ms - vocab test 1 Flashcards
planter flextion
pointing the foot away from the shin
abduction
moving a limb away from the midline of the body
when the prime mover is ____, the antagonist is ____.
active, relaxed
eversion
turning the sole of the foot away from the midline of the body
inversion
turning the sole of the foot toward the midline of the body
any action performed by one group of muscles, another muscle group can ____
reverse
hyperextension
the straightening of a joint beyond 180 degrees
insertion
point where a muscle attaches to the moveable bone
supination
rotate forearm laterally so palm faces anteriorly
synergist
muscle that helps prime movers by producing the same movement or by reducing unwanted movements
prime mover
muscle that has the main responsibility for causing a particular movement
adduction
moving a limb toward the midline of the body
when the muscle ____, the insertion moves toward the orgin
contracts
antagonist
muscle that has the responsibility to oppose or reverse a movement
dorsiflextion
lifting the foot toward the shin
rotation
movement of a bone around its longitudinal axis. Hint: moving head in “no” motion.
circumduction
movement that combines flexion, extension, abduction, and adduction
orgin
point where a muscle attaches to the immovable or less moveable bone
extension
movement that increases the angle of the joint and the distance between two bones
flexion
movement that decreases the angle of the joint and brings two bones closer together
pronation
rotate forearm medially so palm faces posteriorly
muscles are named by?
shape: the deltoid is shaped like a triangle
muscle fibers: the transverse abdominis fibers are going horizontal
location: the temporalis is in front of the temporal bone
