Lower Back, Abdominals, Core
Glutes
Watch Tutorial
https://www.youtube.com/shorts/dFwf1IjZj70
https://www.youtube.com/shorts/xk4ZkqapC3Q
https://www.youtube.com/shorts/ONlQxhgt374
https://www.youtube.com/shorts/ZYfAYps0cQ4
https://www.youtube.com/shorts/iZna90jjHts
https://www.youtube.com/shorts/HSx8DMWDEik
https://www.youtube.com/shorts/Mfe4HEVKCT4
Stand feet hip-width, knees slightly bent.
Tilt pelvis back (arch low back).
Tilt pelvis forward (flatten low back, tuck tailbone).
Alternate slowly.
Hold forward tilt for stretch.
Repeat.