One move I Never Skip, even at age 54. And neither should you. #pullups #backworkout #challenge

Everything you learned about the biceps in anatomy class is only half the story. 💪 Traditional anatomy teaches you where a muscle is. Functional anatomy teaches you what it actually does when your body is moving in the real world — and those two things aren't always the same. Classic textbooks describe the biceps brachii simply: it flexes the elbow and supinates the forearm. But fix the hand in place — like when you're climbing, pushing, or holding onto something — and that same muscle complete