ortho - arm + shoulder

Question 1

ulnar nerve: origin

Answer 1

medial cord of brachial plexus (C8, T1)

Question 2

ulnar nerve: palsy features (damage at wrist)

Answer 2

hypothenar wasting
claw hand (bent little + ring finger, hyperextended MCPs)
wasting of intrinsic hand muscles
sensory loss of little and half of ring finger

damage at elbow - plus radial deviation of wrist

Question 3

cervical spondylosis - common cause + presentation

Answer 3

OA