“…If healing is incomplete, instability, usually slight, may remain and can lead to chronic pain, feelings of instability, and also movement limitations (7, 8, 28-30, 36, 38). Collateral ligament reconstruction using autologous or allogenous tendon grafts is now performed as standard treatment in cases of delayed surgery, because the ligamentous structures are often insufficient and scarred following incomplete healing (8,14,15,23,36,39,40).…”