The foundation. It must transition from a mobile adapter (to absorb force) to a rigid lever (to push off).
Utilizing foam rollers or lacrosse balls on the plantar fascia and glute medius. simpcity-Hip and Feet Mobility Naughtier.mp4
Based on the file name, this appears to be a fitness or mobility instructional video. 🦵 The Kinetic Chain: Hip and Foot Interdependence The foundation