away, kidnap)

ADduction

Movement toward the midline of the body (adding to the body)

Pronation

rotation (of the arms) inward

Supination

rotation (of the arms) outward

Inversion

Pointing the soles of the feet inward (m/c position for ankle sprains)

Eversion

Pointing the soles of the feet outward

Protraction

sticking out

Retraction

bringing it back in

Elevation

lifting up

depression

Movement downward

Circumduction

Rotating distal end of the bone to form a circle

Rotation

Movement around a central axis

muscle

muscles name

orgin

the non moving point of attachment

insertion

the moving point of attachment

action

what the muscle does