Tumbling also revolves around "Yankees" or delinquent-like students joining a team sport and struggling/working together. Also you get the same satisfaction of cute boys in tight gymnastic suits instead of tight speedos.
They have a similar concept of young boys competing in a sport, water boys synchronized swimming and tumbling with rhythmic gymnastics. It was during high school, through the sport they learn to build their friendship and love the sport.
The setting is similar between those two : high schooler boys who compete into sports that are considered "feminine". They'll go through their problems and overcome prejudices thanks to their friends.