Less Efficient vs. More Efficient Ways to Block the Muay Thai Roundhouse Kick⁣ ⁣ The Muay Thai roundhouse kick, when done correctly, is one of the most powerful kicks in any martial art. The main striking surface is the shin, not the foot. Since the leg is stronger than the arm, if you try to block this kick with your arm, there’s a good chance you’ll break or badly injure it.⁣ ⁣ That’s why you defend the kick with your leg — when done properly, it can even hurt the attacker.⁣ ⁣ One key differen