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The Zone Diet can help you achieve wellness—freedom from disease and inflammation—but it can also help you smash PRs.

In Part 8 of Dr. Sears’ presentation on Aug. 8, 2009, in Orange County, Calif., the creator of the Zone Diet talks about how proper nutrition has worked for elite athletes. From NFL and NBA players to Olympians, top athletes have found that following the Zone Diet can help them to longer careers, PRs, gold medals and world records.

“These are… Continue Reading

On April 22, 2009, Coach Glassman gave a presentation to the Officers and Staff Non-Commissioned Officers of the 3d Marine Division in Okinawa, Japan. Major General Robert Neller extended the invitation to increase the unit leaders’ knowledge of fitness, injury mitigation, and overall combat preparedness.

In part 1, Coach Glassman begins by speaking of his early influences. His father is an engineer who once made him precisely measure the… Continue Reading

Robb Wolf is the co-owner and founder of CrossFit NorCal. He has also been studying nutrition for a long time and offers nutrition seminars all over North America.

In this video, which is a basic introduction to the Zone, Robb explains that the most acute benefit of the Zone approach to food is the accuracy and precision with which food is consumed.

There are three macronutrients that greatly affect the workings of… Continue Reading

FilFest 09 was CrossFit’s annual affiliate gathering, which took place on February 7th and 8th, 2009 in Austin, TX. In a question and answer session on Sunday the 8th, Coach Greg Glassman gives the crowd of a few hundred affiliates a brief on CrossFit’s new definition of health.

This material has been covered already in a thorough explanation of the volume of work capacity sustained throughout life, and in his presentation to the … Continue Reading

Jeff Glassman lectured about the nature of science itself at the Science of Exercise seminar on April 25th, 2009. Some have said that science is like love in that we can’t define, but we know it when we see it. Jeff disagrees. There are certain criteria that differentiate science from non-science, and it’s essential to identify them.

Key terms are defined, such as models, measurement and prediction, conjecture, hypothesis, theory… Continue Reading

Coach Glassman presented CrossFit to the American Society of Exercise Physiologists (ASEP). In preparation for that event, Lon Kilgore, PhD wrote:

On April 3rd, 2009 CrossFit will be introduced to the academic exercise physiology community at the American Society of Exercise Physiologists national conference to be held on the campus of Midwestern State University in Wichita Falls, Texas.

The intellectual foundations and practical applications of CrossFit will be… Continue Reading

In CrossFit and in life, we go overhead. Kelly Starrett, of San Francisco CrossFit, explains the essential anatomy and physiology of the shoulder in this excerpt from his one day seminar at CrossFit Santa Cruz on November 9, 2008.

The shoulder is designed primarily for mobility. There are a number of forces that rotate it internally, while there are relatively few forces rotating externally. Balancing the shoulder so… Continue Reading

Jimmy Baker started training with Greg Glassman in the late 90’s at Spa Fitness Center in Santa Cruz, CA. He is now one of owners of, and trainers at, CrossFit Santa Cruz Central.

Back then, as is common today, CrossFit didn’t fit well within a traditional globo-gym like Spa. Even thought the Glassmans were the most successful trainers in the gym, they were eventually kicked out for being incompatible. Unfortunately for… Continue Reading