Greg Glassman - BSI Phoenix Feb 2023

Greg Glassman - Broken Science Lecture

Greg Glassman - Boulder, 2022

BSI Founder Greg Glassman addresses a crowd at a CrossFit affiliate gym in 2022.

Modern Science

by Greg Glassman Modern science is source and repository of man’s objective knowledge. [MS001] Scientific knowledge is siloed in models. […]

The Three-Dimensional Definition of Fitness and Health

Coach Glassman unifies fitness and health with this revolutionary new component, a 3D model.

Understanding CrossFit

The aims, prescription, methodology, implementation and adaptations of CrossFit are collectively and individually unique, defining of CrossFit, and instrumental in our program’s successes in diverse applications.

Scaling Professional Training

Training with the attention and commitment that we bring to our practice, though fun and immensely rewarding, is also draining, and five appointments per day is about all we could handle without an unacceptable…

Professional Training

My clients are my top priority and their successes are my life’s work—I am a professional.

Fundamentals, Virtuosity and Mastery

In gymnastics, completing a routine without error will not get you a perfect score, the 10.0—only a 9.7. To get the last three tenths of a point, you must demonstrate “risk, originality and virtuosity” as well…

Garage Gym II - The Revolution

We revisit the CrossFit garage-gym concept to report on the successes of what may be hundreds of CrossFit start-up gyms and the aspirations and motivations of the people behind them.

The New Girls

This month we introduce six new beauties, “Isabel, Jackie, Karen, Linda, Mary, and Nancy.” You will certainly be seeing them in the lineup.

Meal Plans

Exercising without any regard to nutrition is similar to only having “one oar in the water.” Sound nutrition, obtained from a high-quality diet in optimal quantities—as determined by the individual—provides the nec…

Handstands

Handstands, hand walking, and pressing to the handstand are critical exercises to developing your athletic potential and essential components to becoming fit.

Nutrition: Avoiding Metabolic Derangement

An introduction to the ongoing diet wars.

Benchmark Workouts

The design and crafting of workouts is CrossFit’s primary concern. Factors like impact, motivation, perception, recovery, and timing combine with decades of experience seasoned by luck and intuition to create our d…

The Deadlift

The deadlift keeps company with standing, running, jumping, and throwing for functionality but imparts quick and prominent athletic advantage like no other exercise.

Pull-ups

Interesting, intelligent, useful information about the pull-up is not easy to come by.

Functionality and Wall Ball

We see the bulk of human action as being composed of a limited number of irreducible fundamental movements. These fundamental movements we call functional. They include, but are not limited to, squatting,…

Metabolic Conditioning Glossary

Definitions of key concepts, such as VO2 max, lactate threshold and more.

Metabolic Conditioning

In this issue we’ll look at the distinctions between aerobic and anaerobic exercise in detail, and examine interval training.