What is the most extreme workout?
What is the most extreme workout? Murph. Quite possibly the most brutal CrossFit workout in existence, “Murph” is one super-intense bootcamp for your cardiovascular system. It involves running one mile, doing 100 pull ups, 200 push ups, and 300 squats and running another mile—all while wearing a 25-lb weighted vest. Is 20 minutes of intense […]