Medial mm. of the Shoulder OIA's COMBO

Question 1

Subscapularis m.

Answer 1

O: subscapular fossa

I: lesser tubercle of humerus

A: adduct limb at humeral joint
(serves as medial collateral ligament)

Question 2

Teres major m.

Answer 2

O: caudal scapula

I: teres major tuberosity of humerus

A: flex humeral joint

Question 3

Coracobrachialis m.

Answer 3

O: scapular coracoid process

I: lesser tubercle crest of the humerus

A: adduct limb at humeral joint
(serves as medial collateral ligament)