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Entries in lymphedema (1)

Thursday
Dec092010

Weight Training Helps Breast Cancer Survivors 

Photo Courtesy - Getty Images(PHILADELPHIA) -- Just as doctors now know heart attack and back pain patients can benefit from physical activity during recovery, a study published in Wednesday's Journal of the American Medical Association finds breast cancer survivors may benefit from pumping iron after surgery. 

The study, performed by researchers at the University of Pennsylvania, shows that breast cancer survivors who participated in a supervised, slowly progressive weight training program after undergoing surgery did not develop the painful, arm-swelling condition known as lymphedema -- and, in fact, may have even reduced or prevented the complication.

The researchers placed 154 women who had been diagnosed with breast cancer in the previous five years, and who had had at least two lymph nodes removed but did not have lymphedema, into two randomly assigned groups. The first group was supervised by a personal trainer who led them through a 13-week weight lifting program, which they continued for another nine months at home. The second group didn't exercise.

By the end of the one-year study, the weight lifters had cut their risk of developing the condition by 35 percent. Only 11 percent of the group developed lymphedema, compared to 17 percent of those in the non-exercising group. Among women who had the most aggressive surgery, with five or more lymph nodes removed, the impact of the weightlifting intervention was even greater -- a nearly 70 percent risk reduction. Twenty-two percent of inactive participants developed lymphedema, compared to just 7 percent in the exercising group.

"Women have been told for decades that they should not do anything with the affected limb," said the study's lead author, Dr. Kathryn Schmitz, an associate professor of epidemiology and biostatistics and a member of Penn's Abramson Cancer Center. "Our work is showing that women who have had lymph nodes removed and have not developed cancer are less likely to develop arm swelling over time if they slowly and progressively increase the capacity of their damaged limb to withstand the stresses of real life like lifting their purse, moving heavy boxes or carrying a child."

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