Muscles of the Shoulder

Question 1

What are the superficial EXTRINSIC muscles of the shoulder?

Answer 1

Trapezius

Latissimus dorsi

Question 2

What is the innervation of the trapezius muscle?

Answer 2

Accessory nerve

Question 3

What nerve supplies the latissimus dorsi?

Answer 3

Thoracodorsal nerve

Question 4

What are the deep EXTRINSIC muscles of the shoulder?

Answer 4

Levator scapulae
Rhomboid minor
Rhomboid major

Question 5

What nerve supplies the deep EXTRINSIC muscles of the shoulder?

Answer 5

Dorsal scapular nerve

Question 6

What are the 6 INTRINSIC muscles of the shoulder?

Answer 6

Deltoid
Teres major
4 Rotator cuff muscles

Question 7

What nerve innervates the deltoid?

Answer 7

Axillary nerve

Question 8

What nerve innervates the teres major?

Answer 8

Lower subscapular nerve

Question 9

What are the four rotator cuff muscles?

Answer 9

Supraspinatus
Infraspinatus
Teres minor
Subscapularis

Question 10

What nerve innervates the supraspinatus muscle?

Answer 10

Suprascapular nerve

Question 11

What nerve innervates the infraspinatus muscle?

Answer 11

Suprascapular nerve

Question 12

What nerve innervates the teres minor?

Answer 12

Axillary nerve

Question 13

What nerve innervates the subscapularis muscle?

Answer 13

Upper and lower subscapular nerves