Sorry, this is a clueless gym mom question, but my DDs (L3) keep talking about working on their roundoff backhandspings. They seem to have been doing a bunch of progressions :wedge mat- spotted and then not, fasttrack trampoline (I think that is what it is called), and now on the tumble track. For all the progressions they seem to do it punching to back on to a mat. I know they need to do a punch for their L3 routine, but why punch to back rather than a regular punch? Just curious...