Despite the best of efforts, your squats are not nearly as low as you’d like. And when they do get low enough, the result is a crippling pain. The culprit could be poor ankle mobility, a common problem that limits the range of motion for fitness novices and experienced athletes alike. If your ultimate goal is a parallel squat, you’ll have no hope of achieving it if your ankles lack sufficient strength and flexibility. There are a few ways for you to improve ankle mobility through strengthening and conditioning, though.