Origin
What originates at the coracoid process of the scapula?
Coracobrachialis
Name 2 muscles that do flexion
Name 3 muscles that insert into the deltoid tuberosity
Anterior, middle, and posterior deltoid
Name 3 muscles that are innervated by the dorsal scapular nerve.
Levator scapulae, rhomboids major and minor, traps
Name a muscle that is innervated by the axillary nerve.
Deltoids OR Teres minor
Where does the posterior deltoid originate?
Spine of scapula
What are the actions of the teres minor?
Lateral rotation, horizontal abduction at the shoulder joint
Name 2 muscles that insert into the intertubercular groove of the humerus
teres major and latissimus dorsi
Name 2 muscles that are innervated by the musculocutaneous nerve
Biceps brachii and coracobrachialis
Where does the sternal head of the pectoralis major originate?
Sternum and costal cartilage
What originates at the subscapular fossa of the scapula?
What muscle does extension at the elbow and shoulder joint?
Triceps brachii
Where does the long head of the biceps brachii insert?
Radial tuberosity of ulna
What does the radial nerve innervate?
Triceps brachii (long head)
What inserts into the olecranon process of the ulna?
Triceps brachii
What originates at the transverse process of the vertebrae?
Levator scapulae
Name 2 muscles that do depression and protraction at the shoulder girdle
What inserts into the superior angle of the scapula?
Levator scapulae
What innervates the serratus anterior?
Long thoracic nerve
What innervates the subclavius?
Cervical nerves
Where do the traps originate?
Occipital bone, spinous processes of vertebrae
What action(s) do the traps do?
Retraction, elevation at shoulder girdle
Where does the serratus anterior insert?
Medial border of scapula
What does the thorocodorsal nerve innervate?
Latissimus dorsi
Name the origin, insertion, action, and innervation of the coracobrachialis.
Coracoid process of scapula, medial surface of the body of the humerus, flexion and adduction, musculocutaneous nerve