|Utility:||Basic or Auxiliary|
Position barbell on back of shoulders and grasp bar to sides.
Keeping back straight, bend hips to lower torso forward until parallel to floor. Raise torso until hips are extended. Repeat.
Begin with very light weight and add additional weight gradually to allow adequate adaptation. Throughout lift, keep back and knees straight. Do not lower weight beyond mild stretch through hamstrings. Full range of motion will vary from person to person depending on flexibility. Also see Bent Knee Goodmorning emphasizing Glutes.