Hack Squats: Know the Difference ⚠️ . . Remember that the Hack Squat machine is primarily designed for the Quads as there’s machine is setup for more knee bend in the movement. However, you can slightly change the emphasis by playing with your foot position. Choose the variation that works best for you and your body/anatomy. Generally for me a Wider Stance High Up feels the most comfortable for me, so this is what I generally do when performing this exercise. Not the best Hack Squat machine eith