Injury to radial nerve in lower pa of spiral groove may result in all EXCEPT:-
Correct Answer: Spare nerve supply to extensor carpi radialis longus
Description: Injury to radial nerve in lower pa of radial groove results in paralysis (not sparing) of ECRL (Extensor Carpi Radialis Longus). Injury to radial nerve in lower pa of spiral groove may result in- Elbow extensors are spared(triceps,aconeus) wrist,elbow and finger extensors are paralysed sensory loss in first web space. Triceps receive branches of radial nerve in axilla and radial groove hence it will be spared, and elbow extension is intact.
Category:
Anatomy
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