{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T17:51:26Z","timestamp":1790790686987,"version":"4.1.0"},"reference-count":22,"publisher":"Human Kinetics","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2015,3]]},"abstract":"<jats:sec sec-type=\"purpose\"><jats:title>Purpose:<\/jats:title><jats:p>To identify physiological, psychological, and skill characteristics that explain performance in downhill (DH) mountainbike racing.<\/jats:p><\/jats:sec><jats:sec sec-type=\"methods\"><jats:title>Methods:<\/jats:title><jats:p>Four studies were used to (1) identify factors potentially contributing to DH performance (using an expert focus group), (2) develop and validate a measure of rider skill (using video analysis and expert judge evaluation), (3) evaluate whether physiological, psychological, and skill variables contribute to performance at a DH competition, and (4) test the specific contribution of aerobic capacity to DH performance.<\/jats:p><\/jats:sec><jats:sec sec-type=\"results\"><jats:title>Results:<\/jats:title><jats:p>Study 1 identified aerobic capacity, handgrip endurance, anaerobic power, rider skill, and self-confidence as potentially important for DH. In study 2 the rider-skill measure displayed good interrater reliability. Study 3 found that rider skill and handgrip endurance were significantly related to DH ride time (\u03b2 = \u20130.76 and \u20130.14, respectively; <jats:italic>R<\/jats:italic><jats:sup>2<\/jats:sup> = .73), with exploratory analyses suggesting that DH ride time may also be influenced by self-confidence and aerobic capacity. Study 4 confirmed aerobic capacity as an important variable influencing DH performance (for a DH ride, mean oxygen uptake was 49 \u00b1 5 mL \u00b7 kg<jats:sup>\u22121<\/jats:sup> \u00b7 min<jats:sup>\u22121<\/jats:sup>, and 90% of the ride was completed above the 1st ventilatory threshold).<\/jats:p><\/jats:sec><jats:sec sec-type=\"conclusions\"><jats:title>Conclusions:<\/jats:title><jats:p>In order of importance, rider skill, handgrip endurance, self-confidence, and aerobic capacity were identified as variables influencing DH performance. Practically, this study provides a novel assessment of rider skill that could be used by coaches to monitor training and identify talent. Novel intervention targets to enhance DH performance were also identified, including self-confidence and aerobic capacity.<\/jats:p><\/jats:sec>","DOI":"10.1123\/ijspp.2014-0135","type":"journal-article","created":{"date-parts":[[2014,7,8]],"date-time":"2014-07-08T15:15:03Z","timestamp":1404832503000},"page":"183-190","source":"Crossref","is-referenced-by-count":21,"title":["Characteristics Explaining Performance in Downhill Mountain Biking"],"prefix":"10.1123","volume":"10","author":[{"given":"Joel B.","family":"Chidley","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexandra L.","family":"MacGregor","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Caoimhe","family":"Martin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Calum 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