You absolutely should be squatting below parallel if you are able, but there are other factors involved as well. With all of the joints and muscles involved in the squat, there are a lot of moving parts and a lot of potential problem areas along the way.
Should athletes squat below parallel?
Why the athlete should squat deep
Dr. Chiu has also established that the deep knee bend position (greater than parallel) is necessary for optimal relative muscular effort (RME) of the knee extensor musculature to occur.
Are deep squats better than parallel squats?
Squatting to parallel is the safest and most effective way to squat. Some experts believe that going any deeper than parallel in the squat can lead to knee injuries. Plus, most guys lack the flexibility to squat any deeper, anyway. Parallel squats are not full range-of-motion (ROM) squats.
Why do I fall backwards when I squat?
“Something is loading too much backwards,” he said. This usually means the athlete is trying to raise the chest at the bottom of the squat without pushing the hips forward to right himself. … “If an athlete has unusually long femurs, all of a sudden that pushes his entire torso to the posterior, to the rear.