SHOULDER UNIT

Question 1

Name the functions of the clavicle

Answer 1

Serves as a pivoting point in which the scapula and free limbs are suspended.
Forms a boundary of the cervical-axillary canal, protecting the neuro-vascular bundle that supplies the upper limb.
Transmits shocks from the upper limb to the axial skeleton.

Question 2

What divides the arm in anterior and posterior fascicle compartments?

Answer 2

The medial and lateral intermuscular fascia

Question 3

What connects the radius and ulna?

Answer 3

interosseous membrane

Question 4

Which vein runs through the delto-pectoral groove?

Answer 4

cephalic vein

Question 5

Name the pectoralis major’s insertion

Answer 5

lateral lip of intertubechular surface (groove) of humerus

Question 6

What type of joint is the SC joint?

Answer 6

Saddle joint

Question 7

What type of joint is the AC joint?

Answer 7

Plane synovial articulation

Question 8

Most dislocations of the humeral head occur in which direction?

Answer 8

Inferior (described clinically as anterior)

Question 9

Dislocation of the humeral head occur most commonly from the combination of these two forces.

Answer 9

Excessive extension and lateral rotation of the humerus

Question 10

What vein goes through the deltopectoral groove?

Answer 10

cephalic vein

Question 11

What is an arterial anastomoses?

Answer 11

Web of arteries