Although it may go by several different names, the "90-90 Test" or "Passive Knee Extension Test", this test can be a valuable way of assessing hamstring length, joint range of motion and end feel of the knee. 

Normative values have been shown to depend on gender with:

  • Men = 71.6 degrees
  • Women = 77.7 degrees

Need a refresher on how to perform the test? Check out this video on physio-pedia.com!