I don't do cross fit nor want to but this is a great informational sheet since I have been incorporating some of these into my high intensity parts of my workouts to avoid the cardio machines all together
Burn 100 Calories in 10 Minutes! : People often say that they don't have time to exercise, but I disagree. Everyone can spare 10 minutes a day to work out. One of my personal goals is to do something active every day, even if it's just for 10 minutes.