muscles of the shoulder and arm

muscles

100

triangle shaped muscle located on the cap of the shoulder

what is the deltoid

200

broadest muscle of the back with thin superficial fibers

what is latissimus dorsi

300

origin of T2-T5, insertion of the medial border of the scapula between the spine and inferior angle

what is rhomboid major

400

origin of the coracoid process and supraglenoid tubercle, insertion of tuberosity of the radius and aponeurosis of the biceps brachii

what is the biceps brachii

500

insertion of the medial surface of the mid-humeral shaft, origin coracoid process of the scapula

what is coracobrachialis

synergists/antagonists

100

______________ and _____________ are synergists on horizontal adduction

what is deltoid and pectoralis major

200

______________ and _____________ are synergists on elevation of the scapula

what is trapezius, rhomboid major, rhomboid minor, or levator scapula

300

______________ and _____________ are synergists on adduction

what is lat dorsi, teres major, infraspinatus, teres minor, pec major, triceps brachii, coracobrachialis

400

______________ and _____________ are antagonists during depression of the scapula

what is trapezius lower fibers and trapezius upper fibers

500

______________ and _____________ are antagonists during flexion

what is deltoid anterior fibers and deltoid posterior fibers

prime movers

100

horizontal abduction

what is deltoid

200

lateral rotation

deltoid

300

depression of the scapula

trapezius

400

scapular retraction

trapezius

500

downward rotation of the scapula

rhomboid major

actions

100

deltoid all fibers

abduct

200

teres minor

extension, adduct, medial rotation

300

deltoid posterior fibers

extension, lateral rotation, horizontal adduction

400

pectoralis major lower fibers

extension

500

triceps brachii long head

extension, adduction