Crutch palsy is injury to which nerve?
Answer-A. Radial nerveVery high lesions of radial nerve may be caused by trauma or operations around the shoulder.This is seen in drink and drug addicts who fall into a stupor with the arm dangling over the back of a chair ('saturday night pals/) or in thin elderly patients using crutches ('crutch palsy').
Radial nerve
Ulnar nerve
Median nerve
Musculocutaneous nerve