4a Upper limb overview

Question 1

4 major segments of upper limb ?

Answer 1

• shoulder
• arm
• forearm
• hand

Question 2

How many regions of the upper limb are there ?

Answer 2

16

Question 3

Movements of the shoulder and arm ?

Answer 3

• medial / lateral rotation
• circumduction
• flexion / extension
• adduction / abduction

Question 4

elbow and forearm movements ?

Answer 4

• flexion / extension
• pronation / supination

Question 5

What encloses muscles of the upper limb ?

Answer 5

deep fascia

Question 6

what arises from the deep fascia ?

Answer 6

intermuscular septa

Question 7

What does the deep fascia and intermuscular septa separate ?

Answer 7

limb into discrete compartments

Question 8

what do muscles within each compartment usually share similar of ?

Answer 8

• nerve supply
• blood supply
• function

Question 9

what are fascial planes ?

Answer 9

potential spaces used by surgeons to separate deep structures

Question 10

deep fascia doesn’t allow for what ?

Answer 10

expansion

Question 11

All structures of limbs wrapped in …1…. forming ….2…

Answer 11

1. thick deep fascia
2. compartments

Question 12

What is lateral and medial in the forearm ?

Answer 12

radius = lateral
ulna = medial

Question 13

Major artery, vein and nerves of the upper limb pass between the thorax and the limb by travelling:
1. over …
2. under…
3. through…

Answer 13

1. first rib
2. clavicle
3. the axillary inlet

Question 14

What is upper limb almost entirely innervated by the nerves of ?

Answer 14

the brachial plexus

Question 15

Plexus originates from ?

Answer 15

cervical and thoracic spinal cord levels -> C5, C6, C7, C8, T1

Question 16

Formation of brachial plexus begins in neck and continues into…

Answer 16

axilla -> arm -> forearm -> hand

Question 17

Which rami does plexus consist of ?

Answer 17

ventral primary rami -> mixed nerves (both sensory and motor fibres)

Question 18

main nerves of the upper limb ?

Answer 18

• axillary
• musculocutaneous
• median
• radial
• ulnar