Clinical anatomy of the upper limb (to be finished off once done the anatomy dissections)

Question 1

Appreciate the pic of the shouler

Answer 1

Question 2

What lesion can occur due to anterior dislocation of the shoulder ?

Answer 2

Bankart lesion - is an injury of the anterior (inferior) glenoid labrum

Question 3

Following an anterior dislocation of the shoulder what is the most common nerve injury and where does it get injured ?

Answer 3

Axillary nerve injury - gets compressed at the quadrangular space

Question 4

What are the named nerves in the brachial plexus and how do they relate to each other ?

Answer 4

Question 5

What are the signs of a frozen shoulder ?

Answer 5

Global loss of ROM esp external rotation

Question 6

What nerve supplies the anterior compartment of the arm ?

Answer 6

Musculocutaneous nerve

Question 7

What nerve supplies the posterior compartment of the arm ?

Answer 7

Radial nerve

Question 8

What nerve supplies the anterior compartment of the forearm ?

Answer 8

• All median nerve
• Except FCU & ulnar half of FDP = ulnar n

Question 9

What nerve supplies the posterior compartment of the forearm ?

Answer 9

Radial

(radial supplies all extensors in the upper limb)

Question 10

What are the carpal bones of the hand ?

Answer 10

Scaphoid

• Lunate
• Triquetrum
• Pifiromis
• Hamate
• Capitate
• Trapezoid
• Tripezium

So Long To Pinky Here Comes The Thumb

Question 11

What bone is found in the anatomical snuff box ?

Answer 11

The scahpoid

Question 12

Appreciate this

Answer 12

Question 13

Following a suprachondylar fracture what is there risk of ?

Answer 13

Risk brachial artery occlusion & median nerve injury

Question 14

Where does the problem in tennis elbow occur ?

Answer 14

Tear in the extensor origin to the lateral epichondyle

Question 15

Where does the problem in golfers elbow occur ?

Answer 15

Tear in the flexor origin in the medial epichondyle

Question 16

What does tenderness in the floor of the anatomical snuffbox suggest ?

Answer 16

Scaphoid fracture

Question 17

Describe what Dupuytren’s Contracture is

Answer 17

It is a pathology affecting the palmar fascia. It causes thickening and shortening (contracture) leading to fixed flexion deformities, of in particular, the ring and little fingers.

Question 18

Describe the lymph drainage in the upper limb

Answer 18

• Lymph vessels following the basilic vein drain into the cubital lymph nodes ===> axillary lymph nodes
• Vessels following the cephalic vein drain directly into axillary lymph nodes

Axillary ===> Subclavian lymphatic trunk

Right subclavian trunk ===> R lymphatic duct ===> Right venous angle

Left subclavian trunk ===> directly into thoracic duct

Question 19

In the axilla there is 5 main groups of axillary lymph nodes what are they ?

Answer 19

• Pectoral (anterior)
• Subscapular (posterior)
• Humeral (lateral)
• Central
• Apical