Join Chris McDonald (CF-L4) as he works with an athlete named Aaron during his fifth and final new athlete introductory session at CrossFit X-Factor in Portland, Oregon. In this video, Chris works with Aaron on the muscle-up. Why does Chris create the progression he does? Why does he selectively ignore elbow lockout until the end of the session? And how many practice reps does Chris utilize in this teaching progression? Learn the answers to these questions and gain insight into a professional coach’s thought process and strategy as you watch the video.