Calves
Core, Quadriceps
Watch Tutorial
https://www.youtube.com/shorts/s8YjkbvShAQ
https://www.youtube.com/shorts/wkODyB274MA
https://www.youtube.com/shorts/Eqtayu11JXI
https://www.youtube.com/shorts/tyIwprKstGw
https://www.youtube.com/shorts/aoKEDtcWtp8
https://www.youtube.com/shorts/FJc-Ljjj7FI
https://www.youtube.com/shorts/Pti9UqnkbTc
https://www.youtube.com/shorts/adDZiTfm834
https://www.youtube.com/shorts/acjgnvXSGzk
https://www.youtube.com/shorts/H8I8tl7FT-U
Maintain an upright posture with elbows tucked near your ribs.
Jump high enough to allow the rope to pass under your feet twice in one revolution.
Use quick, flicking wrist motions to accelerate the rope.