Dive into the intriguing concept of surface area in jiu-jitsu. Discover how applying force through a minimal surface area can create maximum pressure, illustrated by the 'shoulder of justice' crossface pin. Learn about the psychological tactics for outmaneuvering larger opponents while discussing various benefits of minimizing surface area. This episode blends physical insights with strategy, enhancing your understanding of pressure in the grappling art.
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insights INSIGHT
Pressure in Physics
Pressure, in physics, is force divided by surface area.
Maximize pressure by maximizing force and minimizing the contact area.
question_answer ANECDOTE
Knife vs. Spoon Analogy
A knife stab hurts more than a spoon stab due to the smaller surface area concentrating the force.
This example illustrates how smaller surface areas create higher pressure, even with equal force.
volunteer_activism ADVICE
Shoulder of Justice
In side control, maximize pressure by minimizing contact points, focusing force through smaller areas like the shoulder.
This 'shoulder of justice' technique delivers gravity's force through a small area for high pressure.
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In this week's mini-episode we explain the concept of surface area, or how much of your body is connected to your opponent when you apply force. You can create more pressure by applying maximal force through the smallest surface area. A classic example is the "shoulder of justice" side control crossface pin. We also discuss other benefits to minimizing surface area, and other types of pressure beyond the physics definition.
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