Box squats are a great modification to the full squat, espeically for those who are dealing with quad and patellar tendon pain. Box squats allow you to load the body in a recognizable way while controlling for a few important factors. First, you can control for the amount of depth by setting the box to a predetermined height to limit pain (this will usually be around a parallel depth). Box squats also decrease the total tension placed on the quad and patellar tendons as a powerful turnaround in