Table 1.
Study protocol and data obtained
Action | Data obtained |
---|---|
Path of passive flexion-extension (0°–90°) | Reference positions for intact knee |
Intact knee | |
A. 134 N posterior tibial load | Intact knee kinematics under A |
B. 5 Nm external tibial torque | Intact knee kinematics under B |
Section PLC | In situ forces in the PLC |
PLC-deficient knee | |
C. 134 N posterior tibial load | PLC-deficient knee kinematics under C |
D. 5 Nm external tibial torque | PLC-deficient knee kinematics under D |
Section PCL | In situ forces in the PCL in the intact and PLC-deficient knees |
PLC- and PCL-deficient knee | |
E. 134 N posterior tibial load | PCL- and PLC-deficient knee kinematics under E |
F. 5 Nm external tibial torque | PCL- and PLC-deficient knee kinematics under F |
Reconstruct PCL and PLC | |
PLC- and PCL-reconstructed knee | |
G. 134 N posterior tibial load | PCL- and PLC-deficient knee kinematics under G |
H. 5 Nm external tibial torque | PCL- and PLC-deficient knee kinematics under H |
Release PT & PFL components in alternating order | In situ forces in PT and PFL components in the PCL-reconstructed state |
PCL-reconstructed knee | |
I. 134 N posterior tibial load | PCL-reconstructed knee kinematics in the PLC-deficient knee under I |
J. 5 Nm external tibial torque | PCL-reconstructed knee kinematics in the PLC-deficient knee under J |
Release AL & PM bundles in alternating order | In situ forces in the AL & PM bundles in the PLC-reconstructed and PLC-deficient states |