Lucky Jake fortified himself with this fresh papaya-mango-peach juice because today's Crossfit workout was the infamous "Filthy Fifty." To wit:
50 Box Jumps
50 Jumping pull-ups
50 Kettlebell swings
Walking lunge - 50 steps
50 Knees to elbows
50 Push press
50 Back extensions
50 Wall ball shots
50 Burpees
50 Double unders

In case you're wondering--and you're probably not--knees to elbows are where you hang from a pull-up bar and swing your knees up to touch your elbows. Sound easy? Well, it's not, and I could never actually get the skin-to-skin contact that signals it's time for your next rep. This is a "core" exercise, great for developing those six-pack abs, but you'll never see it on late-night TV because A) it's too darn hard; B) there's no money in it.

Still, no need to give up hope. You too can develop the next ThighMaster. I mean, suckering suckers out of $19.95--how hard can it be?