Browsing by Subject "Rowing"

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    Una aproximación integral al origen del champán en el Río Magdalena (Siglos XVI-XIX).
    (Universidad de Murcia, Servicio de Publicaciones., 2024) Nieva Sanz, Daniel Miguel
    The connection between the interior of the New Kingdom of Granada and the ports of the Caribbean coast, as well as its link with the Crown since the mid-16th century, was possible through a navigation system supported by river boats that covered the navigable course of the Magdalena River. The definition of these nautical gadgets, beyond the established denomination, requires the assessment of the conceptual, morphological and functional aspects of these champanes, which played a strategic role for at least three centuries. In this way, the present application of a historiographical methodology with a nautical perspective on primary, manuscript and edited sources, as well as a comprehensive analysis, has allowed greater precision in the definition of champan and its role in one of the most relevant communication routes of Hispanic America throughout the Modern Age.
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    Do novice and experienced rowers adopt diferent pacing strategies and do their physiological and metabolic responses show optimisation?
    (Universidad de Murcia, 2018) Smith, Lee; Towner, April; Gordon, Dan; López Sánchez, Guillermo Felipe; Díaz Suárez, Arturo
    The aim was to evaluate the pacing strategies and metabolic and physiological responses of novice and experienced rowers, over a 2000m racing proile. he sample was composed of 7 male university and town boat club rowers, 5 of which were novice (age 22.4±2.6 yr, height 182.6±8.4 cm, mass 79.7±8.9 kg), and 2 experienced (age 23.0±4.2 yr, height 194.1±4.1 cm, mass 90.3±2.0 kg). All participants performed a 2000m racing proile on the rowing ergometer followed by 3 trials in randomised order (500m, 1000m, 1500m) at the stroke rate and split time set from the original 2000m test. he last session consisted of a O2max test. During these tests, gas exchange, haematology, heart rate, split times, stroke rate and distances were recorded. Blood lactate (BLa) accumulation in novice rowers was continuously increased and plateaued in the inal 500m quarter. Whereas, experienced rowers gradually increased in lactate accumulation, but maintained in the third quarter (1000-1500m) which allowed room for further accumulation in the inal quarter (1500-2000m). he volume of oxygen uptake ( O2 ) increased linearly until the inal 500m quarter for the experienced group, while novice rowers luctuated throughout the time trial. In terms of pacing, the novice rowers followed an expected “allout” strategy whereas, unexpectedly, the experienced rowers continuously dropped in speed until the mid-point (1000m) where they maintained a speed of 5.10m. s -1. he current indings suggest that at a physiological and metabolic level, the experienced rowers are more adapted to the demands of rowing a 2000m race. However, it appears that they do not always follow a “J-Shaped” strategy.