{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T22:59:06Z","timestamp":1787007546824,"version":"build-2736575974"},"reference-count":34,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2019,11,13]],"date-time":"2019-11-13T00:00:00Z","timestamp":1573603200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["www.tandfonline.com"],"crossmark-restriction":true},"short-container-title":["European Journal of Sport Science"],"published-print":{"date-parts":[[2020,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    <jats:bold>Purpose:<\/jats:bold>\n                    To examine the association between day\u2010to\u2010day resting cardiac parasympathetic variability over consecutive non\u2010training days (i.e. weekend) and accumulated exercise stress when quantified using indices of cardiovascular strain.\n                    <jats:bold>Methods:<\/jats:bold>\n                    Twelve international calibre female field hockey players training as part of a national team were participants over a four\u2010week mesocycle prior to a 2016 Olympic qualifying tournament. On\u2010field exercise stress was examined using heart rate (HR) dynamics and quantified as; (1) training load and (2) time (min) spent above anaerobic threshold. The square root of the mean squared differences of successive cardiac cycles (R\u2013R intervals) recorded on Saturday and Sunday were individually calculated and log\u2010transformed prior to being averaged (Ln rMSSDweekend). Day\u2010to\u2010day variation in Ln rMSSD over the weekend was expressed using the coefficient of variation (Ln rMSSD\n                    <jats:sub>CV<\/jats:sub>\n                    ). Non\u2010linear regression analysis examined the association between accumulated exercise stress and Ln rMSSD\n                    <jats:sub>CV<\/jats:sub>\n                    .\n                    <jats:bold>Results:<\/jats:bold>\n                    A quadratic association between each index of exercise stress and Ln rMSSD\n                    <jats:sub>CV<\/jats:sub>\n                    was identified. After converting the coefficient of determination into a correlation coefficient (90% CL), the respective association between Ln rMSSD\n                    <jats:sub>CV<\/jats:sub>\n                    and training load (AU);\n                    <jats:italic>r<\/jats:italic>\n                    = 0.40 (0.16:0.59) and time above threshold;\n                    <jats:italic>r<\/jats:italic>\n                    = 0.35 (0.06:0.59) were observed.\n                    <jats:bold>Conclusion:<\/jats:bold>\n                    Ln rMSSD\n                    <jats:sub>CV<\/jats:sub>\n                    derived over consecutive non\u2010training days displayed a moderate, yet significant association between accumulated exercise stress when expressed as global or high\u2010intensity indices of cardiovascular strain. Weekend assessments may offer a practical and appropriate juncture between microcycles to assess the magnitude of perturbation in cardiac autonomic homeostasis prior to entering subsequent training periods.\n                  <\/jats:p>","DOI":"10.1080\/17461391.2019.1688397","type":"journal-article","created":{"date-parts":[[2019,11,1]],"date-time":"2019-11-01T03:24:27Z","timestamp":1572578667000},"page":"1072-1082","update-policy":"https:\/\/doi.org\/10.1080\/tandf_crossmark_01","source":"Crossref","is-referenced-by-count":7,"title":["Consecutive non\u2010training days over a weekend for assessing cardiac parasympathetic variation in response to accumulated exercise stress"],"prefix":"10.1002","volume":"20","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1482-8688","authenticated-orcid":false,"given":"Andrew S.","family":"Perrotta","sequence":"first","affiliation":[{"name":"Cardiovascular Physiology &amp; Rehabilitation Laboratory University of British Columbia Vancouver Canada"},{"name":"Faculty of Medicine University of British Columbia Vancouver Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael S.","family":"Koehle","sequence":"additional","affiliation":[{"name":"Faculty of Medicine Division of Sports Medicine University of British Columbia Vancouver Canada"},{"name":"Faculty of Education School of Kinesiology University of British Columbia Vancouver Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matthew D.","family":"White","sequence":"additional","affiliation":[{"name":"Department of Biomedical Physiology &amp; Kinesiology Simon Fraser University Burnaby Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jack E.","family":"Taunton","sequence":"additional","affiliation":[{"name":"Faculty of Medicine Division of Sports Medicine University of British Columbia Vancouver Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Darren E.R.","family":"Warburton","sequence":"additional","affiliation":[{"name":"Cardiovascular Physiology &amp; Rehabilitation Laboratory University of British Columbia Vancouver Canada"},{"name":"Faculty of Medicine University of British Columbia Vancouver Canada"},{"name":"Faculty of Education School of Kinesiology University of British Columbia Vancouver Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2019,11,13]]},"reference":[{"key":"e_1_2_10_2_1","first-page":"403","volume-title":"Physiological testing of elite athletes","author":"Banister E.","year":"1991"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.2114\/ahs1983.11.345"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1152\/ajpheart.1981.241.4.H571"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.3389\/fphys.2014.00073"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1152\/ajpheart.00008.2006"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00421-008-0925-1"},{"key":"e_1_2_10_8_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00421-010-1422-x"},{"key":"e_1_2_10_9_1","volume-title":"Statistical power analysis for the behavioral sciences","author":"Cohen J.","year":"1988"},{"key":"e_1_2_10_10_1","doi-asserted-by":"publisher","DOI":"10.1519\/JSC.0000000000001095"},{"key":"e_1_2_10_11_1","doi-asserted-by":"publisher","DOI":"10.1111\/cpf.12233"},{"key":"e_1_2_10_12_1","doi-asserted-by":"publisher","DOI":"10.1519\/JSC.0000000000001482"},{"key":"e_1_2_10_13_1","doi-asserted-by":"publisher","DOI":"10.23736\/S0022-4707.16.06322-2"},{"key":"e_1_2_10_14_1","doi-asserted-by":"publisher","DOI":"10.2165\/11590430-000000000-00000"},{"key":"e_1_2_10_15_1","doi-asserted-by":"publisher","DOI":"10.1152\/jappl.1998.84.5.1687"},{"key":"e_1_2_10_16_1","doi-asserted-by":"publisher","DOI":"10.1161\/01.CIR.93.5.1043"},{"key":"e_1_2_10_17_1","doi-asserted-by":"publisher","DOI":"10.2165\/00007256-200030010-00001"},{"key":"e_1_2_10_18_1","doi-asserted-by":"publisher","DOI":"10.1249\/MSS.0b013e31818cb278"},{"issue":"1","key":"e_1_2_10_19_1","first-page":"44","article-title":"The influence of a weekend with passive rest on the psychological and autonomic recovery in professional handball players","volume":"47","author":"Leme L. 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