advanced body composition assessment: from body mass index to body composition profiling - energy storage devices
This article briefly outlines the common non-
Invasive techniques for body composition analysis and more in-depth
In-depth review of fat-based body composition assessment methods
Reference quantitative MRI.
An early published study of the method was summarized, and a previously unpublished validation study was conducted based on 4753 subjects from the UK biomarker imaging cohort, comparing quantitative MRI methods with doubleenergy X-
Ray absorption method (DXA)is presented. For whole-
Body measurement of fat tissue (AT)
Or fat and thin tissue (LT)
DXA and quantitative MRIs show excellent coincidence with a linear correlation of 0. 99 and 0.
97, coefficient of variation (CV)of 4. 5 and 4.
Fat accounts for 6% (
Calculated from)
And LT, but the consistency of visceral fat tissue was found to be significantly reduced, CV> 20.
MRI is also able to measure muscle volume, muscle during infiltration, and ectopic pregnancy in combination with a rapid scanning protocol and an efficient image analysis tool, making quantitative MRI a powerful tool for advanced body composition assessment.
Introduction to the human body-
And the body of other animals-
Mainly composed of four molecules.
Horizontal ingredients: water, fat, protein, and minerals, usually in the order in which the quantity is reduced.
From laymen to medical experts, fat is the most popular substance.
Of course, this is inspired by the well.
It is well known that excessive body fat is associated with increased morbidity and mortality.
Also because of fat tissue (AT)
So far, it's the most different compartment.
Between individuals, but also within individuals over time.
The most widely used method for assessing body fat is the body mass index (BMI)—
Weight normalized by height Square (kg/m2).
As a very simple and inexpensive method, it is the basis of who's definition of overweight (25≤BMI