How do people generate so much power on forehand throws?

Basically just the question in the title... When I throw backhand, I am coiling my whole body, then rapidly uncoiling while extending my arm at full length. With forehand, there's no coil and barely even any arm movement, and yet it seems most people throw forehand and backhand about the same distance. My forehand is much shorter than my backhand, so I must be doing something wrong.