Building body strength through fitness training is just one of many parameters. Equally important are explosiveness and improved coordination, for example. Box jumps are particularly effective for ...

The fourth workout of this seasons CrossFit Open has been announced, and our first piece of advice for 20.4 is this: start and . You'll be doing box jumps, single-leg squats, and clean and jerks.

Directions: This is an AMRAP (as many rounds as possible) workout. After warming up for five minutes with some light cardio and dynamic stretching, start the timer for 30 minutes. Complete as many ...