This is a quick primer on how to use a heavy bag to improve the power in your kicks. Great for taekwondo stylists or anyone who does a lot of kicking.

Sang H. Kim explains how to use a side or back leg whip kick to kick your opponent in the head or face in taekwondo sparring.

Sang H. Kim teaches you how to use a jumping back kick to counter a roundhouse kick in taekwondo sparring. A fairly advanced technique but one that can score a knock down if done well.