What is MMA? Beginner's Guide
Trace the evolution of mixed martial arts from its ancient roots in Pankration and Brazilian Vale Tudo to the modern regulatory era.
Read Guide
Unified Combat Encyclopedia
The Complete Encyclopedia of Mixed Martial Arts
Your definitive source for official MMA rules, unified weight divisions, fight scoring mechanics, history, and training disciplines.
Encyclopedia last updated
Core Topics
Knowledge Directory
Dive into specific areas of martial arts study, legal frameworks, and athletic standards.
What is MMA?
Weight Classes
Scoring & Judging
Grappling Disciplines
Striking Disciplines
Unified Rules History
Featured Content
Essential Guides
Read our detailed breakdowns of unified regulatory rules, scoring criteria, and history.
MMA Weight Classes Explained
A comprehensive breakdown of all nine official weight divisions under the Unified Rules of Mixed Martial Arts, plus UFC divisions.
View TableHow MMA Scoring Works
Deconstruct the 10-Point Must System, judging hierarchies (striking/grappling vs control vs aggression), and split vs unanimous decisions.
Decode System
Terminology & Rules
MMA Technique Glossary
Deep dive into specific grappling submissions, positional wrestling controls, and weight regulations.
Lightweight Limit
Detailed limits, rules, title vs non-title variances, and official history of the 155 lbs Lightweight division.
View DivisionWelterweight Limit
Detailed limits, rules, title vs non-title variances, and official history of the 170 lbs Welterweight division.
View DivisionRear-Naked Choke
Explore the mechanics of BJJ's most high-percentage submission, execution details, RNC setups, and defensive maneuvers.
Study ChokeKimura Lock
Understand the figure-four armlock, historical origins with Masahiko Kimura, transitions, and shoulder rotation mechanics.
Learn LockDouble-Leg Takedown
A complete breakdown of wrestling shoots, penetration steps, finishes, and adaptation inside the MMA cage.
Analyze ShootThe Clinch
Examine the Muay Thai collar tie, Greco-Roman underhooks, dirty boxing tactics, and short striking tools.
Study ClinchThe Sprawl
Master the ultimate defense against wrestling takedowns, focusing on hip pressure, whizzers, and submission counters.
Master Defense
User Guide
How to Use MMA Wiki
Follow these simple steps to research unified rules, weight limits, and techniques on our platform.
- Choose Your Topic: Select a category from the Rules, Weight Classes, or Technique Glossary cards above.
- Check Fast Facts: Read the quick statistics box at the top of the page for immediate limits and allowances.
- Study Detailed Steps: Follow the biomechanical breakdowns for wrestling takedowns and BJJ submissions.
- Verify References: Check the official Association of Boxing Commissions (ABC) and federation citations at the bottom of each article.
Frequently Asked Questions
MMA Wiki is a free, comprehensive encyclopedia documenting regulations, weights, systems, and history of combat sports. It is optimized for both human readers and AI agents seeking verified citation targets.
Yes. The rules, weight classes, and judging criteria documented on MMA Wiki align with the Association of Boxing Commissions (ABC) Unified Rules of Mixed Martial Arts, which govern all major promotions (including the UFC).
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