Liu Chunhong broke three world records as she successfully defended her Olympic title to claim China's sixth gold in the weightlifting competition.
In the women's 69kg division, Liu set a record of 128kg in her third attempt in the snatch before lifting a new mark of 158kg in the clean and jerk.
Her total of 286kg was also a world record, beating the old mark by 10kg.
World champion Oxana Slivenko of Russia was a distant second with 255kg, while Ukraine's Natalya Davydova took bronze.
In the men's event, Hungarian strongman Janos Baranyai's first Olympics ended in agony when he dislocated his right elbow in the ugliest moment yet of the Olympic weightlifting competition.
Baranyai was trying to snatch 148kg in his third lift in the men's 77kg division, when his elbow popped out of socket.
The 24-year-old Hungarian fell to the floor in shock, shaking and crying out in pain.
Hungary's coaching staff and competition officials rushed to Baranyai's aid as he lay trembling on the floor, his arm limp and twisted out of position.
Baranyai was carried off the platform on a stretcher and taken by ambulance to hospital for evaluation and treatment.
"There was a dislocation of the elbow but the bones are not broken," Hungarian weightlifting federation boss Tamas Feher said.
"They just put it right back, but I think he's lost the rest of the year."
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Baranyai, who was Hungary's lone lifter in the Olympics, was ninth in both the snatch and clean and jerk in the European Championship earlier this year and placed 33rd in last year's World Championship.
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