Weight management often depends on calculating metabolic rates, understanding fat biochemistry, and tailoring exercise programming for either muscle acquisition or structured fat reduction.
"Overweight" is a term that refers to an excess amount of body weight that typically comes from muscles, bone, fat and water; however, "obesity" means an excess amount of body fat. Body mass index, BMI, is a weight-for-height measure commonly used to classify overweight and obesity in adults.
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Body mass index -- BMI -- is a measurement used by doctors to classify a patient as underweight, overweight or right on target. Body frame size is not used when calculating BMI; instead, you can figure out your BMI using your height and weight.
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