Figure 2

ACL surgical operation procedures. (a) Expose knee joint; (b) Isolation of semitendinous graft; (c) Tide graft with holding suture; (d) Record the length and diameter of the graft; (e) Dislocate the parapatellar and remove the fat pad; (f) Identification and dissection of ACL; (g) Drilling of bone tunnel; (h) Pull the tendon graft into the tunnel; (i) Tide the femoral and tibial ends of graft to periosteum with knots at tension at 30° knee flexion; (j) Re-locate parapatellar; (k) Parapetaller wound closure; (l) skin wound closure.