A man in matrial arts outfit prepares and kicks two tile out from under a  balanced concrete block then smashes two tiles held on either side of him with punches.
A group of people are doing karate, they are hitting cement blocks and wood.
A man is doing karate techniques by kicking blocks and wood breaking.
Various men in a martial arts studio are shown breaking bricks and wood blocks.
A man spin kicks a board between two cinderblocks then a man breaks a board with his fist and elbow
A martial arts person kicks and breaks a piece of wood then another punches and breaks two pieces of wood.
Karate masters take turns demonstrating how to break things with their fists.
Adults kicking and hitting boards in karate class with rock music playing.
A man does a martial arts spinning jump kicking two boards from between cinder blocks, then breaks two boards with his fits and elbow.
A man kicks a wooden block with his feet to break it.