Abdominals, Shoulders, Lats
Glutes, Core, Obliques
Watch Tutorial
https://www.youtube.com/shorts/gwovMdak1AQ
https://www.youtube.com/shorts/nXi2RTgrd7g
https://www.youtube.com/shorts/Ur4Uj4GwU_w
Stand staggered stance, hold med ball one hand.
Raise ball overhead, extending body.
Forcefully slam ball down in front.
Flex shoulders/spine/hips.
Catch rebound.
Repeat reps, switch sides.