Physiological contributions to successful downhill mountain bike performance.
TL;DRAbstract
Purpose: To, one, investigate the anatomical and physiological attributes of Downhill mountain bike athletes and, two, to determine the influence of these inherent physiological attributes on Downhill race performance. Methods: The study consisted of two testing components; laboratory- and field-based testing. Laboratory study: An anthropometric profile was determined from seven trained and competitive DH athletes (age 21 ± 5 years). Peak power output and time to peak power were determined by six, 6-second maximal sprints, performed on an SRM stationary ergometer. Cadence was restricted during five sprints (60, 80, 100, 120 and 140 rpm) to determine optimal cadence for achieving peak power. Field study: Twelve trained and competitive DH athletes (age 20 ± 5 years) performed two timed runs of a National Championship DH course. Heart rate was recorded and two GPS units (attached to the bicycle and helmet) recorded speed (kmhr¬¬-1), distance (m), time (seconds) and impacts (g). Results:
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Purpose: To, one, investigate the anatomical and physiological attributes of Downhill mountain bike athletes and, two, to determine the influence of these inherent physiological attributes on Downhill race performance. Methods: The study consisted of two testing components; laboratory- and field-based testing. Laboratory study: An anthropometric profile was determined from seven trained and competitive DH athletes (age 21 ± 5 years). Peak power output and time to peak power were determined by six, 6-second maximal sprints, performed on an SRM stationary ergometer. Cadence was restricted during five sprints (60, 80, 100, 120 and 140 rpm) to determine optimal cadence for achieving peak power. Field study: Twelve trained and competitive DH athletes (age 20 ± 5 years) performed two timed runs of a National Championship DH course. Heart rate was recorded and two GPS units (attached to the bicycle and helmet) recorded speed (kmhr¬¬-1), distance (m), time (seconds) and impacts (g). Results:
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