CrossFit | Efficacy

EFFICACY

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.

Blindness, homelessness, addiction, cancer, diabetes — veteran Charles King has had more than his fair share of struggles in his 70 years. But instead of letting that break him, King found the will to survive, and CrossFit has helped him thrive. 

Watch All Hail King

Kathy Dalton started CrossFit at age 54. She sits down to chat with Michael Dalton, her son and also her coach at Motivus CrossFit in Spartanburg, South Carolina, about her decision to live a longer, healthier life.

Watch Kathy's Sugar-Free Zone

While pregnant with her first child, Mandy Engle decides to continue working out with husband Chas at CrossFit Takeover in Virginia Beach, Virginia. Chas says people are sometimes surprised when Mandy declines help when carrying groceries or dog food, but the two agree she’s pregnant, not dead, and can handle daily life and fitness training.

Watch Pregnant, Not Dead

“I was on Wellbutrin for anxiety. I was on cholesterol medication … . I wasn’t getting any advice to work out. It was just, ‘Here’s another medicine,’” Bob Soulliere recalls. “The gift was that I got laid off.” With his newfound free time, Soulliere started taking CrossFit classes. “When I walked into CrossFit, no question, stress was managing me, and now I manage stress,” he says.

Watch Doctor Tells Bob Soulliere He’s “Doing All the Right Things”

From overweight to winning the Open: Years ago, Zack George embarked on a weight-loss journey with a new mindset. In 2020, he was the Fittest Man in the U.K. in the CrossFit Games Open.

WatchThe Gentle Giant