avclub-8c00e4eb3e220d8fdf281de739c39728--disqus
hartscreekbygod
avclub-8c00e4eb3e220d8fdf281de739c39728--disqus

Crossfit itself is kinda dumb, but tire flippin' isn't. Every football team in the world has their lineman flip big ol' truck tires as a core/explosiveness workout.