Being fit won't necessarily shorten a normal recovery time, but it certainly doesn't hurt and patients who aren't fit, might have other potential side effects or complications that will prolong recovery beyond what is expected. The body general will heal the way it will heal. That is, you can't push harder on the accelerator to make healing go faster.
Muscle tone will certainly assist in getting you a good result with your abdomen. The muscle layer is the foundation on which the fat and skin sit. Having poor muscle tone can definitely limit the results of abdominoplasty. With the breast, muscle tone and mass may influence the technique you and your surgeon decide on. Often, those patient who have large, tight muscle mass with excessive use might elect to go subglandular rather than submuscular. But if you do a simultaneous lift, it might increase the risk of complications and healing time more than if you place the implants submuscularly.
