ExPhysiology

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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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In ExPhysiology, Reference, Rest Day/Theory, Videos

February 05, 2010

Video Article

In front of a chalkboard for a discussion on exercise theory, Coach Greg Glassman suggests it’s possible certain muscles of the body can lift loads that can do damage to other parts of the body by compromising midline stability. To save us from ourselves, the body might short-circuit and fail before those loads severely injure an athlete.

For example, many people can lift one leg in an L-sit, but both legs fall to the floor… Continue Reading

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Adaptation for Fitness

By Dr. Lon Kilgore

In ExPhysiology, Reference

January 19, 2010

PDF Article

Intense CrossFit workouts improve your fitness—but how? Dr. Lon Kilgore explains how doing Grace can cause adaptive changes at the cellular level and result in improved performance.

Adaptation is not a new concept. We have known for hundreds of years that the human body, when presented with a sub-lethal physical, psychological or chemical stress, can adapt to the source of stress, allowing the body to tolerate incrementally larger similar stresses.

… Continue Reading

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Mobilizing the Hip

By Kelly Starrett

In ExPhysiology, Medical/Injuries, Videos

October 16, 2009

Video Article

Now with both parts!

Flexibility is one of CrossFit’s 10 fitness domains, but it’s often overlooked by athletes focused on sexier domains such as strength, power and endurance. In this video shot at CrossFit Santa Cruz, Kelly Starrett explains that a lack of mobility will hurt your performance just as much as poor cardio or a lack of strength.

Analyzing an athlete with hip and knee issues, Starrett shows exactly how poor flexibility limits what… Continue Reading

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Forcing the Issue

By Dr. Lon Kilgore

In ExPhysiology, Reference

September 24, 2009

PDF Article

If movement is the product of unbalanced forces across a joint, what does that mean for traditional agonist-antagonist strength ratios? Dr. Lon Kilgore believes training to conform to hypothetical ratios is impractical and will not result in greater functional fitness.

In most instances during exercise we want to create an unbalanced force across a joint or joints in order to create movement. But when we consider joint integrity… Continue Reading

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Ready State and Injury

By Kelly Starrett

In ExPhysiology, Reference, Videos

September 22, 2009

Video Article

In CrossFit, performance is king.

Capacity in all 10 fitness domains will result in high performance and health, which Kelly Starrett refers to as an “ideal ready state.”

Speaking at a special seminar held at CrossFit Santa Cruz on March 14, 2009, Starrett maintains that any deviation from the ready state because of injuries and chronic conditions results in a decrease in performance. Therefore, dysfunction simply represents undeveloped capacity… Continue Reading

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Solving Knee Problems, Part 3

By Kelly Starrett

In ExPhysiology, Medical/Injuries, Videos

September 08, 2009

Video Article

Kelly Starrett suggests more solutions to knee problems in Part 3 of a seminar held at CrossFit Santa Cruz on March 14, 2009. Starrett is the owner of San Francisco CrossFit and a Doctor of Physical Therapy.

According to Starrett, knee problems can sometimes be alleviated by creating slack in the system both “upstream and downstream.” By stretching hip flexors and calves and integrating foam rolling into your rehab, you can give a… Continue Reading

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