Muscle Actions Flashcards
Flexion
bend
Ex. flexing arms
Extension
straighten
Ex. straight knee
Abduction
away from midline
Ex. arm straight up
Adduction
toward midline
Ex. arm at side
Medial Rotation
turn to midline
Ex. head to side
Lateral Rotation
turn to side
Ex. head forward
Elevation
up
Ex. raise eyebrows
Depression
down
Ex. eyebrows down (confused)
Retraction
backwards
Ex. jaw backwards
Protraction
forward
Ex. jaw forward
Inversion
turn foot forward
(only applies to foot)
Eversion
turn foot outwards
(only applies to foot)
Dorsiflexion
bend foot up
(only applies to foot)
Plantar Flexion
bend foot down
(only applies to foot)
Supination
palm forward
(only applies to palm)
Pronation
palm back
(only applies to palm)
Circumduction
in a circle
Ex. arm in a full circle