Because muscles needed a new look.
Learning about muscles is hard! It's not a jump-out-of-your-seat comedy show and, often, it's done by reading a dry textbook in a freezing classroom (could I make it sound worse?); most of the time it’s because you have to learn about the muscles and not because you want to. As trainers and coaches we want to get to the fun stuff. Am I right!?
It’s no surprise that the coaches we look up to know how the body works—from the brain to biomechanics—because somewhere along the way, they took an interest in learning the basics. Part of that foundational knowledge is basic human anatomy. Knowing about muscles is essential, and yet, we put it off and stomp away temper-tantrum-style when faced with learning insertions, origins, and actions.