Cycling Isokinetic Peak Force Explains Maximal Aerobic Power and Physiological Thresholds but Not Cycling Economy in Trained Triathletes
2024

Cycling Isokinetic Peak Force and Aerobic Performance in Triathletes

Sample size: 11 publication Evidence: moderate

Author Information

Author(s): Giancáspero-Inostroza Felipe, Burgos-Jara Carlos, Sepúlveda Carlos, Haichelis Danni, Meneses-Valdés Roberto, Orizola-Cáceres Ignacio, Cerda-Kohler Hugo

Primary Institution: Unidad de Fisiología del Ejercicio, Centro de Innovación, Clínica MEDS, Santiago, Chile

Hypothesis

The study aims to determine the influence of cycling isokinetic peak force (cIPF) at different cadences on aerobic performance-related variables in trained triathletes.

Conclusion

The study highlights the significance of cIPF, particularly at moderate to high cadences, as a determinant of aerobic-related variables in trained triathletes.

Supporting Evidence

  • cIPF at 80 and 120 rpm explained 49% of the variability in power output at VT1.
  • cIPF at 80 and 120 rpm explained 55% of the variability in power output at VT2.
  • cIPF at 80 and 120 rpm explained 65% of the variability in power output at maximal aerobic power.
  • cIPF at 80 rpm explained 39% of the variability in VO2 max.

Takeaway

This study found that how strong triathletes are when cycling at certain speeds can help them perform better in races, but it doesn't affect how efficiently they use energy while cycling.

Methodology

The study involved 11 trained male triathletes who underwent tests to measure their maximal oxygen consumption, ventilatory thresholds, and cycling isokinetic peak force at various cadences.

Limitations

The methodology used to assess cycling economy may not be optimal, and the sample size is relatively small.

Participant Demographics

The participants were 11 trained male triathletes aged 33 ± 9.8 years, with an average height of 173.1 cm and body mass of 73.9 kg.

Statistical Information

P-Value

0.02

Confidence Interval

95% CI (0.17 to 0.91)

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3390/jfmk9040273

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