The simultaneous, complete rupture of both quadriceps tendons is a rare event. Only 30 previous cases have been reported and the majority have had well-documented predisposing factors, such as chronic renal failure, gout, hyperparathyroidism, diabetes and obesity. We report a case which presented without any predisposing cause, and review the literature to date.
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Ribbans et al. (1989) studied this question.
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