1. Lie with your torso across a sturdy table. Draping your legs over the edge and grasping the edge of the table, knees straight.
2. Keeping the torso locked into place, raise the legs, making sure to squeeze the glutes up top and prevent overextension of the low back.
3. Lower the legs to starting postion, keeping the spine stable and making sure to prevent rounding the low back.
Primary: Gluteus maximus, hamstring (biceps femoris, semitendinousus, semimembranosus)
Secondary: Erector spinae (spinalis, longissimus, iliocostalis)