Tribe sports is displaying six types of crunches when it comes to working on your fitness so our bodies stay vicious! Yes flat tummies bring boys and girls to the yard! (Not that we want it to but it does help boost confidence). We want to challenge you to flatten those abs by adding this challenge to your weekly routine. Are you up for it? I hope so! Let’s get motivated! *Cues LMFAO I’m sexy and I know it* Click the picture to get to tribesports and WORK OUT!