Upper Limb Anatomy

Question 1

Winged scapula

Answer 1

Caused by loss of long thoracic nerve innervation

Question 2

Biceps reflex

Answer 2

C5

Question 3

Triceps reflex

Answer 3

C7

Question 4

Brachioradialis reflex

Answer 4

C6

Question 5

Carpal tunnel includes what

Answer 5

Medial nerve, tendons of the flexor digitorum profundus and superficialis and the flexor poillicus longus

Carpal tunnel syndrome = median nerve is impinged by tendons

Question 6

Quadrangular space

Answer 6

Contains the axillary never and the posterior humeral circumflex artery

Lateral border = long head of triceps
Medial border = humerous
Superior border = teres minor
Inferior border = teres major

Question 7

Triangular space

Answer 7

Contains radial nerve and deep brachi AA.

Lateral border = lateral head of triceps
Medial border = long head of triceps
Superior border = teres major

Question 8

Allens test

Answer 8

Tests for anastomoses between radial and ulnar arteries.

Pinch both ulnar and radial arteries and drain blood from hand via clinching fist.

Release ulnar artery but keep pressure on radial to see if blood returns to whole hand or not