Anatomy of Motion on Instagram: "The number one limiting factor for a great squat is ankle mobility. That is why squatting with lifted heels feels much easier than regular squats, as it utilizes a great amount of knee and hip range of motion but without the need for ankle mobility yet. Lifted heels allow you to easily push your knees forward, as the ankle is no longer limiting them. This results in the hips being brought more forward as well, which in turn guarantees a more upright upper body po