Dual Energy X-Ray Absorptiometry (DEXA)

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By Rockwell Fitness


Definition

This method is a three component model used to measure bone minerals, body fat, and muscle.

 

How it Works

A person lays on an x-ray table while two lose x-rays, one overhead and another underneath; scan the body collecting data at 0.5 cm intervals. This process takes around 12 to 20 minutes. 

 

Accuracy

Within 1.2%


Disadvantages

  • Need a skilled radiologist
  • Very expensive
  • Not very accessible to the public
  • Non-standardized technology

Accuracy

  •  No special preparations
  • Very accurate
  • Very detailed reports
  • Painless

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