Natsumi Tsunoda Wakana Koga

Japan got off to a roaring start as the 2021 World Judo Championships began Sunday in Budapest, Hungary. Natsumi Tsunoda defeated Wakana Koga to capture the women's 48 kg class in an all-Japanese finals. After running an armbar clinic on her early round foes, Tsunoda showed her standing game against Koga scoring a wazari (half point) with a sacrifice throw and another wazari on a counter throw to claim the gold.

On the men's side, Yago Abuladze became the first judoka from Russia to win a world championship in a decade as he too scored a pair of wazari to defeat Gusman Kyrgyzbayev of Kazakhstan in the 60 kg finals. Technically, it was not a gold for Russia as Abuladze was competing under the banner of the Russian Judo Federation while the nation of Russia remains under a four year ban from all international sports by the World Anti-Doping Agency.

Black Belt Magazine has a storied history that dates back all the way to 1961, making 2021 the 60th Anniversary of the world's leading magazine of martial arts. To celebrate six decades of legendary martial arts coverage, take a trip down memory lane by scrolling through some of the most influential covers ever published. From the creators of martial art styles, to karate tournament heroes, to superstars on the silver screen, and everything in between, the iconic covers of Black Belt Magazine act as a time capsule for so many important moments and figures in martial arts history. Keep reading to view the full list of these classic issues.

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Visualize, the fight begins. You go into your defensive stance. You spend about 30 seconds moving around looking for an entry point or angle to punch, kick, or lock up and take down your opponent. You find the point and throw an explosive punch. Your opponent blocks it. You go back into your defensive stance and wait to find another opportunity. Or, let's say in jiu-jitsu, you spend 2 minutes in the mount or guard position waiting to find the opportunity to execute the right technique with speed and explosiveness.

Punch faster, kick quicker, throw harder. Yes, these are all important to develop in your martial arts. However, martial arts and jiu-jitsu are not predominantly explosive sports. They are sports that use explosive techniques that have bursts of speed from their aerobic base. And, if your aerobic base has no strength, no foundation, then it affects your endurance, explosiveness, and speed. After you perform an explosive fast technique like a kick or throw without success, where do you have to return, to your aerobic base.

Let's understand the three different energy systems so you can comprehend their integration into martial arts.

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Fighting two or more attackers, even if they are unarmed, is a "worst case scenario." However, as with any conflict, there are rules that can help you survive it. Here are six of them that you must commit to memory.

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