ExPhysiology

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In ExPhysiology

June 29, 2015

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Updated consensus statement on hydration and hyponatremia published June 29 in Clinical Journal of Sport Medicine.

The dogma is pervasive: Dehydration is bad.

For more than a decade, a group of scientists from around the globe have been working to fight that doctrine. Their advice is simple: Drink only when you’re thirsty.

“Everybody has this little barometer in their brain that they were born with that measures the appropriate amount of sodium in your blood and the appropriate amount of water… Continue Reading

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Perish the Thought

By Lon Kilgore

In ExPhysiology, Rest Day/Theory

June 25, 2015

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Lon Kilgore explains how the pressure to publish has created libraries full of useless exercise-science publications.

Why doesn’t exercise science answer even the most basic questions about creating fitness?

In answer, many publications in recent years have pointed out problems in exercise science. Some of these pieces have been written without an understanding of the inner workings of modern academia, while some are written from within the belly of the beast.

Although it’s… Continue Reading

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Deadly Myth

By Andréa Maria Cecil

In ExPhysiology, Medical/Injuries

June 17, 2015

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Smart and athletic, Zyrees Oliver had a bright future washed away when widely accepted hydration advice ended up killing him. Andréa Maria Cecil investigates.

The words hung in the air: brain dead.

Only days earlier he was a strong, healthy, God-fearing 17-year-old who in little more than a year at his high school had become captain of the football team and boasted a 3.8 GPA. Zyrees Oliver planned to play college football… Continue Reading

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Dehydrated and Dominant?

By Emily Beers

In ExPhysiology

June 09, 2015

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New study shows mild dehydration has no effects on athletic performance.

Researchers from Brock University in St. Catharines, Ontario, have discovered new evidence that suggests being dehydrated doesn’t hinder athletic performance.

Stephen Cheung is the lead author of “Separate and Combined Effects of Dehydration and Thirst Sensation on Exercise Performance in the Heat,” published in the June 2015 volume of the Scandinavian Journal of Medicine and Science in Sports. The study… Continue Reading

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Brain Cramps?

By Hilary Achauer

In CrossFit Football, ExPhysiology

May 18, 2015

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Despite a wealth of scientific research on hydration and cramping, few athletes and coaches know anything about preventing and treating muscle cramps.

Trent Cole never knew when they were going to strike: Exercise-induced muscle cramps were a serious problem for Cole when the Philadelphia Eagles drafted the University of Cincinnati product in 2005. No matter what he tried or how much fluid he drank, he couldn’t stop the full-body muscle cramps.

“I hydrated as… Continue Reading

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Unfit to Print?

By Emily Beers

In CrossFit, ExPhysiology, Legal

May 12, 2015

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Affiliate owners explain how the publication of shoddy science affects their businesses and the CrossFit brand.

It was just one short paragraph, but those five sentences have become the basis of two lawsuits.

The peer-reviewed study “CrossFit-Based High Intensity Power Training Improves Maximal Aerobic Fitness and Body Composition” was published November 2013 in the Journal of Strength and Conditioning Research, the official journal of the National… Continue Reading

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In ExPhysiology

April 28, 2015

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Zachary Long takes a closer look at hip anatomy and identifies common dysfunctions that can limit CrossFit athletes.

(Corrects to give Brian Malloy credit for cover photo.)

The hips serve as the primary generator of force in the majority of movements performed in athletics, and this statement remains true for the exercises most commonly performed in CrossFit.

The pelvis, lumbar spine and core play a vital role in stabilizing the trunk to allow force to be… Continue Reading

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Ironman in Waterworld

By Emily Beers

In ExPhysiology, Medical/Injuries

April 21, 2015

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Years of being told to “hydrate, hydrate, hydrate” caused first-time Ironman athlete Dan Fontaine to overlook the dangers of overhydration.

He had been training for his first Ironman for 12 months. Dan Fontaine thought he had done everything right.

“The only problem was my plan had a big flaw,” 32-year-old Fontaine said almost five years later.

It never occurred to Fontaine that drinking too much during the race would dilute his blood-sodium levels to the… Continue Reading

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