Photo by Valerie Baldowski Cherie Satterley (left) coaches Ericka Martin on the “recovery station,” which keeps the heart rate elevated between exercise routines. Satterley said she lost 50 pounds, with the help of the personal training monitors attached to the equipment.

Many women suffer from swelling in the arms after lymph nodes are surgically removed near the breast.

Now, new research published in the Journal for the American Medical Association finds - women who lift weights after treatment cut their risk of developing the swelling by more than a third.