Fig 2.

(A) Sterile setup for right hip arthroscopy in the supine position with the padding extension and C-arm in place. (B) Fluoroscopic image of right hip joint showing the position of the guidewire within the hip joint and the cannula about to enter the joint, avoiding the femoral head because of proper distraction. The hip of a tall patient that is adequately distracted for arthroscopy in the supine position with the extension pad is shown. (C) Fluoroscopic image showing the 5.5-mm burr and 70° arthroscope in position to begin acetabular rim trimming in the right hip of a patient in the supine position. The arthroscope is in the anterior portal, and the burr is in the anterolateral portal. As shown, proper distraction is maintained during arthroscopic procedures with the extension pad. (AC, acetabulum; FH, femoral head center.)