08/25/2026
Two patients present with identical body weight. One has 36% body fat and significantly reduced lean mass. One has 19% body fat with strong skeletal muscle and healthy bone density. The scale told you nothing useful about the difference between them.
A DEXA scan tells you everything.
DEXA (dual-energy X-ray absorptiometry) is the clinical gold standard for body composition analysis. It provides a precise breakdown of fat mass, lean mass, and bone mineral density by region. It generates a visceral adipose tissue measurement, the metabolically active fat surrounding the organs that drives insulin resistance, cardiovascular risk, and inflammatory load. It gives a fat-to-lean ratio that shows whether weight lost during a protocol actually represents fat loss, or whether muscle is being sacrificed in the process.
This matters in four specific clinical contexts we see regularly at The Lamkin Clinic. For patients beginning a medical weight loss protocol, especially GLP-1 therapy, a baseline DEXA before starting and follow-up scans at intervals track whether lean mass is being protected. For patients with normal BMI but elevated cardiovascular risk, DEXA may reveal visceral fat burden the scale completely obscures. For postmenopausal women, bone density screening is integrated into the same scan, combining osteoporosis evaluation with body composition analysis in one appointment. For patients on testosterone or hormone replacement therapy, DEXA tracks body composition response alongside hormonal labs.
The number on the scale is not the outcome we manage. Body composition is.
Brian Lamkin DO
The Lamkin Clinic | Edmond, Oklahoma
lamkinclinic.com