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Related Concept Videos

X-linked Traits01:19

X-linked Traits

In most mammalian species, females have two X sex chromosomes and males have an X and Y. As a result, mutations on the X chromosome in females may be masked by the presence of a normal allele on the second X. In contrast, a mutation on the X chromosome in males more often causes observable biological defects, as there is no normal X to compensate. Trait variations arising from mutations on the X chromosome are called “X-linked”.

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Effects of a Novel Neuromuscular Training Intervention on Jump, Sprint, and Change of Direction in Adult Female Soccer Players
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Differences in gender and performance in off-road triathlon.

Romuald Lepers1, Paul J Stapley

  • 1Faculté des Sciences du Sport, Université de Bourgogne, Dijon, France. romuald.lepers@u-bourgogne.fr

Journal of Sports Sciences
|November 2, 2010
PubMed
Summary

Elite female off-road triathletes

Area of Science:

  • Sports Science
  • Exercise Physiology
  • Triathlon Performance Analysis

Background:

  • Off-road triathlon, a demanding multisport discipline, involves swimming, mountain biking, and trail running.
  • Understanding gender-based performance trends is crucial for athletic development and competitive balance.

Purpose of the Study:

  • To analyze performance trends in elite off-road triathlon World Championships since 1996.
  • To compare gender-related performance differences between off-road and conventional road triathlons.

Main Methods:

  • Linear regression analyses and ANOVA were employed.
  • Performance data from elite male and female off-road triathletes were examined.
  • Comparisons were made between off-road and road triathlon disciplines.

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Main Results:

  • Elite male performance times plateaued from 2005-2009, while female times improved, particularly in running.
  • Gender differences in performance were smaller in swimming than in cycling and running.
  • Differences in power output and cycling were greater in off-road than road triathlons, potentially due to terrain.

Conclusions:

  • Female off-road triathletes show continued performance improvements.
  • Off-road triathlon presents unique gender-based challenges, especially in mountain biking.
  • Further research into the physiological demands of off-road versus conventional triathlon is warranted.