Reverse engineering joint replacement

Question 1

Rotator Cuff muscles (4)

Answer 1

infraspinatus, subscapularis, supraspinatus, teres minor

Question 2

Supraspinatus nerve supply

Answer 2

suprascapular nerve (C5-C6)

Question 3

supraspinatus action (2)

Answer 3

abduction and stabilisation

Question 4

supraspinatus origin and insertion

Answer 4

supraspinous fossa of scapular and greater tubercle of humerus

Question 5

supraspinatus vascular supply

Answer 5

suprascapular artery

Question 6

subscapularis nerve supply (2)

Answer 6

lower and upper subscapular nerves (C5-C6)

Question 7

subscapularis action (2)

Answer 7

internal rotation and stabilisation

Question 8

subscapularis origin and insertion

Answer 8

subscapular fossa and lesser tubercle of humerus

Question 9

subscapularis vascular supply (3)

Answer 9

axillary, subscapular, suprascapular artery

Question 10

infraspinatus nerve supply

Answer 10

suprascapular nerve (C5-C6)

Question 11

teres minor nerve supply

Answer 11

axillary nerve (C5-C6)

Question 12

infraspinatus action (2)

Answer 12

external rotation and stabilisation

Question 13

teres minor action (3)

Answer 13

adduction, external rotation. stabilisation

Question 14

infraspinatus origin and insertion

Answer 14

infraspinous fossa of scapula and greater tubercle of humerus

Question 15

teres minor origin and insertion

Answer 15

lateral border of scapula and greater tubercle of humerus

Question 16

infraspinatus vascular supply (2)

Answer 16

circumflex and suprascapular artery

Question 17

teres minor vascular supply (2)

Answer 17

dorsal scapular and suprascapular artery

Question 18

transverse plane joint couple shoulder (2)

Answer 18

infraspinatus and subscapularis