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Females 'should increase calories to limit leg pain'15 September 2006 Females on low-calorie diets could be increasing their risk of having stress fractures, according to US research. Scientists at the Saint Louis University have concluded that some female athletes may be at greater risk of suffering from exercise-related leg pain, including stress fractures, if they limit their calorie intake or have poor diets. The study involved 76 female athletes and was published in the American Journal of Sports Medicine. The results indicate that women who limit their calorie intake are particularly at risk of stress fractures because of low oestrogen levels. Lead researcher Mark Reinking, chairman of the American Board of Physical Therapy Specialties, explained: "When people expend more calories than they consume, they release fewer hormones, which slows down menstrual cycles. This decreases oestrogen in the body, which is responsible for bone development." It had been expected that external factors such as poor footwear could be linked to leg pain, but this new study suggests that internal factors such as bone mineral density and menstrual function have a bigger impact on the condition. Related links
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