Grappling Primitives
Explore and learn grappling concepts through interactive modules, visualizations, and training tools.
Featured Modules
All Modules
2×2 Matrix
Explore and compare grappling concepts across mental/physical and self/opponent axes.
Flash Cards
Study and review techniques with interactive flash cards.
Games Hub
Interactive games including memory, centroid, and pressure scenarios.
Training Hub
Plan sessions, track progress, and manage your training schedule.
Training Calendar
Track your training sessions and progress over time.
Coach Tools
Tools for coaches to plan classes and manage training data.
Skill Assessment
Assess your grappling knowledge with interactive quizzes.
Articles
Read and explore curated articles on grappling techniques and concepts.
Research Studies
Access academic research papers and studies on grappling.
Weight Class Tool
Calculate and explore BJJ weight class divisions.
Belt Dropout
Visualize belt progression and dropout rates.
Breathing Cycles
Practice breathing techniques for grappling.
Stories
Explore visual stories and narratives.
Beyond Offense and Defense
Visualize the progression from worst to best position in a match.
Visual Notes
Visual notes I took over the years
Gif Training
10+ years of gif made and collected over the years as dynamic visual reminders