Forget all those broken boards and crumbled concrete slabs. No feat of martial arts is more impressive than Bruce Lee’s famous strike, the one-inch punch. From a single inch away, Lee was able to muster an explosive blow that could knock opponents clean off the ground. Lee mastered it, fans worldwide adored it, and Kill Bill "borrowed" it. But if you’re like us, you want to know how it works.
While the biomechanics behind the powerful blow certainly aren’t trivial, the punch owes far more to brain structure than to raw strength.