반회전 반커트 서브… 손목 쓰면 절대 안 됩니다

Why does your half-long half-backspin serve keep failing? Most amateur players rely too much on the wrist. At Ping Pong Arena in Suwon, former player coach Jang Dongyoung explains: ✔ The real reason serves become “no-spin” ✔ Why forearm pull matters more than wrist action ✔ How to create cleaner spin and control ✔ Common mistakes amateur players make ✔ How to control short and long serves ✔ Practical match tips for club players Filmed at Ping Pong Arena in Suwon. #tabletennis #tabletennisserve #backspinserve #sidespin #pingpong #tabletennistraining #탁구 #donghwipingpong