If you jump from the ground, you will have to jump equally up and forward to catch the bar. If you jump from a springboard, you will likely only have to focus more on moving forward in your jump.
[header] How to do a kip [title] Stand up to three feet away from the low bar. [step] You may stand flat on the ground, or you may use a springboard. [substeps] Standing too far away may cause you to miss the bar when you jump for it.