This is a great time of year for feasting, which means it’s also prime time for thinking about your physical fitness. Have you tried CrossFit yet? In her stand-up performance on Monday’s Late Late Show with Craig Ferguson, Erin Foley describes what it’s like being sold on CrossFit by a friend. But really, what is the deal behind a lot of these fitness fads? Spinning? SoulCycle? Foley has her own ideas, too.

Roll the clip!

Foley’s routine begins at the 34-minute mark of the full video.

If you want more where that came from, check out her CD, “Lady With Pockets.”