Lower Back, Hamstrings
Glutes, Core
Watch Tutorial
https://www.youtube.com/shorts/Ab98JWpaQJ8
https://www.youtube.com/shorts/ITHKnMkvkKI
https://www.youtube.com/shorts/Lkq1waYaFFI
https://www.youtube.com/shorts/GN6iaVAZN-0
https://www.youtube.com/shorts/l2kFgSOZBRk
https://www.youtube.com/shorts/ttMtMSPNI3k
Sit box/bench in rack.
Bar on back.
Feet planted.
Back arched, core tight.
Hinge hips, lean torso forward.
Keep back straight.
Lower until torso near parallel or comfortable.
Return upright extending hips/back.
Repeat.