However, laboratory conditions are standardised. Consequently, findings of specific laboratory tests can be directly compared to the cyclists’ performance during competition. Laboratory tests should assess a cyclist’s maximum capacity to produce power over durations that are typically encountered during races. These physiological requirements should be reflected in performance tests to improve the training prescription and to evaluate the effectiveness of the training, especially in competitive athletes Today, training in mountain biking is focused on performance-based training levels and modified high-intensity training zones to address short- and medium-term high-load events, especially in XCO racing Because the race duration was shortened several times in recent years and the technical sections of the course continuously increased, the race profiles became physiologically more irregular and technically more demanding with regard to the athletes' requirements This cycling event is regarded as a highly intensive intermittent activity due to its large number of alternating climbs and descents Elite athletes have to finish 4–7 laps on a course, which is 4–6 km long, leading to race durations from 80 up to 100 min XCO races get started with a mass start and are held over undulating circuits with technical descents, forest roads, rocky paths, and obstacles. Mountain bike cross-country Olympic (XCO) is one of four disciplines of mountain biking (MTB). Future research should take into account that compared to the field, a higher cadence is used in laboratory settings to produce similar power output. Confirming previous results, cadence was higher during the power profile test compared to the respective intervals of the race and increased with increasing workload or shorter time trial duration. Compared to the race, we found higher power output during the power profile test for the shorter efforts but lower for TT Power output and cadence during the power profile test were compared to corresponding short-term efforts during the race over durations of 10–300s (TT Twenty-three competitive athletes (17.9☓.7 years) performed a laboratory power profile test and a simulated race within one week. ![]() The aim was therefore to examine power output and cadence in short-term efforts under laboratory and field conditions. Previous findings indicate that power output during sprint tests differs between laboratory and field-based conditions and that cycling cadence rises with increasing workload. ![]() Mountain bike cross-country Olympic has an intermittent performance profile, underlining the importance of short-term but high cycling power output.
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