Rotator Cuff

Question 1

Name the Rotator Cuff Muscles

Answer 1

Supraspinatus, Infraspinatus, Teres Minor, Subscapularis

Question 2

What nerve innervates Supraspinatus?

Answer 2

Suprascapular nerve

Question 3

What nerve innervates Infraspinatus?

Answer 3

Suprascapular nerve

Question 4

What nerve innervates Teres Minor?

Answer 4

Axillary Nerve

Question 5

What nerve innervates Subscapularis?

Answer 5

upper and lower subscapular nerves

Question 6

All rotator cuff muscles are innervated primarily by what nerve roots?

Answer 6

C5-C6

Question 7

Supraspinatus action?

Answer 7

ABDUCTS arm initially (before the action of the deltoid)

Question 8

Most common rotator cuff injury?

Answer 8

Supraspinatus

Question 9

What muscle injury is assessed by “empty/full can” test?

Answer 9

Supraspinatus

Question 10

Infraspinatus action?

Answer 10

LATERALLY rotates arm

Question 11

What muscle is injured during a pitching injury?

Answer 11

Infraspinatus

Question 12

Teres minor action?

Answer 12

ADDUCTS and LATERALLY rotates arm

Question 13

Subscapularis action?

Answer 13

ADDUCTS and MEDIALLY rotates arm

Question 14

What is the only medial rotator of the rotator cuff?

Answer 14

Subscapularis