ExPhysiology

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CrossFit Radio Episode 199

By Justin Judkins

Audio Article

On Episode 199 of CrossFit Radio, host Justin Judkins interviewed CrossFit A.C.T. owner Bill Shockley and Pepperdine University professor Dr. Cooker Perkins. This episode was webcast live at 6 p.m. PDT on Wednesday, Nov. 23, 2011.

The Workout of the Week (WOW) is from CrossFit L.A.’s website:

In 3 minutes, complete the following:
Run 200 meters
135-lb. thrusters, max reps
Rest 2 minutes
In 6 minutes, complete the following:
Run 400 meters
… Continue Reading

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The Position: Part 4—The Ring Push-up

By Kelly Starrett and Carl Paoli

In Coaching, ExPhysiology, Exercises, Videos

April 28, 2011

Video Article

This video series provides a fresh look at skill-transfer exercises and midline stability, combining the powers of Kelly Starrett and gymnast Carl Paoli. Both San Francisco CrossFit coaches add their expertise to refine basic CrossFit movements with the aim of improving power output.

In Part 4, the push-up is taken to the rings, where the support or finish position externally rotates the shoulders. Getting organized with a tight belly and squeezed butt is essential to hold… Continue Reading

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The Position: Part 3—The Push-Up

By Kelly Starrett and Carl Paoli

Video Article

This video series provides a fresh look at skill-transfer exercises and midline stability, combining the powers of Kelly Starrett and gymnast Carl Paoli. Both San Francisco CrossFit coaches add their expertise to refine basic CrossFit movements with the aim of improving power output.

In Part 3, the pair refines the push-up to transfer better shoulder position to other movements, such as Olympic lifting. The proper, organized set-up allows for torque through… Continue Reading

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The Position: Part 2—The Burpee

By Kelly Starrett and Carl Paoli

Video Article

This video series provides a fresh look at skill-transfer exercises and midline stability, combining the powers of Kelly Starrett and gymnast Carl Paoli. Both San Francisco CrossFit coaches add their expertise to refine basic CrossFit movements with the aim of improving power output.

In Part 2, the burpee is refined as a skill-transfer exercise.

“Here is another classic CrossFit exercise that ends up being a fantastic conditioning tool,” Starrett says.

The straight jump of the burpee demonstrates “The… Continue Reading

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The Position: Part 1—The Double-Under

By Kelly Starrett and Carl Paoli

Video Article

This video series provides a fresh look at skill-transfer exercises and midline stability, combining the powers of Kelly Starrett and gymnast Carl Paoli. Both San Francisco CrossFit coaches add their expertise to refine basic CrossFit movements with the aim of improving power output.

“The goal is to take the very basic things that we do that are simple to see and understand and then translate them into the fun stuff,” Paoli says.

According to Starrett, the easiest way… Continue Reading

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Journal Club: Insulin and Exercise

By Dr. Jonathan Gary

In ExPhysiology, Kids, Reference

March 14, 2011

PDF Article

Dr. Jonathan Gary offers an introduction to the cell biology behind increasing glucose uptake into cells.

For readers who previously subscribed to the CrossFit Kids Magazine, this article will be another in the series I’ve written trying to explain the basic scientific research that supports the benefits of exercise, both for the mind and body.

I call this series “Journal Club” from my time in graduate… Continue Reading

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In CrossFit, ExPhysiology, Kids, Videos

February 02, 2011

Video Article

“So it might be pretty obvious that CrossFit is all about (the) musculoskeletal system, cardiorespiratory system, but what isn’t as obvious is the effect of exercise on the brain,” says Dr. Jon Gary, a member of CrossFit Kids. According to Dr. Gary, CrossFit Kids gives us a unique opportunity to enhance a child’s brain development.

“CrossFit Kids cross-trains the brain,” he says.

Dr. Gary’s aim is to help children move better through CrossFit Kids and help develop… Continue Reading

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The Athletic Hip

By Dan Hollingsworth

In ExPhysiology, Reference

November 22, 2010

PDF Article

The hip is essential to elite performance. Dan Hollingsworth explains how this complex joint works.

An easy case can be made for the hip being the most important anatomic region in all athletic endeavors. Before this argument can be made, we must have a clear picture of the anatomic structure and biomechanics of this complex region.

The true hip joint, otherwise known as the “coxofemoral joint,” is the articulation between the femur (the long… Continue Reading

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