Weakness of wrist extensors ("wrist drop"), finger extensors, and brachioradialis
Triceps retains full strength
Possible sensory loss over the dorsum of the hand, sometimes extending up the posterior forearm
Thumb abduction is affected (abductor pollicis longus is a<unk> -innervated muscle)
Radial neuropathy at the spiral groove
CVA
Posterior interosseous neuropathy
Carpal tunnel syndrome
Anterior interosseous neuropathy
Pronator teres syndrome
Obturator nerve entrapment
Acromioclavicular joint injury