ExPhysiology

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Getting Some Leverage

By Dr. Lon Kilgore

In ExPhysiology, Reference

May 01, 2010

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Dr. Lon Kilgore says paying attention to simple mechanics can help great coaches improve technique and get better results in the CrossFit box.

The human body is a complex system of levers that enables us to perform everything from very basic to extremely complex movements. Individually, levers are simple machines, and we can think of the body as a collection of machines.

During exercises, we want to use the levers… Continue Reading

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A Day in the Life of a Starr

By Sevan Matossian

In Coaching, ExPhysiology, HD Videos

April 11, 2010

Video Article

Nothing is ordinary about a day in the life of Kelly Starrett. Whether he’s helping fine-tune one of the world’s fittest men or running an outdoor-only CrossFit gym in San Francisco, Starrett is one interesting guy with an incredible depth of knowledge about human movement.

Starrett’s doctorate in physical therapy lends him credibility, but it’s his deep background in training that keeps people returning to his gym and attending his Mobility and Recovery… Continue Reading

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If the Shoe Fits …

By Richard Grimes

In Equipment, ExPhysiology

April 09, 2010

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Athletes have a host of footwear choices for WODs. Richard Grimes surveys experts and top athletes to determine what their advice means in a GPP fitness program.

I remember the first time I thought about the importance of shoes in CrossFit.

I was in my garage looking for my shoes so that I could work out. I had been looking for 20 minutes already and I was itching to get started on my box jumps. When… Continue Reading

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In ExPhysiology, Nutrition, Reference, Videos

April 04, 2010

Video Article

On March 12, 2010, Coach Greg Glassman and a small crew visited Dr. Scott Connelly in the Los Angeles offices of Progenex. The intent was to tap into Dr. Connelly’s vast knowledge of metabolism, particularly as it relates to long-term fitness and health.

The result was over 90 minutes of education about the relationships among glucose, insulin, ATP, protein, body weight and health. This is a dense, fast-moving presentation worthy of multiple viewings. Topics include:

* Why a… Continue Reading

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Moved to Mate?

By Dr. Steven M. Platek

In ExPhysiology, Rest Day/Theory

March 25, 2010

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Dr. Steven M. Platek presents a scientific argument in support of the idea that naturally designed movements produce naturally attractive physiques.

Evolution has favored certain movements in different animals because those behaviors have produced two essential outcomes for possessors of the requisite species-specific movements: survival and reproduction—more specifically, being selected as a mating partner.

For example, the kangaroo and the rabbit (or hare) hop. Big cats (lions… Continue Reading

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Running the Wrong Way?

By Dr. Lon Kilgore

In ExPhysiology, Running

March 17, 2010

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Modern running shoes feature heels packed with cushioning technology—but Dr. Lon Kilgore wonders if they prevent the foot from functioning as it was designed.

The basic structure of the human foot has not changed significantly for some four to five million years. We have supporting arches that carry the weight of the entire body and virtually any load placed upon it. The many joints comprising the arches are quite well endowed with a… Continue Reading

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Rebuilding Khalipa: Part 1

By Kelly Starrett

In ExPhysiology, Medical/Injuries, Videos

March 02, 2010

Video Article

Jason Khalipa may not be working at his full capacity—and how scary is that?

The 2008 CrossFit Games champ clearly has the capacity to do a lot work very quickly, and he’s incredibly strong. He’s also very inflexible, and how much better would his performance be if he could achieve more favorable starting positions and didn’t have to waste energy working against tight muscles?

On the table at San Francisco CrossFit, Khalipa is evaluated by… Continue Reading

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Erin Cafaro Learns to Run: Part 1

By Dr. Nicholas Romanov

In ExPhysiology, Running, Videos

February 26, 2010

Video Article

Imagine finishing a prolonged run, retiring for the evening and feeling nothing but enjoyment—no injuries, no pain. This is what Pose Method creator Dr. Nicholas Romanov hopes for his athletes.

Erin Cafaro is one of the world’s best on-water rowers. In a private session at the University of San Diego, Dr. Romanov teaches her how to run by practicing correct posing and working with nature and gravity. Movement is the alternation… Continue Reading

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