{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T22:51:51Z","timestamp":1790635911737,"version":"4.1.0"},"reference-count":46,"publisher":"Human Kinetics","issue":"11","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,11,1]]},"abstract":"<jats:p>\n                    <jats:italic>\n                      <jats:bold>Purpose<\/jats:bold>\n                      :\n                    <\/jats:italic>\n                    This study aimed to (a) examine the\u00a0effects of hot-water immersion (HWI) on vertical-jump performance, lower-limb power, and stretch-shortening cycle responses and (b) evaluate temperature-dependent responses by comparing 2 HWI conditions (40\u00a0\u00b0C vs 42\u00a0\u00b0C).\n                    <jats:italic>\n                      <jats:bold>Methods<\/jats:bold>\n                      :\n                    <\/jats:italic>\n                    Twenty healthy, physically active participants (12 male and 8 female; age 25.1 (2.7)\u00a0y; body mass index 22.6 [1.1]\u00a0kg\/m\n                    <jats:sup>2<\/jats:sup>\n                    ) completed countermovement-jump (CMJ) and drop-jump assessments before, after, and 15\u00a0minutes after a 45-minute water-immersion session at either 34\u00a0\u00b0C (control), 40\u00a0\u00b0C, or 42\u00a0\u00b0C in a randomized order. CMJ outcomes included jump height, peak force, and peak power, while drop-jump outcomes included jump height, reactive strength index, and vertical stiffness.\n                    <jats:italic>\n                      <jats:bold>Results<\/jats:bold>\n                      :\n                    <\/jats:italic>\n                    CMJ height increased following a 45-minute HWI session at both 40\u00a0\u00b0C and 42\u00a0\u00b0C (\n                    <jats:italic>P<\/jats:italic>\n                    \u2009&lt;\u2009.001,\n                    <jats:italic>d<\/jats:italic>\n                    \u2009=\u20091.09;\n                    <jats:italic>P<\/jats:italic>\n                    \u2009&lt;\u2009.001,\n                    <jats:italic>d<\/jats:italic>\n                    \u2009=\u20091.77), with no differences between the 2 conditions (\n                    <jats:italic>P<\/jats:italic>\n                    \u2009=\u2009.515). Similar improvements were found for peak power and force. At 15 minutes post\u2013water immersion, all performance measures returned to baseline and did not differ from the control condition. For the drop-jump tests, a main effect of temperature was observed. HWI at 42\u00a0\u00b0C significantly increased drop-jump height (\n                    <jats:italic>P<\/jats:italic>\n                    \u2009=\u2009.004;\n                    <jats:italic>d<\/jats:italic>\n                    \u2009=\u20090.71), whereas 40\u00a0\u00b0C did not (\n                    <jats:italic>P<\/jats:italic>\n                    \u2009=\u2009.205). Reactive strength index increased following both 40\u00a0\u00b0C (\n                    <jats:italic>P<\/jats:italic>\n                    \u2009=\u2009.002;\n                    <jats:italic>d<\/jats:italic>\n                    \u2009=\u20090.74) and 42\u00a0\u00b0C (\n                    <jats:italic>P<\/jats:italic>\n                    \u2009&lt;\u2009.001;\n                    <jats:italic>d<\/jats:italic>\n                    \u2009=\u20090.91) conditions. No significant changes were observed in vertical stiffness.\n                    <jats:italic>\n                      <jats:bold>Conclusion<\/jats:bold>\n                      :\n                    <\/jats:italic>\n                    Both HWI conditions, 40\u00a0\u00b0C and 42\u00a0\u00b0C, improved CMJ performance (height, force, and power) and reactive strength index, while only HWI at 42\u00a0\u00b0C enhanced drop-jump height. These effects were transient, returning to baseline within 15 minutes postimmersion.\n                  <\/jats:p>","DOI":"10.1123\/ijspp.2025-0197","type":"journal-article","created":{"date-parts":[[2025,9,16]],"date-time":"2025-09-16T18:07:27Z","timestamp":1758046047000},"page":"1564-1571","source":"Crossref","is-referenced-by-count":2,"title":["Hot-Water Immersion Enhances Vertical-Jump Performance, Lower-Limb Power, and Stretch-Shortening Cycle"],"prefix":"10.1123","volume":"20","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8643-3971","authenticated-orcid":true,"given":"Patrick","family":"Rodrigues","sequence":"first","affiliation":[{"name":"School of Sport and Human Movement, University of Waikato, Hamilton, New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2166-7966","authenticated-orcid":true,"given":"Justin S.","family":"Lawley","sequence":"additional","affiliation":[{"name":"Department of Sport Science, Performance Physiology and Prevention, University of Innsbruck, Innsbruck, Austria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gilles C.F.","family":"Zovil\u00e9","sequence":"additional","affiliation":[{"name":"Department of Sport Science, Performance Physiology and Prevention, University of Innsbruck, Innsbruck, Austria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0588-0871","authenticated-orcid":true,"given":"Diego","family":"Ja\u00e9n-Carrillo","sequence":"additional","affiliation":[{"name":"Department of Sport Science, Performance Physiology and Prevention, University of Innsbruck, Innsbruck, Austria"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"100","reference":[{"issue":"5\u20136","key":"r1","series-title":"Eur J Appl Physiol","doi-asserted-by":"publisher","first-page":"729","DOI":"10.1007\/s00421-004-1063-z","article-title":"Passive hyperthermia reduces voluntary activation and isometric force production","volume":"91","author":"Morrison S","year":"2004","unstructured":"Morrison S, Sleivert GG, Cheung SS. 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