A prosthesis, depending on the level of amputation, includes the replacement of joints. Feet, ankles, knees and hips are the joint systems for lower limb prostheses; Hands, wrists, elbows and shoulders are the joint systems for upper limb prostheses.
Weight Watchers includes a greater range of body weight going up to the lower limit of obesity which is 20% higher than ideal body weight.
Lower limb prothesis - Solution Sources
Pear shape (less than 0.80) means your body fat is located below your waist which indicates a lower health risk, but fat located in the lower half of the body may be harder to lose during weight loss.