farther from the body surface
deep
closer to the body surface
superficial
the place of muscle attachment for the more stationary bone
origin
the place of muscle attachment to the bone that moves
insertion
the movement the muscle performs
action
decreasing the angle between two body parts
flexion
increasing the angle between two body parts
extension
movement of limbs toward the midline
adduction
movement of limbs away from the midline
abduction
a sheet or line of tendon-like fascia that can provide a muscle insertion site and/or protection
aponeurosis