This is a great pump for the undersurface of the patella. Conditions like patella-femoral, jumpers knee, chondamalacia patella and general knee pain all benefit from this pump.

When pumping the knee in extension with external rotation it pumps the antero-medial compartment of the knee. Has an impact on the MCL. When pumping the knee in extension with internal rotation it pumps the anterior-lateral compartment of the knee. Has an impact on the ACL

Important movement to restore the micro-movements of the knee. Always start with rotation and lateral gliding prior to flexion and extension.

These micro movements are extremely important to restore prior to flexion and extension of the knee.