Posterior interosseous nerve syndrome

Posterior interosseous nerve syndrome(PIN syndrome)은 radial nerve의 branch인 posterior interosseous nerve가 compression되면서 이에 의한 forearm extensor compartment의 compressive neuropathy가 나타나는 질환.

• Arcade of frohse: the most superior part of the superficial layer of the supinator muscle, and is a fibrous arch over the posterior interosseous nerve.