05 June 2009

Dancers face serious health issues

Professional dancers and female athletes face health threats such as eating disorders, menstrual dysfunction, osteoporosis, and early signs of cardiovascular disease.


Professional ballerinas like highly driven young female athletes, face quadruple health threats - disordered eating, menstrual dysfunction, the bone-thinning disease osteoporosis, and early signs of cardiovascular disease.

It's known as the "female athlete tetrad", explained Dr Anne Hoch of The Medical College of Wisconsin in Milwaukee, and it starts with disordered eating.

Female athletes who don't eat enough to make up for the energy they expend during long workouts, may stop getting their period as a consequence, Hoch explained. These two components of the female athlete tetrad put them at higher risk for the other two - cardiovascular problems and bone density deficits - often seen in much older, postmenopausal women, she noted.

At the American College of Sports Medicine meetin, Hoch reported on a study of 22 professional ballerinas from the Milwaukee Ballet Company. Their average age was 23 and their average weight was 114 pounds.

36% of dancers had eating disorders
Eighty-six percent of the dancers had at least component of the female athlete tetrad and 14% had all four components. Based on responses to a questionnaire, 36% of the dancers had disordered eating habits and 77% were in a kilojoule deficit. "They were not eating enough kilojoules for the amount they were dancing," Hoch said.

More than half of the dancers (59%) were in a calcium deficit and 45% were in an iron deficit. Twenty-seven percent of the dancers were currently not having menstrual periods. "It is not normal to stop having your period. If you haven't had a period in more than three months, that's abnormal and should be evaluated," Hoch said.

In addition, 23% of the dancers had low bone mineral density, which sets the stage for early osteoporosis, she added.

Perhaps most troubling, Hoch said, was the finding on ultrasound examinations that 64% of the dancers had premature blood vessel dysfunction, which is "the sentinel event that starts atherosclerosis (hardening of the arteries)," she warned.

"Being a female athlete you have to be very educated and knowledgeable about what you are at risk for," Hoch said. "You are at risk for eating issues, menstrual problems, low bone mineral density, and, now vascular problems, but this is all preventable if you are smart about the way you eat and exercise."

The bottom line, Hoch said: "Exercise as much as you want but be sure to fuel your body and eat enough kilojoules." – (Reuters Health, June 2009)

Read more:
Girl athletes risk eating disorders




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