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DXA scans can also be used to measure total body composition and fat content with a high degree of accuracy comparable to hydrostatic weighing with a few important caveats. [18] [specify] From the DXA scans, a low resolution "fat shadow" image can also be generated, which gives an overall impression of fat distribution throughout the body. [19]
Getting an InBody scan is considered to be a more affordable and convenient alternative to a DEXA scan, which uses X-ray images to measure how much muscle, fat, and bone you have. New DEXA ...
DXA scans assume a constant relationship between the amounts of lean soft tissue and adipose tissue. This assumption leads to measurement errors, with an impact on accuracy as well as precision. To reduce soft-tissue errors in DXA, DXL technology was developed in the late 1990s by a team of Swedish researchers led by Prof. Ragnar Kullenberg.
A DEXA scan requires medical supervision by a radiologist. Total body scans using DEXA give accurate and precise measurements of body composition, including bone mineral content (BMC), bone mineral density (BMD), lean tissue mass, fat tissue mass, and fractional contribution of fat. [5]
The commission proposes using body size or body fat measurements, such as waist-to-hip ratio or bone densitometry scan or DEXA, in addition to BMI to determine clinical versus pre-clinical obesity
Various Planet Fitness, YMCA, Edge Fitness, etc. locations offer InBody scan, a non-invasive test that assesses body muscle, fat, and water. Your gym may offer this for free or at a discounted rate.
However, its accuracy declines at the extremes of body fat percentages, tending to slightly understate the percent body fat in overweight and obese persons (by 1.68–2.94% depending on the method of calculation), and to overstate to a much larger degree the percent body fat in very lean subjects (by an average of 6.8%, with up to a 13% ...
On the flip side, some people with a high BMI and significant body fat might still have healthy organs and no signs of illness. This shows the need for a better way to diagnose obesity. While BMI ...