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The weight stack on a selectorized cable machine; in this example, each plate weighs 6 kg. Weight machines commonly use specialized sets of plates (called "weight stacks"), consisting of a set of rectangular plates mounted on rails. Through a cable and pulley system, the burden is transferred to the machine's user.
An Olympic lifter, Jang Mi-ran, holding a barbell loaded with red 25 kg bumper plates, held in place with a collar. Note the lifter's taped wrists and thumbs, her weightlifting shoes, and her weightlifting belt. Weight plates are secured to the bar using collars on each side that weigh exactly 2.5 kg each.
The total weight of the barbell varies based on the type and number of plates loaded onto the ends of the bar and the lift being performed, and easily can be 540 kilograms (1,190 lb) or more with a squat dedicated bar (which itself can weigh up to 29 kg (65 lb) and have up to 35 mm (1.4 in) grip section diameter).
This is a list of world records in Olympic weightlifting. These records are maintained in each weight class for the snatch lift, clean and jerk lift, and the total for both lifts. The International Weightlifting Federation (IWF) restructured its weight classes in 1993, 1998 and 2018, nullifying earlier records.
Powerlifting is a competitive strength sport that consists of three attempts at maximal weight on three lifts: squat, bench press, and deadlift.As in the sport of Olympic weightlifting, it involves the athlete attempting a maximal weight single-lift effort of a barbell loaded with weight plates.
94–105 kg Heavyweight 89–102 kg First-heavyweight 90–100 kg First-heavyweight 91–99 kg Middle-heavyweight 81–96 kg Middle-heavyweight 85–94 kg Middle-heavyweight 83–91 kg Middle-heavyweight 82.5–90 kg Middleweight 73–89 kg Light-heavyweight 77–85 kg Light-heavyweight 76–83 kg Light-heavyweight 75–82.5 kg Middleweight