1: Sit on KangaTech hamstring wedge or a plyometric box with knee angle at 45°.
2: Adjust housing height and rotation to position flat cuff to lightly touch anterior aspect of ankle immediately above malleoli
1: Test unilaterally
2: Keep pelvis still (do not lift buttocks from wedge or seat)
3: Extend lower leg, squeezing anterior ankle into cuff
4: Feel fatigue/work in the quadriceps
5: Build to maximum force over 5 seconds