See if you can make good use of the calf muscles. When you have to jump, pad your toes, mainly turn the rope with your fingers, and don't move your arms. In other words, you only use your hands and toes to jump rope.

The tiptoe touches the ground to ensure the fast jumping frequency, and the light movement of fingers ensures the stability (no shaking) and speed of the rope. Also, make sure the rope has weight, or it will stall if it doesn't turn quickly.

You should practice skipping more. If you practice too much, your balance will be bad, which will cause your legs to trip over the rope. I don't think it's good to jump the rope twice at a time. Find my way. Now I can jump more than 280 times a minute, which requires a lot of energy. The key is not to stop halfway.