Glutes, Hamstrings
Lower Back, Abdominals, Core
Watch Tutorial
https://www.youtube.com/shorts/nkbSpHzKx_o
https://www.youtube.com/shorts/MRSPzTTTo7E
Start hands/knees (tabletop).
Back flat, core engaged.
Extend right leg straight back.
Lift straight leg up towards ceiling.
Squeeze glute.
Keep hips square.
Lower leg slowly.
Repeat reps, switch legs.