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The box step up is similar in mechanics to any lunging variation. The athlete must use the strength of one leg to elevate themselves. The higher the box, the greater the demand on both strength and flexibility. Although often used as a scaled version of the box jump, the step-up can provide a challenge to even the most advanced athletes. To learn more about human movement and the CrossFit methodology, visit CrossFit Training. CrossFit® - Forging Elite Fitness® ()
