Fig. 7From: “Posterior interosseus artery flap for hand reconstruction: anatomical basis and clinical application”A photograph for the left forearm showing the PIOA (black arrow) and the its communicating artery (com A) (arrow) with the AIOA above the ulnar styloid (U St) ED = extensor digitorum muscle, EDM = extensor digiti minimi muscle, U St = ulnar styloid processBack to article page