(Supine Hip Extension Leg Curl) Use sliders or a perform on smooth surface.
Begin lying supine on the floor, knees bent, feet close to your glutes. Perform a glute bridge & hold the top position. Back neutral, head resting on the floor. Hips fully extended, glutes and hamstrings engaged.
Begin sliding your feet forward with control, staying tight & maintaining hip extension.
Try to control the whole ROM, and allow your legs to drop as they reach full extension.
Reset to the glute bridge position and repeat for repetitions.