{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,5]],"date-time":"2026-01-05T15:14:53Z","timestamp":1767626093763,"version":"build-2065373602"},"reference-count":32,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2019,5,23]],"date-time":"2019-05-23T00:00:00Z","timestamp":1558569600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sports"],"abstract":"<jats:p>Training camps are typical in elite Canoeing preparation, during which, the care to assure adaptation to avoid undesired fatigue is not always present. This study aimed identifying a specific sex response in perceived training loads, recovery and stress balance, and cardiac autonomic responses. Twenty-one elite athletes (11 males and 10 females) of the Portuguese Canoeing National team participated in the investigation. The daily HRV (lnRMSSD) was monitored. The (RESTQ-52) questionnaire was used to access the recovery and stress state. The 10-day training camp was composed of two consecutive 5-day periods (P1 and P2). Data analyses were performed using confidence limits, effect size, and magnitude-based inference. In the females, Session rating of perceived exertion (sRPE), lnRMSSD, and its coefficient of variation did not change between P1 and P2. However, in males, lnRMSSD showed a small reduction from P1 to P2. Also, sRPE was higher in males over the training period, with a possibly small difference at P2. Regarding RESTQ-52, total stress most likely increased with large and very large differences in males and moderate differences in females during the training period. Male canoeists undertook higher perceived training loads than females, with a consequent higher level of total perceived stress and lnRMSSD during a 10-day training camp.<\/jats:p>","DOI":"10.3390\/sports7050126","type":"journal-article","created":{"date-parts":[[2019,5,24]],"date-time":"2019-05-24T02:22:00Z","timestamp":1558664520000},"page":"126","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Heart Rate Variability and Stress Recovery Responses during a Training Camp in Elite Young Canoe Sprint Athletes"],"prefix":"10.3390","volume":"7","author":[{"given":"Andr\u00e9","family":"Coelho","sequence":"first","affiliation":[{"name":"Research Center for Sport and Physical Activity (CIDAF), Faculty of Sports Science and Physical Education, University of Coimbra, Coimbra 3040-256, Portugal"},{"name":"Department of Human Resources Training, Portuguese Canoe Federation, Vila Nova de Gaia 4430-750, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5336-3652","authenticated-orcid":false,"given":"F\u00e1bio","family":"Nakamura","sequence":"additional","affiliation":[{"name":"Department of Medicine and Aging Sciences, \u201cG. d\u2019Annunzio\u201d, University of Chieti-Pescara, Chieti - Via dei Vestini 31, Italy"},{"name":"The College of Healthcare Sciences, James Cook University, Townsville QLD 4811, Australia"}]},{"given":"Micaela","family":"Morgado","sequence":"additional","affiliation":[{"name":"Faculty of Sports, University of Porto, Porto 4200-450, Portugal"}]},{"given":"Clifton","family":"Holmes","sequence":"additional","affiliation":[{"name":"Department of Kinesiology, The University of Alabama, Tuscaloosa, AL 35487, USA"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4473-4909","authenticated-orcid":false,"given":"Angela","family":"Di Baldassarre","sequence":"additional","affiliation":[{"name":"Department of Medicine and Aging Sciences, \u201cG. d\u2019Annunzio\u201d, University of Chieti-Pescara, Chieti - Via dei Vestini 31, Italy"}]},{"given":"Michael","family":"Esco","sequence":"additional","affiliation":[{"name":"Department of Kinesiology, The University of Alabama, Tuscaloosa, AL 35487, USA"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9619-8618","authenticated-orcid":false,"given":"Luis","family":"Rama","sequence":"additional","affiliation":[{"name":"Research Center for Sport and Physical Activity (CIDAF), Faculty of Sports Science and Physical Education, University of Coimbra, Coimbra 3040-256, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2019,5,23]]},"reference":[{"key":"ref_1","first-page":"501","article-title":"Nutritional practices of elite swimmers during an intensified training camp: With particular reference to antioxidants","volume":"52","author":"Slattery","year":"2012","journal-title":"J. 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