Add Yahoo as a preferred source to see more of our stories on Google. Man doing a box jump in a crossfit gym Crossfit is growing in popularity; not only is it brilliant for increasing your overall ...

Much like Dungeons and Dragons, Renaissance faires, and sex parties, CrossFit is something that everyone has heard of — but few have an accurate understanding of what it entails and who it's for.

The high-intensity, multi-joint movements in CrossFit may help you gain muscle strength and stamina. Adding additional weight to your workouts can further increase muscle gain by adding stress to your ...