The Beginner Plan begins by activating movements you haven't practiced since you were a kid in gym class. It might look like an ape walk, but really you're loving your neglected joints when you squat and put weight on your fists! The same is true of crab walks, bear walks, inchworms, and lizards. We aren't obsessed with silly walks, but we are obsessed with getting your body to move in the ways it was meant to move.
It's safer for neglected joints than lifting weights, because it accesses greater ranges of motion using only your bodyweight. It may take a few months of silly walks to bring blood flow and strength into your soft tissues, but it will be worth it when you feel youthful again. Here's a few samples of how it works: