CrossFit | Essentials

ESSENTIALS

The CrossFit stimulus—constantly varied high-intensity functional movement coupled with meat and vegetables, nuts and seeds, some fruit, little starch, and no sugar—prepares you for the demands of a healthy, functional, independent life and provides a hedge against chronic disease and incapacity. This stimulus is elegant in the mathematical sense of being marked by simplicity and efficacy. The proven elements of this broad, general, and inclusive fitness, in terms of both movement and nutrition, are what we term our CrossFit Essentials.

Over his more than 40-year career, pediatric neuroendocrinologist and New York Times bestselling author Dr. Robert Lustig has been dedicated to treating and preventing childhood obesity and diabetes. In his new book, Dr. Lustig exposes the truth, both scientifically and politically, underlying the current global pandemic of diet-related diseases. In this excerpt from chapter 8, he describes the two pathways that fuel energy metabolism and explains how different food sources affect the body at the cellular level.

Read MoreMetabolical: The Lure and the Lies of Processed Food, Nutrition, and Modern Medicine — Excerpt 2

Over his more than 40-year career, pediatric neuroendocrinologist and New York Times bestselling author Dr. Robert Lustig has been dedicated to treating and preventing childhood obesity and diabetes. In his new book, Dr. Lustig exposes the truth, both scientifically and politically, underlying the current global pandemic of diet-related diseases. In this excerpt, he explains how the precepts of cell biology discussed earlier in chapter 8 (excerpts 1 and 2) present a new way to think about the role of diet and nutrition in the development of non-communicable diseases.

Read MoreMetabolical: The Lure and the Lies of Processed Food, Nutrition, and Modern Medicine — Excerpt 3

Over his more than 40-year career, pediatric neuroendocrinologist and New York Times bestselling author Dr. Robert Lustig has been dedicated to treating and preventing childhood obesity and diabetes. In his new book, Dr. Lustig exposes the truth, both scientifically and politically, underlying the current global pandemic of diet-related diseases.

Read MoreMetabolical: The Lure and the Lies of Processed Food, Nutrition, and Modern Medicine — Excerpt 1

“The most important thing is that they show strength throughout the entire range of motion before they can just chuck a muscle-up,” Alexandra Lachance said. “The athlete needs to be able to do strict pull-ups and ring dips before we start thinking about muscle-ups. They also need to be able to hold themselves in every single position of a muscle-up, meaning they have to be able to do a static hold at the top of the ring dip and the bottom of the ring dip, and they need to be able to hold their chest at the rings.”

Read MoreInconsistent on the Rings?