Position before pressure
BJJ uses leverage, balance and positional awareness to create controlled technical options.
Independent Brazilian jiu-jitsu field guide
A practical, plain-language guide to Brazilian jiu-jitsu for curious beginners and thoughtful practitioners.
About this site
Open Mat Field Notes is an independent educational guide for people who want a clearer starting point for understanding Brazilian jiu-jitsu.
Published at zebmckinnonbjj.com, it is not an academy, booking service or instructor directory. Its content contains no biography of, claims from, or endorsement statements by an athlete, coach, academy or governing body.
BJJ basics
Brazilian jiu-jitsu is a grappling martial art centered on positional control and submission techniques. Training formats vary by school and instructor.
BJJ uses leverage, balance and positional awareness to create controlled technical options.
Instruction, focused repetition and partner drills are common ways practitioners develop movement skills.
Clear rules, communication and care for training partners support responsible practice.
Before training
Before joining any program, ask for current information and make sure the environment suits your experience, goals and needs.
Who will teach and what qualifications or affiliation they hold
Whether the class level and participation requirements fit your needs
The current schedule, location, fees and cancellation conditions
The safety, hygiene, supervision and injury-response practices
Content enquiries
Editorial questions, correction requests and privacy enquiries can be sent to the contact below.
This contact is for the website only. No training, booking, membership, payment or in-person service is offered here.
Useful answers
No. It is an independent educational resource and does not advertise or provide instruction, memberships or events.
No. The publication contains general BJJ education rather than a biography, profile or statements made on behalf of an athlete or coach.
No. The site has no booking, enrollment, membership or payment functionality.