These no equipment CrossFit workouts are great for getting some exercise on a day you can't get to the gym. Remember some exercise is better than no exercise!
The Workout
50 push-ups, 75 air squats and 25 burpees.
10 vertical jumps followed by a 400 meter run
250 jumping jacks
run for a half mile then complete 50 air squats
100 air squats