FOOT: Inversion In today’s movement skill practice, we’re going on improving ANKLE INVERSION – moving your foot to the INSIDE to counter act foot drop with toes in and curled. The muscle we are working is called the posterior tibialis. This muscle is responsible for plantar flexion and inversion. When you improve their strengthen, your brain gets better at counteracting foot drop symptoms. It is super important that you focus on: anchoring your body, relaxing as you move, moving from the ankle j