{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T04:37:38Z","timestamp":1790743058512,"version":"4.1.0"},"reference-count":36,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2024,8,29]],"date-time":"2024-08-29T00:00:00Z","timestamp":1724889600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2024,8,29]],"date-time":"2024-08-29T00:00:00Z","timestamp":1724889600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["physoc.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Experimental Physiology"],"published-print":{"date-parts":[[2025,11]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    We investigated whether 10 weeks of pre\u2010season soccer training (including high\u2010intensity resistance exercise) with hydrolysed collagen (COL) supplementation would confer greater changes in patellar tendon (PT) mechanical and material properties compared with placebo (PLA) in professional female soccer athletes. Eleven athletes from the first team squad of a Football Association Women's Championship soccer club volunteered to participate in this study (age, 25.7\u00a0\u00b1\u00a04.2 years; height, 1.68\u00a0\u00b1\u00a00.04\u00a0m; mass, 64.0\u00a0\u00b1\u00a04.6\u00a0kg). Participants were pair\u2010matched for baseline knee extensor maximum isometric voluntary contraction torque, age, height and mass and were randomly assigned to the COL group (\n                    <jats:italic>n\u00a0<\/jats:italic>\n                    =\u00a06) or PLA group (\n                    <jats:italic>n\u00a0<\/jats:italic>\n                    =\u00a05). Participants were given 30\u00a0g COL or energy\u2010matched (36.5\u00a0g maltodextrin and 8.4\u00a0g fructose) PLA, plus 500\u00a0mg vitamin C before each training session, which consisted of high\u2010intensity lower\u2010limb resistance exercise, plyometric or pitch\u2010based exercise 3 days\/week for 10\u00a0weeks during the pre\u2010season period. We assessed knee extensor maximum isometric voluntary contraction torque and PT properties using isokinetic dynamometry and ultrasonography before and after the intervention. The PT stiffness [COL, +15.4%\u00a0\u00b1\u00a03.1% (\n                    <jats:italic>d\u00a0<\/jats:italic>\n                    =\u00a00.81) vs. PLA, +4.6%\u00a0\u00b1\u00a03.0% (\n                    <jats:italic>d\u00a0<\/jats:italic>\n                    =\u00a00.32),\n                    <jats:italic>P\u00a0<\/jats:italic>\n                    =\u00a00.002] and Young's modulus [COL, +14.2%\u00a0\u00b1\u00a04.0% (\n                    <jats:italic>d\u00a0<\/jats:italic>\n                    =\u00a00.65) vs. PLA, +3.4%\u00a0\u00b1\u00a02.8% (\n                    <jats:italic>d\u00a0<\/jats:italic>\n                    =\u00a00.15),\n                    <jats:italic>P\u00a0<\/jats:italic>\n                    =\u00a00.004] increased more in COL than in PLA. There was a main effect of training on PT cross\u2010sectional area (\n                    <jats:italic>P\u00a0<\/jats:italic>\n                    =\u00a00.027), but no interaction effect (\n                    <jats:italic>P\u00a0<\/jats:italic>\n                    =\u00a00.934). To conclude, 10 weeks of pre\u2010season soccer training (incorporating high\u2010intensity resistance exercise) with 30\u00a0g COL increased PT stiffness and Young's modulus more than training alone in professional female soccer athletes. This has positive implications for improving athletic performance and mitigating injury risk.\n                  <\/jats:p>","DOI":"10.1113\/ep092106","type":"journal-article","created":{"date-parts":[[2024,8,29]],"date-time":"2024-08-29T12:39:06Z","timestamp":1724935146000},"page":"1551-1560","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["High\u2010intensity resistance training and collagen supplementation improve patellar tendon adaptations in professional female soccer athletes"],"prefix":"10.1113","volume":"110","author":[{"given":"Joonsung","family":"Lee","sequence":"first","affiliation":[{"name":"School of Sport and Exercise Sciences Liverpool John Moores University  Liverpool UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David C.","family":"Robshaw","sequence":"additional","affiliation":[{"name":"School of Sport and Exercise Sciences Liverpool John Moores University  Liverpool UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5705-0207","authenticated-orcid":false,"given":"Robert M.","family":"Erskine","sequence":"additional","affiliation":[{"name":"School of Sport and Exercise Sciences Liverpool John Moores University  Liverpool UK"},{"name":"Institute of Sport, Exercise and Health University College London  London 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