I had my knee replaced in January and had just completed several weeks of Physical Therapy. Part of my PT was riding an Airdyne bike for several minutes. As a bonus from my PT and surgery, I lost 15 pounds. My husband, who is a runner, was looking for something to do for cross training. He often picked me up from PT and started talking with one of the therapists who is also a runner. My husband started looking at the airdyne and he tried it out at PT. He was hooked. So we bought one and have it set up in the den so we can watch TV while riding. Plus the big fan keeps you cool. The one we got is slightly different from the one I used in PT, but the only real difference is the computer attachment to tell you how many miles you are riding and for how long.
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