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Clinical photograph of quadrupled STT graft being railroaded through the tibial tunnel. Patients right knee viewed from medial side. Note the position of the periosteal sleeves (white asterisk: tibial, black asterisk: femoral) with respect to circumferential reference markings (white arrow: tibial margin, black arrow: femoral margin), which denote the intra-articular margins of the bone tunnels. (STT, semitendinosus tendon.)
