Day 22

# UPPER LIMB The upper limb is one of the highest-yield topics in MRCS Part A. A single fracture, dislocation or stab wound can be linked to a specific nerve, muscle group and predictable clinical picture. Master the brachial plexus and the course of the five major peripheral nerves and

# 69 LOWER LIMB The lower limb dominates MRCS Part A musculoskeletal questions. Examiners love it because every clinical scenario links anatomy to mechanism: a fall on the kerb tests the common peroneal nerve at the fibular neck; a posterior hip dislocation tests the sciatic; a femoral neck fracture tests the

# 70 BACK PAIN 👩‍⚕️ Back pain is one of the commonest surgical presentations and a magnet for SBA questions. The exam tests three things: can you separate mechanical from radicular from red flag pain, can you recognise a cauda equina before the patient ends up incontinent, and can you spot the