Hamstrings, Lower Back
Glutes, Abdominals, Core
Set bar in rack suspended by chains/straps at stomach height.
Position self under bar (on back).
Stand up, lifting bar off supports.
Feet shoulder-width, slight knee bend.
Back tight, chest up.
Hinge at hips, push hips back.
Lower torso towards parallel.
Keep back arched.
Extend hips using glutes/hamstrings to return upright.
Lower bar back to supports. Repeat.