Biomechanics of the Rubber Guard
The Rubber Guard system is controversial because many people feel…
Grappler’s Guide To Knee Injuries
The most common questions I get involve people looking for an injury diagnosis. Accurate diagnosis…
Can You Return To Training Without An ACL?
Many Jiu Jitsu practitioners are skeptical of heel hooks, not because of their effectiveness, but…
The Science Of Knock Outs
In combat sports a fighter's goal is to render their opponent unconscious while minimizing damage…