Back extensions are a must in your program They strengthen the posterior chain — especially the glutes, hamstrings, and spinal erectors — which are essential for producing force during sprinting. By improving hip extension strength and trunk stability, these exercises help sprinters generate more power with each stride. Look at any elite sprinter and you’ll see some kind of back extension exercise. Dm me “30” for a full Speed program. | Scientificallyfaster

14 Top Posterior Chain Exercises For Back Pain Relief