Investigating the biomechanics for the PCL ruptured or reconstructed patients during walking, jogging, cutting, jumping. To establish a knee joint biomechanical evaluation model to quantify and evaluate the plantar pressure information under dynamic load-bearing state after PCL fracture. Provide a precise basis for the biomechanical state of the knee, and establish a clinically practical automatic analysis of plantar pressure information and an expert diagnostic system.
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walking speed
Timeframe: On the day of enrollment.
ground reaction force
Timeframe: On the day of enrollment.
knee flexion angle
Timeframe: On the day of enrollment.
the moment of knee extension in the gait cycle
Timeframe: On the day of enrollment.
the moment of knee flexion in the gait cycle
Timeframe: On the day of enrollment.