[header] How to do a high back handspring [title] Practice jumping high and back. [step] Keep doing this until you feel high enough to do a back handspring. [title] If you are at gymnastics, get a roller, jump as high as you can, until you get the feel of it. 
[title] Use the same feel on a smaller roller. [step] Get a roller that barely touches, or doesn't touch your back at all.