Reliability of B-mode ultrasound for the measurement of body fat and muscle thickness

American Journal of Human Biology : the Official Journal of the Human Biology Council
Y IshidaS H Leggett

Abstract

B-mode ultrasound was used to measure fat and muscle thicknesses on 30 subjects (17 men, 13 women, age = 20-37 yr) at 14 sites (triceps, biceps, forearm, chest [males only], subscapular, axilla, abdomen, suprailium, lumbar, quadriceps, suprapatellar, hamstrings, medial calf, and posterior calf) on two different days. Quadruplicate photographic images (trials) were printed from a single measurement at each site on each day. Two investigators each measured two of the images from each site. Each thickness was measured to the nearest 0.05 mm with a vernier caliper. Generalizability theory was used to determine the relative contribution of subjects, investigators, days, and trials to the total measurement variability. Subjects accounted for 84-96% of the variance in the muscle measurements and for 79-97% of the variance in the fat measurements. A subjects-by-day interaction accounted for 2-13% of the variance in muscle measurements and 2-12% of the variance in fat measurements. The contribution by investigators and trials to the variance was less than 1%. Generalizability coefficients (G) exceeding 0.92 were obtained for all sites for muscle measurements, while G for fat measurements exceeded 0.90 for all but the axilla site (G = 0....Continue Reading

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Citations

Jan 1, 1997·American Journal of Human Biology : the Official Journal of the Human Biology Council·Y IshidaL Ganzarella
Jan 1, 1994·American Journal of Human Biology : the Official Journal of the Human Biology Council·Y IshidaS H Leggett
Mar 18, 2000·The Journal of Orthopaedic and Sports Physical Therapy·L W WeissF C Clark
Jul 26, 2017·Physics in Medicine and Biology·Kensuke SasakiSoichi Watanabe
Oct 1, 1996·Medicine and Science in Sports and Exercise·D B StarkeyM S Feigenbaum
May 1, 2017·Folia Phoniatrica Et Logopaedica : Official Organ of the International Association of Logopedics and Phoniatrics (IALP)·Sarah E PerryMaggie-Lee Huckabee
Apr 4, 2000·Physiological Reviews·K J Ellis
Oct 20, 2005·European Journal of Applied Physiology·Kiyoshi SanadaTakashi Abe
Jan 9, 2020·International Journal of Rehabilitation Research. Internationale Zeitschrift Für Rehabilitationsforschung. Revue Internationale De Recherches De Réadaptation·Nikolaos BarotsisElias Panagiotopoulos
Mar 20, 2009·Journal of Athletic Training·Jean-Claude PineauMichel Bocquet
Jan 19, 2008·Developmental Medicine and Child Neurology·Koji OhataTakashi Nakamura
Oct 22, 2019·Physiological Measurement·Tayla E KuehneSamuel L Buckner

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