Passive extension is a knee rehabilitation exercise (stretch).

pvc tubing for knee exercises

Two differing widths of PVC tubing from the local building shop.

passive extension knee exercise

Resting the ankle on the smaller tube and relaxing the limb to help passively extend the knee.

passive knee extension

The larger PVC tube creates greater passive force.


How to perform a passive extension stretch

Simple PVC tubes allow a simple passive stretch exercise. Laying an ankle weight on the knee during these passive stretch sessions can further improve the stretch.


Preventing arthrofibrosis

Part 11 of a course by Dr Frank Noyes on Arthrofibrosis

Passive extension

Simple but important extension stretch.