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The mid-upper arm fat area (MUAFA) is an estimation of the area of the far portions of the upper arm, and is simply the difference between the MUAA and the MUAMA: [6] = [6] From the MUAFA is derived the arm fat index (AFI), a percentage of the arm that is fat, using the following formula: [6]
Body roundness index (BRI) is a calculated geometric index used to quantify an aspect of a person's individual body shape. Based on the principle of body eccentricity , it provides a rapid visual and anthropometric tool for health evaluation.
Ape index, ape factor, [1] or gorilla index is slang or jargon used to describe a measure of the ratio of an individual's arm span relative to their height. A typical ratio is 1, as identified by the Roman writer, architect and engineer Vitruvius prior to 15 BC.
Polykleitos may have used the distal phalanx of the little finger as the basic module for determining the proportions of the human body, scaling this length up repeatedly by √ 2 to obtain the ideal size of the other phalanges, the hand, forearm, and upper arm in turn.
Bioelectrical impedance analysis (BIA) is a method for estimating body composition, in particular body fat and muscle mass, where a weak electric current flows through the body, and the voltage is measured in order to calculate impedance (resistance and reactance) of the body. Most body water is stored in muscle.
A Body Shape Index (ABSI) [1] or simply body shape index (BSI) is a metric for assessing the health implications of a given human body height, mass and waist circumference (WC). The inclusion of WC is believed to make the BSI a better indicator of risk of mortality from excess weight than the standard body mass index .
Body mass index – Relative weight based on mass and height (BMI) Body roundness index – Body scale based on waist circumference and height (BRI) Bust/waist/hip measurements – Measures used for fitting clothing ("Vital statistics") Dad bod – Slang term for a body shape particular to middle-aged men
The intermembral index is a ratio used to compare limb proportions, expressed as a percentage. [1] It is equal to the length of forelimbs ( humerus plus radius ) divided by the length of the hind limbs ( femur plus tibia ) multiplied by 100, [ 2 ] otherwise written mathematically as: