See the Tibialis Posterior Like Never Before! 📽️🦶 Our groundbreaking 3D animation unveils the tibialis posterior in a way never seen before, demonstrating how this deep muscle bolsters the medial longitudinal arch and steadies the foot during movement. 💡 Often overlooked, the tibialis posterior is crucial in controlling pronation and preventing arch collapse. Weakness or dysfunction can lead to flat feet and instability and, in some cases, contribute to posterior tibial tendon dysfunction (PT