Position barbell on back of shoulders and grasp bar to sides. Sit on end of bench or corner of box secured to floor. Position feet apart on floor with knees slightly bent.
Keeping back straight, bend torso forward as low as possible by bending hips. Raise torso until torso is upright. Repeat.
Begin with very light weight and add additional weight gradually to allow adequate adaptation. Throughout lift, keep back straight. Hamstrings will be emphasized if knees are straight.