Hamstrings, Hip Flexors
Glutes, Quads, Core
Watch Tutorial
https://www.youtube.com/shorts/xibI595uyuo
https://www.youtube.com/shorts/idF3SfvAUWQ
Stand tall near support.
Engage core, back straight.
Swing right leg forward from hip, keeping leg straight.
Swing leg backward.
Repeat controlled swing 5-10 times.
Switch legs.