Queensland State Archives posted a photo:
Weightlifting is an athletic discipline in which the athlete attempts a maximum-weight single lift of a barbell loaded with weight plates. The two competition lifts in order are the snatch and the clean and jerk. Each weightlifter receives three attempts in each, and the combined total of the highest two successful lifts determines the overall result within a bodyweight category.
Bodyweight categories are different for male and female competitors. A lifter who fails to complete at least one successful snatch and one successful clean and jerk also fails to total, and therefore receives an “incomplete” entry for the competition.
Weightlifting tests aspects of human ballistic limits (explosive strength); the lifts are therefore executed faster – and with more mobility and a greater range of motion during their execution – than other strength movements. Properly executed, the snatch and the clean and jerk are both dynamic and