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Seven aerial and six underwater cameras were used to assess kinematics (one cycle), with upper-limb coordination computed through a continuous relative phase and index of coordination. A cluster analysis identified six patterns of coordination used by swimmers when facing various speed and stroke frequency constraints. The patterns\u2019 nature and the way the swimmers shifted between them are more important than getting the highest number of patterns (range of repertoire), that is, a change in the motor pattern in order to adapt correctly is more important than being able to execute a great number of patterns.<\/jats:p>","DOI":"10.1123\/mc.2018-0070","type":"journal-article","created":{"date-parts":[[2019,4,23]],"date-time":"2019-04-23T04:39:55Z","timestamp":1555994395000},"page":"535-552","source":"Crossref","is-referenced-by-count":16,"title":["Task Constraints and Coordination Flexibility in Young Swimmers"],"prefix":"10.1123","volume":"23","author":[{"given":"Ana F.","family":"Silva","sequence":"first","affiliation":[{"name":"University of Porto"}]},{"given":"Pedro","family":"Figueiredo","sequence":"additional","affiliation":[{"name":"Portuguese Football Federation"}]},{"given":"Sara","family":"Morais","sequence":"additional","affiliation":[{"name":"University of Porto"}]},{"given":"Jo\u00e3o P.","family":"Vilas-Boas","sequence":"additional","affiliation":[{"name":"University of Porto"}]},{"given":"Ricardo J.","family":"Fernandes","sequence":"additional","affiliation":[{"name":"University of Porto"}]},{"given":"Ludovic","family":"Seifert","sequence":"additional","affiliation":[{"name":"University of Rouen Normandy"}]}],"member":"100","reference":[{"issue":"3","key":"r1","series-title":"Journal of Experimental Psychology: Human Perception and Performance,","first-page":"499","article-title":"Dynamics of human postural transitions","volume":"28","author":"Bardy, B.","year":"2002","unstructured":"Bardy, B., Oullier, O., Bootsma, R., & Stoffregen, T. 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