skinfold thickness

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skinfold thickness Index of subcutaneous fat and hence body fat content. Measured at four sites: biceps (midpoint of front upper arm), triceps (midpoint of back upper arm), subscapular (directly below point of shoulder blade at angle of 45 degrees), supra‐iliac (directly above iliac crest in mid‐axillary line). Rapid surveys often involve only biceps. See also anthropometry.