article_snippet: Sammy Margo, a chartered physiotherapist said: ‘On the second repetition, a woman went into hyperextension, which means the ligaments go beyond Sammy Margo, a chartered physiotherapist and the knee has bent back on Sammy Margo, a chartered physiotherapist.
article_snippet: Will Longhurst, fitness manager at Reebok Sports Club, London, said: 'This video is an extreme example of what could happen during exercise when not performed correctly, however that is a underlying point that should be addressed. '
article_snippet: Often gym-goers will lift weights that are too heavy or use machines with poor technique as highlighted in This video. '
article_snippet: ‘The body is not supposed to move like this.
article_snippet: Instead when The body moves an object we tend to use a whole bunch of different muscles and joints to get the job done.
article_snippet: ‘These weight machines create an unreal environment, using inappropriately heavy weights and incorrect form can, as the video shows, cause problems.
article_snippet: He said: 'You should never relax your legs in a fully extended position due to the risk of hyperextension. '
article_snippet: If she is using a heavy load, she should be mentally focused at the task in hand, this would ensure she muscles are switched on and functioning properly. '
article_snippet: she could also be new to strength training and as a result she joints might not be used to being under heavy stress. '
article_snippet: If she is hypermobile she might be at even greater risk of injury as these peoples muscles do not know when to stop movements and can have serious injuries as a result. '