They are then allowed to retract. Care must be taken to leave the combined periosteum-fascia layer intact for it is the sturdy tissue to which the posterior musculature is sewn for muscle stabilization. The periosteum of the tibia is then elevated posteriorly from side to side and a periosteal elevator is placed directly behind the tibia. The tibia is then transected with power or hand saw just proximal to the level of the anterior skin incision. Division of tibia and fibula with electric saw.
Care is taken to smooth medially and posteromedially on the bone end.
The bone is rounded rather than simply beveled. Beveling and meticulous rounding of distal tibia. The use of a reciprocating power saw makes the transection of the fibula considerably easier and less traumatic to surrounding tissue. Some surgeons prefer sectioning the fibula first. The stability provided by the intact tibia makes fibula division easy.