Mahiro here is practicing the Kankudai (or Kanku Dai depending on which hastily-googled page you're looking at), one of the more advanced routines in karate.
Look at 'em go! Little Van Damme's, the whole lot of them! And we even have them in GIF form thanks to the folks at I Hate My Parents:
A Comic Explaining The World of The Introverts
Dad Finds The Best Way to Keep His Kids Busy For a While
Hey, They Save You The Cost of Buying Some Expensive Toy
A Dubstep Street Performer Meets His Match in This Passerby
Redneck Engineering: It's Not Dumb if it Works
Only in College...
German Shepherd Hilariously Wakes Up from Deep Sleep
Can I Start Buying Midnight Tickets Now?
This 11-Year-Old is Hiding a Cool Talent
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