Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday. Cobra to child’s poseImages: Stan Horaczek / Popular Science Stan HoraczekThis combination move takes your low back through extension and flexion, helping promote full-range mobility. Side lying rotationImages: Stan Horaczek / Popular Science Stan HoraczekGentle twisting movements like this one help forge and maintain rotational mobility in the lumbar spine. Deep SquatImages: Stan Horaczek / Popular Science Stan HoraczekSquatting to full depth helps load (i.e. Wall hingeImages: Stan Horaczek / Popular Science Stan HoraczekHinging exercises train us to use our hips and glutes instead of the muscles of the low back.