Yes, you kick with the ball of your foot. I misunderstood what my sensei was telling me when he said you have to curl the toes back. The kick takes a lot of leg strength, it's as simple as that. A round house in sports TKD is much easier to do and a lot faster, and it's what I'm use to. I've never been in a classical system before that's so serious about getting every kick, movement, stance, just perfect. My sensei corrected my posture, punches, kicks, stances, blocks, everything tonight. I know I can kick my way throuygh this style, but mastering proper form in another story altogether. I personally prefer the sports TKD round house over the classical. It takes less technique, time, and effort. lol