Lower Back, Glutes
Hamstrings, Shoulders, Upper Back
Watch Tutorial
https://www.youtube.com/shorts/ZH0FS5Gp_eg
https://www.youtube.com/shorts/KTWWh3GsyYw
https://www.youtube.com/shorts/lpyIQ8qr028
https://www.youtube.com/shorts/VD6ma6oe4ZA
https://www.youtube.com/shorts/jSXT1_IWQ7c
https://www.youtube.com/shorts/12VnfcJVaQc
https://www.youtube.com/shorts/15Gatmeuyxg
Lie face down, arms extended overhead, legs straight.
Lift arms, chest, legs off ground.
Form arch.
Squeeze back/glutes.
Hold briefly.
Lower slowly.
Repeat.