muscles of the scapula Flashcards
Muscle that allows for internal rotation + originates in the subscapular fossa
Subscapularis
Nerve that innervates muscles that allow for internal rotation
Subscapular nerve
Muscles innervated by the subscapular nerve
Subscapularis + teres major
The supraspinatus muscle originates in… and inserts in…
The supraspinous fossa; greater tubercle of the humerus (on top)
The supraspinatus muscle allows for…
Glenohumeral abduction
Nerve that innervates the supra- and infraspinatus muscles
Suprascapular nerve
The infraspinatus muscle orginates in… and inserts in…
Infraspinous fossa; greater tubercle of the humerus (below the insertion of the supraspinatus)
The infraspinatus muscle allows for…
External rotation
The teres minor allows for…
External rotation
Nerve that innervates the teres minor
Axillary nerve
The teres minor originates in… and inserts in…
Lateral border of the scapula; greater tubercle of the humerus (below the infraspinatus)
The teres major originates in…
Lateral border of the scapula
Muscle that moves from the back to the front
Teres major
Muscle that inserts into the medial border of the bicipital groove (posterior to the latissimus dorsi)
Teres major
Muscle that divides the teres minor + teres major (creating 3 spaces)
Long head of the triceps
