Upper Extremity

Question 1

The apex of the axilla is bounded by 3 bones

Answer 1

Anterior - clavicle
Posterior - scapula
1st rib - medially

Question 2

Shape of the axilla

Answer 2

Pyramidal

Question 3

Contents of the axilla

Answer 3

Axillary artery, vein, and brachial plexus

Question 4

The axillary fascia is a lateral prolongation of the

Answer 4

prevertebral fascia

Question 5

Postion is verified in a brachial plexus nerve block thru what landmark

Answer 5

Third part of the axillary artery

Question 6

Rotator cuff muscles stabilize the shoulder, however, this is weakest in what part?

Answer 6

Inferior

Question 7

What part of the rotator cuff is mostly prone to dislocation?

Answer 7

Inferior part

Question 8

Mechanism of anterior shoulder dislocation

Answer 8

Sudden violence applied to the humerus

Question 9

Shoulder abductors

Answer 9

Deltoid and Supraspinatus

Question 10

Nerve supply of Deltoid

Answer 10

Axillary

Question 11

Lateral rotators of the shoulder

Answer 11

Infraspinatus and Teres Minor

Question 12

Medial rotators of the shoulder

Answer 12

Subscapularis and Teres Major

Question 13

Nerve supply of teres minor and deltoid

Answer 13

axillary nerve

Question 14

Nerve supply of supraspinatus and infraspinartus

Answer 14

suprascapular nerve

Question 15

most commonly inflamed rotator cuff muscle

Answer 15

supraspinatus