More and more people have gotten into weight training not only to train, but to compete as extremely well. There aren't too many competitive Olympic weight lifters out there, but eventually the more health-conscious chunk of the population will go to training and competing.
In The Clean and Jerk, the Olympic weight is lifted in one movement towards shoulders, and then hoisted, pushed, or jerked to arm's length over the head. It's required via the lifter to square straight, holding the weight up this situation seconds, showing that Heavy Lifting chains he's good control over the lbs. (The lifter is at freedom to duck underneath the weight, or squat, or split his legs when the bar is pulled up). As the lift has two stages, more weight could be lifted