The CrossFit ... demanding workout that tests both endurance and mental toughness. The task is simple: strap on a weighted vest or backpack weighing around 20kg (for men) and step up onto ...
The method was developed by Greg Glassman, who founded CrossFit with Lauren Jenai in 2000. AMRAP: It stands for as many rounds as possible as is a workout ... effort required over that 7 minutes ...