Lucas box jumping.
CrossFit works. "How it works" or "why it works" is not as important as "that is works". Do the food, come in regularly and you will get fit. It's not a complicated approach, albeit a challenging one. Making change isn't magic it's just plain hard work.
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Workout:
For 60 minutes:
Practice Backwards roll to support on the rings
Programming note. We will also be running an obstacle course!