Field notes from the mat

Journal

Long-form essays from the Imperial Ground coaching team. Four pillars: longevity, starting out, wellbeing, and movement-as-medicine.

Pillar 1 · Longevity

BJJ as Longevity Training

Why a martial art that looks intense from the outside is one of the most sustainable training methods available after 35, and how the Imperial Ground curriculum is designed for the next thirty years, not the next thirty months.

~9 min readRead →
Pillar 2 · Starting Out

Starting BJJ in Düsseldorf

A plain guide for someone who's never trained any martial art, written for the specific reality of being a beginner in this city. What to expect on day one, how to choose between Gi and No-Gi, what's actually in the bag, and the questions nobody asks out loud.

~10 min readRead →
Pillar 3 · Wellbeing

Wellbeing Through Community

The mental-health argument for BJJ has been made, badly, a thousand times. Here's the version we actually believe, about why a community that knows your name and watches you struggle is medicine that no app can replicate.

~8 min readRead →
Pillar 4 · Movement

Movement-as-Medicine

The grappling positions in Brazilian Jiu-Jitsu are also the positions of getting up off the floor when you're 70. A look at why "training" and "ageing-well practice" are increasingly the same conversation, and what BJJ specifically does that other sports don't.

~9 min readRead →
Safety · Injuries

Is BJJ Dangerous? What the Research on Injuries Really Says

How often do people get hurt in BJJ, and where? Figures from studies of over 2,000 practitioners, honestly explained. Plus: chokes and hygiene.

~11 min readRead →
Safety · Chokes

Chokes in BJJ: How Dangerous Are They Really?

How fast does a choke work, and how often does it cause serious harm? What the studies show, where they fall short, and the two rules we train by.

~6 min readRead →
Belts · Blue Belt

How Long Does It Take to Get a Blue Belt in BJJ?

How long does it take to go from white to blue belt in BJJ? An honest range, the IBJJF rules, and what we look for before we promote anyone.

~8 min readRead →
Research · Overview

What BJJ Really Does: The Research at a Glance, Honestly Rated

Is BJJ good for you? We reviewed 159 papers on BJJ and related combat sports: what is well supported, what is only an early hint, and what is not.

~16 min readRead →
Fitness · Body Fat

BJJ for Weight Loss? What Studies Show About Fitness and Body Fat

Can you lose weight with BJJ? What studies show on endurance, body fat and calories, and why you don't need to get fit before you start.

~9 min readRead →
Women's Class · Düsseldorf

BJJ for Women in Düsseldorf: What to Expect in the Women's Class

Brazilian Jiu-Jitsu in a room with only women: Thursdays at 18:00 in Düsseldorf-Derendorf, with Coach Anke, beginners welcome. Your first class is free.

~8 min readRead →
Starting Out · After 40

BJJ After 40: Am I Too Old to Start?

Starting BJJ at 40, 50 or 60? What studies on older adults and injury risk show, where they fall short, and how to start with control.

~10 min readRead →
Starting Out · The First Weeks

Uncomfortable Is Good: Why People Stay in BJJ

The first weeks of BJJ are rarely comfortable. What the studies say, where they fall short, and how we make your first weeks easier.

~8 min readRead →
Mental Health · Research

BJJ or CrossFit: Which Does More for Your Mental Health?

Which is better for your mental health, BJJ or CrossFit? What the first head-to-head study found, what it cannot show, and what we take from it.

~8 min readRead →
Research · Trauma and Stress

BJJ, Trauma and Stress: What Early Studies Show and What They Don't

What small studies of veterans and first responders report about BJJ and stress symptoms, why they prove little, and why BJJ is not therapy.

~8 min readRead →
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