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Leg skinfold thicknesses and race performance in male 24-hour ultra-marathoners.

  • Knechtle B Gesundheitszentrum St. Gallen, St. Gallen, Switzerland (B. Knechtle, P. Knechtle) and Institute of General Practice and for Health Services Research, University of Zurich, Zurich, Switzerland (B. Knechtle, C.A. Rüst, T. Rosemann).
  • Knechtle P
  • Rüst CA
  • Rosemann T
  • 2011-05-14
Published in:
  • Proceedings (Baylor University. Medical Center). - 2011
English The association of skinfold thicknesses with race performance has been investigated in runners competing over distances of ≤50 km. This study investigated a potential relation between skinfold thicknesses and race performance in male ultra-marathoners completing >50 km in 24 hours. Variables of anthropometry, training, and previous performance were related to race performance in 63 male ultra-marathoners aged 46.9 (standard deviation [SD] 10.3) years, standing 1.78 (SD 0.07) m in height, and weighing 73.3 (SD 7.6) kg. The runners clocked 146.1 (SD 43.1) km during the 24 hours. In the bivariate analysis, several variables were associated with race performance: body mass (r = -0.25); skinfold thickness at axilla (r = -0.37), subscapula (r = -0.28), abdomen (r = -0.31), and suprailiaca (r = -0.30); the sum of skinfold thicknesses (r = -0.32); percentage body fat (r = -0.32); weekly kilometers run (r = 0.31); personal best time in a marathon (r = -0.58); personal best time in a 100-km ultra-run (r = -0.31); and personal best performance in a 24-hour run (r = 0.46). In the multivariate analysis, no anthropometric or training variable was related to race performance. In conclusion, in contrast to runners up to distances of 50 km, skinfold thicknesses of the lower limbs were not related to race performance in 24-hour ultra-marathoners.
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  • English
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https://sonar.ch/global/documents/88946
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