Anatomical Spacedms Of Upper Limb

Question 1

How many anatomical spaces of the upper limb

Answer 1

8

Posterior shoulder- 3 spaces 
Axilla - armpit
Cubital fossa -anterior elbow
Carpal tunnel - anterior wrist 
Anatomical snuff box - posterolateral aspect of thumb
Ulnar canal - anteromedial wrist

Question 2

Posterior shoulder spaces

3

Answer 2

Quadrangular space

Lateral triangle space

Medial triangle space

Question 3

Posterior shoulder space

What does the quadrangular space contain and its border

Answer 3

Contents
Axiallary nerve
Posterior circunflex humeral artery and vein

Borders 
Superior: teres minor
Inferior: teres major
Medial: long head of triceps 
Lateral : surgical neck of the humerus

Question 4

Posterior shoulder space

Lateral triangle space

Contents and border

Answer 4

Contents
Radial nerve
Deep artery of the arm
Deep vein of the arm

Border
Superior: teres major
Medial: long head of the triceps
Lateral: lateral head of the triceps

Question 5

Posterior shoulder space

Medial triangle space

Contents and borders

Answer 5

Contents
Circumflex scapular artery

Borders
Superior: teres minor
Inferior: teres major
Lateral: long head of triceps

Question 6

Axilla anatomical space

Contents and border

Answer 6

Axillary artery and branches
Axillary vein and tributarier
Cords of the brachail plexus and braches
Axillary lymph vessels and nodes

Borders

Anterior wall - pec major, minor and deep fascia
Posterior wall - scapula, subscap, teres major and lat dorsi
Medial wall - 1-4 ribs and intercostal muscles, serratus anterior
Lateral wall - intertubercular groove of humerus

Question 7

Anatomical space of cubital fossa

Contents and border

Answer 7

Medial to lateral contents:
Median nerve
Brachial artery: divides into radial and ulnar arteries
Brachial vein: union of radial and ulnar veins
Biceps tendon
Radial nerve

Border
Superior: medial and lateral epicondyles
Medial: pronator teres
Lateral: brachioradial

Floor: brachialis and supinator muscle
Roof: brachial fascia, bicipital aponeurosis , superficial fascia and skin

Question 8

Veins laying superior to cubital fossa

Answer 8

Lateral: cephalic vein
Superior: median vein
Medial: basilic vein

Question 9

Carpal tunnel

What is it formed by

Contents

Border

Answer 9

The carpal tunnel is formed by carpals and flexor retinaculum of the wrist

Many tendons
FDS - flexor digitorum superficialis
FDP - flexor digitorum profundus
FPL - flexor pollicis longus

and the median nerve

Question 10

Anatomical snuff box

Borders

Answer 10

Lateral/anterior:
APL -Abductor pollicis longus
EPB - Extensor pollicis brevis

Medial/ posterior:
EPL- Extensor pollicis longus

Floor:
scaphoid and trapezium bones
Radial artery and veins

Roof:
Skin and fascia
Superficial branch of radial nerve

Question 11

Ulnar canal

Contents and border

Answer 11

Contents:
Ulnar nerve and artery

Boundaries:
Pisiform
Hamate
Pisohamate lig