A comparison of body composition assessment methods in climbers: Which is better?


Autoři: María José Arias Téllez aff001;  Fernando Carrasco aff001;  Vanesa España Romero aff003;  Jorge Inostroza aff001;  Alejandro Bustamante aff005;  Ignacio Solar Altamirano aff001
Působiště autorů: Department of Nutrition, Faculty of Medicine, University of Chile, Independence, Santiago, Chile aff001;  PROFITH “PRO-moting FITness and Health through physical activity” research group, Department of Physical and Sports Education, Sport and Health University Research Institute (iMUDS), Faculty of Sports Science, University of Granada, Granada, Spain aff002;  MOVE-IT Research group,Department of Physical Education, Faculty of Education Sciences University of Cádiz, Cádiz, Spain aff003;  Biomedical Research and Innovation Institute of Cádiz (INiBICA) Research Unit, Puerta del Mar University Hospital University of Cádiz, Cádiz, Spain aff004;  Department of Kinesiology, Faculty of Medicine, University of Chile, Independence, Santiago, Chile aff005;  High Performance Center, Pedro de Valdivia, Ñuñoa, Santiago, Chile aff006
Vyšlo v časopise: PLoS ONE 14(11)
Kategorie: Research Article
doi: 10.1371/journal.pone.0224291

Souhrn

Objective

To compare body composition estimations of field estimation methods: Durnin & Womersley anthropometry (DW-ANT), bioelectrical impedance analysis (BIA) and Deborah-Kerr anthropometry (DK-ANT) against dual-energy X-ray absorptiometry (DXA) in a male Chilean sport climbing sample.

Methods

30 adult male climbers of different performance levels participated in the study. A DXA scan (Lunar Prodigy®) was used to determine fat mass, lean mass and total bone mineral content (BMC). Total muscle mass (MM, kg) was estimated through a validated prediction model. DW-ANT and BIA (“non-athletes” and “athletes” equations) were used to determinate fat mass percentage (FM %), while DK-ANT was utilized to estimate MM and BMC.

Results

A significant (p<0.01) inter-method difference was observed for all methods analyzed. When compared to DXA, DW-ANT and BIA underestimated FM% and DK-ANT overestimated MM and BMC (All p<0.01). The inter-method differences was lower for DW-ANT.

Discussion

We found that body composition estimation in climbers is highly method dependent. If DXA is not available, DW-ANT for FM% has a lower bias of estimation than BIA in young male Chilean climbers. For MM and BMC, further studies are needed to compare and estimate the DK-ANT bias level. For both methods, correction equations for specific climbing population should be considered.

Klíčová slova:

Absorptiometry – Anthropometry – Climbing – Fats – Sports – Sports and exercise medicine – X-ray radiography


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2019 Číslo 11