Badminton game does require players to have a good physical. Agility, Speed, Accuracy and balance of body movement is in priority. Among the most draining thing in this sport include Smash Punch.
Many novice players who complained that he was difficult to hit a smash with a good (read: loud and sharp) when the whole force he has put into it. So here need to know that badminton is not a game solely because of muscle and arm strength, but badminton is a sport that requires precision and speed if the wrist. Therein lies the key.