Alex Voit on Instagram: "A heel hook is not just about placing your heel🧗 To make it work, you need to activate your posterior chain — mainly the glutes and hamstrings. 👉 One leg actively pulls with the heel, bringing the body closer to the wall. 👉 The other leg stays active as a back flag, controlling balance. 👉 Arms stay straight — no pulling. They only support the position. If the heel is passive, you’ll automatically start pulling with your arms. Want to climb more efficiently and save e