A fitness coach ripped his chest muscle off his bone while trying to bench-press more than 400lb in the gym. Chen Zhen, 25, from Guangzhou in Guangdong Province in South China, suffered a painful pectoralis major rupture when he lost control of a barbell and tore his tendon from his right upper arm.
It happened during a routine gym session as he was trying to bench-press 190kg (418lb) of weights. The gruesome accident was captured on camera while a friend was spotting him from above.
In the clip, Chen lifts the barbell off the rack, but the metal bar appears to slip and the right side of his chest collapses and his pectoral tears from his humerus.
Read more on dailystar.co.uk