Brazilian Jiu Jitsu

Learn how IBJJF age divisions work for kids, juveniles, adults, and masters, including the birth-year calculation and registration caveats.

Learn BJJ rules and scoring basics, including points, advantages, penalties, submissions, IBJJF-style scoring, and beginner competition tips.

Learn IBJJF no-gi rules for beginners, including scoring, uniforms, weigh-ins, legal techniques, and competition strategy.

Use this BJJ gi size chart to choose the right A, F, or W size, then adjust for body type, brand fit, shrinkage, and competition rules.

Learn IBJJF gi rules for competition, including uniform colors, fabric, measurements, belt rules, patches, under-layers, and inspection issues.

The kimura lock is a shoulder joint submission that rotates the arm behind the back, applying pressure to the shoulder

Learn the BJJ points system with an IBJJF-style scoring chart, examples, advantages, penalties, and beginner strategy.

Start BJJ with positions, escapes, guard basics, passing concepts, and a first-month roadmap instead of chasing random submissions.

BJJ is Brazilian Jiu Jitsu, a ground-focused grappling art. Jiu jitsu is a broader term that can also mean Japanese jujutsu or traditional self-defense systems.

“OSS” (also written as “Oss”) is a term of acknowledgment, respect, and encouragement used widely in Brazilian jiu-jitsu and other