The CrossFit is a kind of high intensity workout exercises , it combine both the bodybuilding and cardio and it was founded by Mr.Greg Glassman and Lauren Jenai,CrossFit workouts incorporate elements from high-intensity interval training, Olympic weightlifting, plyometrics, powerlifting, gymnastics, girevoy sport, calisthenics, strongman, CrossFit if was not performed well and under professionals guidance if can cause many injuries and it can kill the muscle tissue. ...
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