I want to know the best technique for a powerful and quick punch, and ways to practice it. What are the best muscles to workout for a good powerful punch

thanks

forearm and wrist,

Chest, triceps and shoulders

I think a karate school would have the answer.

you dont need to punch anyone.....and it definately doesnt have to be deadly.

I want to know the best technique for a powerful and quick punch, and ways to practice it. What are the best muscles to workout for a good powerful punch

thanks