Muscular System Flashcards
(11 cards)
biceps brachii
flexion;supination, performs bicep curls also allows palm of the hand to point toward body while flexing
triceps brachii
extension- extends forearm, as during a punch
pronator teres
pronation; turns hands palms down
supinator
supination; turns hand palm up
teres major
extension; adduction, assists the infraspinatus in rotating the elbow outwards
suprespinatus
abduction; rotates the elbow outward, as during a tennis swing
deltoid
abduction; flexion; extension; medial and lateral rotation, lifts arm at the shoulder
latissimus dorsi
humerus; extension, adduction, and medial rotation;scapula: depression, moves elbow back
pectoralis major
flexion; adduction; medial rotation, brings elbow together; moves elbow up
rhomboid major
retracts; rotates inferiorly
trapezius
scapula; rotates inferiorly, retracts, elevates, and depresses; spine; extends, elevates shoulders or pulls shoulders apart, tilts head backward