Shoulder move/Innver

Question 1

What muscles perform shoulder abduction?

Answer 1

supraspinatus
deltoid (middle fibers)
biceps brachii (long head)

Question 2

What muscles perform shoulder external rotation?

Answer 2

infraspinatus
teres minor
deltoid (posterior fibers)

Question 3

What muscles perform shoulder internal rotation?

Answer 3

subscapularis
latissimus dorsi
teres major
deltoid (anterior fibers)
pectoralis major

Question 4

What muscles perform shoulder extension?

Answer 4

latissimus dorsi
triceps brachii (long head)
deltoid (posterior fibers)

Question 5

What muscles perform shoulder adduction?

Answer 5

latissimus dorsi
teres major
triceps brachii (long head)
pectoralis major
biceps brachii (short)
coracobrachialis

Question 6

What muscles perform shoulder flexion?

Answer 6

deltoid (anterior)
pectoralis major
biceps brachii (both heads)
coracobrachialis

Question 7

What muscles innervates with the suprascapular nerve?

Answer 7

supraspinatus

infraspinatus

Question 8

What muscles innervates with the axillary nerve?

Answer 8

teres minor

deltoid

Question 9

What muscles innervates with the subscapular nerve?

Answer 9

subscapularis

teres major

Question 10

What muscles innervates with the radial nerve?

Answer 10

triceps brachii

Question 11

What muscles innervates with the thoracodorsal nerve?

Answer 11

latissimus dorsi

Question 12

What muscles innervates with the musculocutaneous nerve?

Answer 12

biceps brachii

coracobrachialis

Question 13

What muscles attach to the greater tubercle of the humerus?

Answer 13

supraspinatus
infraspinatus
teres minor

Question 14

What muscles attach to the coracoid process of the scapula?

Answer 14

biceps brachii (short head)
corcaobrachialis
pectoralis minor