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Longitudinal Research

Longitudinal Research

Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...

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Sex differences in durability: A field-based study in professional cyclists.

Manuel Mateo-March¹, David Barranco-Gil², Peter Leo³

¹Department of Sport Sciences, Sports Research Center, Universidad Miguel Hernández de Elche, Spain; Department of Sports Sciences, Faculty of Medicine, Health and Sports, Universidad Europea de Madrid, Madrid, Spain. Electronic address: https://twitter.com/mmateo_march.

Journal of Science and Medicine in Sport

|March 27, 2025

Summary

This summary is machine-generated.

Female cyclists exhibit lower durability than male cyclists, showing a greater decline in power output after accumulated work. This difference in performance indicates potential sex-based disparities in endurance capacity.

Keywords:

Cycling Endurance Performance Power profile Resilience

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Area of Science:

Sports Science
Exercise Physiology
Cycling Performance

Background:

Durability is a critical factor in cycling performance.
Limited research exists on female cyclist durability and sex-based differences.

Purpose of the Study:

To investigate potential sex differences in the durability of professional cyclists.
To compare the effects of accumulated work on power output between male and female cyclists.

Main Methods:

An observational, field-based study involving 84 professional cyclists (42 female, 42 male).
Collected power output data over 1-5 seasons.
Assessed maximal power output for various durations (10s to 20min) under non-fatigued and fatigued conditions (10, 20, 30 kJ/kg accumulated work).

Main Results:

Both sexes showed reduced power output after >10 kJ/kg of accumulated work.
No significant sex difference in relative power decay for 10-second efforts.
Female cyclists demonstrated significantly greater relative power decay for 1-min, 5-min, and 20-min efforts compared to males, especially after 20 and 30 kJ/kg of work.

Conclusions:

Professional female cyclists exhibit lower durability compared to their male counterparts.
Greater relative decay in power output suggests sex-based differences in fatigue resistance and sustained performance.