Chapter 15 Vocabulary------Muscles
fascia
fibrous membrane separating and enveloping muscles
pronation
turning the palm downward
supination
turning the palm upward
striated muscle
a muscle whose fibers are divided by transverse bands into striations
flexion
bending a limb; decreasing the angle between bones
rotation
circular movement around a central point. internal rotation is toward the center of the body. external rotation is away from the center of the body
insertion of a muscle
connection of the muscle to a bone that moves; usually distal on the skeleton
origin of a muscle
connection of the muscle to a stationary bone; usually proximal on the skeleton
abduction
movement away from the midline of the body
adduction
movement toward the midline of the body
visceral muscle
smooth muscle fibers bound together by reticular fibers
extension
straightening of a flexed limb; increasing the angle between the bones of a joint
dorsiflexion
upward movement of the foot; achieved through ankle motion
planter flexion
downward movement of the foot; achieved through ankle motion