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THE JOURNAL OF SPORTS MEDICINE AND PHYSICAL FITNESS
Rivista di Medicina, Traumatologia e Psicologia dello Sport
Indexed/Abstracted in: Chemical Abstracts, CINAHL, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,111
Original articles BODY COMPOSITION, SPORT NUTRITION AND SUPPLEMENTATION (ergogenics)
The Journal of Sports Medicine and Physical Fitness 2006 Settembre;46(3):442-6
Estimation of body fat in athletes: skinfolds vs bioelectrical impedance
Ostojic S. M.
Institute of Sports Medicine, Sports Academy Belgrade, Serbia and Montenegro
Aim. The aim of the present study was to compare two different field methods (skinfolds(SKF(vs bioimpedance analysis(BIA) for estimation of body fatness in top-level athletes.
Methods. This study was conducted with 219 male professional athletes who were recruited during preparticipation physical examination. Skinfold thicknesses at 7 sites were obtained using a Harpenden caliper while total body resistance was measured with a foot-pad bioelectrical impedance analyzer at a fixed signal frequency of 50 kHz and 500 µA.
Results. The athletes showed non-significant difference in body fat percentage (%BF) between the average %BFSKF and %BFBIA (P>0.05). Average time of assessment per subject was significantly longer during skinfold measurement (P<0.01) as compared with BIA assessment.
Conclusions. We found that the estimates of body fat were similar between SKF and BIA with significant correlation (r=0.96) between methods while BIA method is less time-consuming. In conclusion, the most simple, quick, and inexpensive method of BIA seems to be very useful to the dietitians’ routine for assessing body fat in physically active individuals and athletes.