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Anthropometric assessment of muscularity during growth: estimating fat-free mass with 2 skinfold-thickness measurements is superior to measuring midupper arm muscle area in healthy prepubertal children.
Am J Clin Nutr. 2002 Sep; 76(3):628-32.AJ

Abstract

BACKGROUND

Anthropometric measurements are widely used to determine body composition, especially in children.

OBJECTIVE

Our aim was to compare 2 of the simplest anthropometry-based equations available for determining nutritional status and muscularity in children and adolescents, examined in relation to other methodologically independent muscle variables.

DESIGN

Midupper arm muscle area (UAMA) and fat-free mass (FFM) according to the equations of Slaughter et al (Hum Biol 1988;60:709-23), as well as separate biochemical, physical, and radiologic muscle variables, were determined cross-sectionally in 91 males and 91 females aged 6-18 y. The ability of UAMA and FFM to estimate muscularity, as measured by 24-h creatinine excretion, grip force, and peripheral quantitative computer tomography analysis of forearm muscle, was compared after dividing the study population into prepubertal and pubertal groups.

RESULTS

Before puberty, correlations of all 3 muscularity variables were higher with FFM than with UAMA in both males and females. Multiple regression analyses confirmed FFM to be the predominant predictor, with partial R(2) >/= 0.68 (P < 0.001). However, in puberty, FFM did not consistently show this major influence. Only before puberty did FFM provide a significantly better fit (P < 0.05) than did UAMA for 2 of the 3 muscularity variables in each sex.

CONCLUSIONS

The FFM estimate proved to be the better predictor for muscularity in healthy prepubertal children and is on a par with UAMA during puberty. FFM can be recommended as a simple anthropometric method to assess nutritional status before puberty, at least in healthy children.

Authors+Show Affiliations

Department of Nutrition and Health, Research Institute of Child Nutrition, Dortmund, Germany. boye@fke-do.deNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

12198010

Citation

Boye, Kai R., et al. "Anthropometric Assessment of Muscularity During Growth: Estimating Fat-free Mass With 2 Skinfold-thickness Measurements Is Superior to Measuring Midupper Arm Muscle Area in Healthy Prepubertal Children." The American Journal of Clinical Nutrition, vol. 76, no. 3, 2002, pp. 628-32.
Boye KR, Dimitriou T, Manz F, et al. Anthropometric assessment of muscularity during growth: estimating fat-free mass with 2 skinfold-thickness measurements is superior to measuring midupper arm muscle area in healthy prepubertal children. Am J Clin Nutr. 2002;76(3):628-32.
Boye, K. R., Dimitriou, T., Manz, F., Schoenau, E., Neu, C., Wudy, S., & Remer, T. (2002). Anthropometric assessment of muscularity during growth: estimating fat-free mass with 2 skinfold-thickness measurements is superior to measuring midupper arm muscle area in healthy prepubertal children. The American Journal of Clinical Nutrition, 76(3), 628-32.
Boye KR, et al. Anthropometric Assessment of Muscularity During Growth: Estimating Fat-free Mass With 2 Skinfold-thickness Measurements Is Superior to Measuring Midupper Arm Muscle Area in Healthy Prepubertal Children. Am J Clin Nutr. 2002;76(3):628-32. PubMed PMID: 12198010.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Anthropometric assessment of muscularity during growth: estimating fat-free mass with 2 skinfold-thickness measurements is superior to measuring midupper arm muscle area in healthy prepubertal children. AU - Boye,Kai R, AU - Dimitriou,Triantafillia, AU - Manz,Friedrich, AU - Schoenau,Eckhard, AU - Neu,Christina, AU - Wudy,Stefan, AU - Remer,Thomas, PY - 2002/8/29/pubmed PY - 2002/9/17/medline PY - 2002/8/29/entrez SP - 628 EP - 32 JF - The American journal of clinical nutrition JO - Am J Clin Nutr VL - 76 IS - 3 N2 - BACKGROUND: Anthropometric measurements are widely used to determine body composition, especially in children. OBJECTIVE: Our aim was to compare 2 of the simplest anthropometry-based equations available for determining nutritional status and muscularity in children and adolescents, examined in relation to other methodologically independent muscle variables. DESIGN: Midupper arm muscle area (UAMA) and fat-free mass (FFM) according to the equations of Slaughter et al (Hum Biol 1988;60:709-23), as well as separate biochemical, physical, and radiologic muscle variables, were determined cross-sectionally in 91 males and 91 females aged 6-18 y. The ability of UAMA and FFM to estimate muscularity, as measured by 24-h creatinine excretion, grip force, and peripheral quantitative computer tomography analysis of forearm muscle, was compared after dividing the study population into prepubertal and pubertal groups. RESULTS: Before puberty, correlations of all 3 muscularity variables were higher with FFM than with UAMA in both males and females. Multiple regression analyses confirmed FFM to be the predominant predictor, with partial R(2) >/= 0.68 (P < 0.001). However, in puberty, FFM did not consistently show this major influence. Only before puberty did FFM provide a significantly better fit (P < 0.05) than did UAMA for 2 of the 3 muscularity variables in each sex. CONCLUSIONS: The FFM estimate proved to be the better predictor for muscularity in healthy prepubertal children and is on a par with UAMA during puberty. FFM can be recommended as a simple anthropometric method to assess nutritional status before puberty, at least in healthy children. SN - 0002-9165 UR - https://www.unboundmedicine.com/medline/citation/12198010/Anthropometric_assessment_of_muscularity_during_growth:_estimating_fat_free_mass_with_2_skinfold_thickness_measurements_is_superior_to_measuring_midupper_arm_muscle_area_in_healthy_prepubertal_children_ L2 - https://academic.oup.com/ajcn/article-lookup/doi/10.1093/ajcn/76.3.628 DB - PRIME DP - Unbound Medicine ER -