upper arm origin and insertion Flashcards
triceps brachii long head
O: inferior margin of the glenoid cavity
I: olecranon of ulna
triceps brachii lateral head
O: posterior humerus
I: olecranon of ulna
triceps brachii medial head
O: distal radial groove on posterior humerus
I: olecranon of ulna
biceps brachii short head
O: corocoid process
I: radial tuberosity
anconeus
O: lateral epicondyle of humerus
I: lateral aspect of olecranon of ulna
biceps brachii long head
O: supraglenoid tubercle and lip of glenoid cavity; tendon og long head runs in intertubercle sulcus and within capsule of shoulder joint
I: radial tuberosity
brachioradialis
O: lateral ridge at distal end of humerus
I: base of radial styloid process
brachialis
O: distal portion of the anterior humerus
I: coronoid process of ulna
supraspinatus
O: supraspinous fossa of the posterior surface of the scapula
I: greater tubercle of the humerus
infraspinatus
O:infraspinatus fossa of the posterior surface of the scapula
I: greater tubercle of the humerus
teres minor
O: lateral border of the scapula
I: greater tubercle of the humerus
subscapularis
O: subscapular fossa on the anterior side of the scapula
I: lesser tubercle of the humerus
teres major
O: inferior angle of the scapula
I: intertubercular groove of the humerus
deltoid
O: lateral 1/3 of the clavicle; acromion of the scapula; spine of the scapula
I: the deltoid tuberosity of the lateral side of the body of the humerus
coracobrachiallis
O: corocoid process of the scapula
I: medial surface and border of the body of humerus