Self Evidence

How a Simple Ball Trick Can Bulletproof Your Ankles, According to Squat University We’ve all heard of calf raises — but what if we told you there’s a way to make them twice as effective, especially if you deal with flat feet, weak arches, or chronic ankle instability? In this short, powerful video, Dr. Aaron Horschig from Squat University drops a game-changing tip: add a ball between your heels during calf raises to activate a hidden MVP in your lower leg — the tibialis posterior . 👣 Why This Tiny Muscle Matters The tibialis posterior sits deep beneath the bulky calf muscles and plays a critical role in supporting the arch of your foot. If it’s weak or underactivated, your foot can flatten out, leading to instability, poor movement patterns, and even pain that echoes up the kinetic chain. Dr. Horschig explains how one of his patients, David, struggled with heel pain during calf raises — until he was told to squeeze a ball between his heels . The pain decreased immediatel...