Orthopedics Today | The controversy over fixation in the obese patient population undergoing TKA remains unsolved.Historically, many studies have shown obese patients, particularly morbidly obese patients (BMI of greater than 40 kg/m2) are at higher risk for aseptic loosening due to higher stress on the implant-cement-bone interface. This has led many surgeons to augment cemented fixation by using stems to off-load