{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T00:42:05Z","timestamp":1790642525142,"version":"4.1.0"},"reference-count":36,"publisher":"Elsevier BV","issue":"9","license":[{"start":{"date-parts":[[2016,9,1]],"date-time":"2016-09-01T00:00:00Z","timestamp":1472688000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":["jsams.org","clinicalkey.jp","clinicalkey.com","clinicalkey.es","clinicalkey.com.au","clinicalkey.fr","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Journal of Science and Medicine in Sport"],"published-print":{"date-parts":[[2016,9]]},"DOI":"10.1016\/j.jsams.2015.11.006","type":"journal-article","created":{"date-parts":[[2015,12,12]],"date-time":"2015-12-12T05:12:49Z","timestamp":1449897169000},"page":"702-706","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":123,"title":["Do isometric and isotonic exercise programs reduce pain in athletes with patellar tendinopathy in-season? A randomised clinical trial"],"prefix":"10.1016","volume":"19","author":[{"given":"Mathijs","family":"van Ark","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jill L.","family":"Cook","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sean I.","family":"Docking","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Johannes","family":"Zwerver","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"James E.","family":"Gaida","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Inge","family":"van den Akker-Scheek","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ebonie","family":"Rio","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"issue":"4","key":"10.1016\/j.jsams.2015.11.006_bib0155","doi-asserted-by":"crossref","first-page":"561","DOI":"10.1177\/0363546504270454","article-title":"Prevalence of jumper's knee among elite athletes from different sports\u2014a cross-sectional study","volume":"33","author":"Lian","year":"2005","journal-title":"Am J Sports Med"},{"issue":"2","key":"10.1016\/j.jsams.2015.11.006_bib0160","doi-asserted-by":"crossref","first-page":"351","DOI":"10.1007\/s00167-012-2100-9","article-title":"Open versus arthroscopic surgical treatment of chronic proximal patellar tendinopathy. A systematic review","volume":"21","author":"Muccioli","year":"2013","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"issue":"2","key":"10.1016\/j.jsams.2015.11.006_bib0165","doi-asserted-by":"crossref","first-page":"124","DOI":"10.1016\/j.ptsp.2012.05.002","article-title":"An exercise-based physical therapy program for patients with patellar tendinopathy after platelet-rich plasma injection","volume":"14","author":"Van Ark","year":"2013","journal-title":"Phys Ther Sport"},{"issue":"6","key":"10.1016\/j.jsams.2015.11.006_bib0170","doi-asserted-by":"crossref","first-page":"1191","DOI":"10.1177\/0363546510395492","article-title":"No effect of extracorporeal shockwave therapy on patellar tendinopathy in jumping athletes during the competitive season: a randomized clinical trial","volume":"39","author":"Zwerver","year":"2011","journal-title":"Am J Sports Med"},{"issue":"4","key":"10.1016\/j.jsams.2015.11.006_bib0175","doi-asserted-by":"crossref","first-page":"500","DOI":"10.1111\/j.1600-0838.2009.00986.x","article-title":"From mechanical loading to collagen synthesis, structural changes and function in human tendon","volume":"19","author":"Kjaer","year":"2009","journal-title":"Scand J Med Sci Sports"},{"issue":"3","key":"10.1016\/j.jsams.2015.11.006_bib0180","doi-asserted-by":"crossref","first-page":"360","DOI":"10.1177\/03635465980260030301","article-title":"Heavy-load eccentric calf muscle training for the treatment of chronic Achilles tendinosis","volume":"26","author":"Alfredson","year":"1998","journal-title":"Am J Sports Med"},{"issue":"4","key":"10.1016\/j.jsams.2015.11.006_bib0185","doi-asserted-by":"crossref","first-page":"395","DOI":"10.1136\/bjsm.2003.000053","article-title":"A pilot study of the eccentric decline squat in the management of painful chronic patellar tendinopathy","volume":"38","author":"Purdam","year":"2004","journal-title":"Br J Sports Med"},{"key":"10.1016\/j.jsams.2015.11.006_bib0190","doi-asserted-by":"crossref","first-page":"65","DOI":"10.1097\/00003086-198607000-00014","article-title":"Eccentric exercise in chronic tendinitis","volume":"208","author":"Stanish","year":"1986","journal-title":"Clin Orthop"},{"issue":"4","key":"10.1016\/j.jsams.2015.11.006_bib0195","doi-asserted-by":"crossref","first-page":"217","DOI":"10.1136\/bjsm.2006.032417","article-title":"The evolution of eccentric training as treatment for patellar tendinopathy (jumper's knee): a critical review of exercise programmes","volume":"41","author":"Visnes","year":"2007","journal-title":"Br J Sports Med"},{"issue":"4","key":"10.1016\/j.jsams.2015.11.006_bib0200","doi-asserted-by":"crossref","first-page":"227","DOI":"10.1097\/01.jsm.0000168073.82121.20","article-title":"No effect of eccentric training on jumper's knee in volleyball players during the competitive season: a randomized clinical trial","volume":"15","author":"Visnes","year":"2005","journal-title":"Clin J Sport Med"},{"issue":"3","key":"10.1016\/j.jsams.2015.11.006_bib0205","doi-asserted-by":"crossref","first-page":"451","DOI":"10.1177\/0363546507310073","article-title":"Prophylactic training in asymptomatic soccer players with ultrasonographic abnormalities in Achilles and patellar tendons: the Danish Super League Study","volume":"36","author":"Fredberg","year":"2008","journal-title":"Am J Sports Med"},{"issue":"12","key":"10.1016\/j.jsams.2015.11.006_bib0210","doi-asserted-by":"crossref","first-page":"1139","DOI":"10.1016\/j.jpain.2012.09.006","article-title":"A meta-analytic review of the hypoalgesic effects of exercise","volume":"13","author":"Naugle","year":"2012","journal-title":"J Pain"},{"issue":"4","key":"10.1016\/j.jsams.2015.11.006_bib0215","doi-asserted-by":"crossref","first-page":"749","DOI":"10.1177\/0363546509350915","article-title":"Fibril morphology and tendon mechanical properties in patellar tendinopathy: effects of heavy slow resistance training","volume":"38","author":"Kongsgaard","year":"2010","journal-title":"Am J Sports Med"},{"issue":"6","key":"10.1016\/j.jsams.2015.11.006_bib0220","doi-asserted-by":"crossref","first-page":"790","DOI":"10.1111\/j.1600-0838.2009.00949.x","article-title":"Corticosteroid injections, eccentric decline squat training and heavy slow resistance training in patellar tendinopathy","volume":"19","author":"Kongsgaard","year":"2009","journal-title":"Scand Med Sci Sports"},{"issue":"1","key":"10.1016\/j.jsams.2015.11.006_bib0225","doi-asserted-by":"crossref","first-page":"60","DOI":"10.1136\/bjsm.35.1.60","article-title":"A randomised clinical trial of the efficacy of drop squats or leg extension\/leg curl exercises to treat clinically diagnosed jumper's knee in athletes: pilot study","volume":"35","author":"Cannell","year":"2001","journal-title":"Br J Sports Med"},{"issue":"Suppl 2","key":"10.1016\/j.jsams.2015.11.006_bib0230","doi-asserted-by":"crossref","first-page":"S57","DOI":"10.1136\/bjsports-2014-094114.87","article-title":"Exercise reduces pain immediately and affects cortical inhibition in patellar tendinopathy","volume":"48","author":"Rio","year":"2014","journal-title":"Br J Sports Med"},{"issue":"1","key":"10.1016\/j.jsams.2015.11.006_bib0235","doi-asserted-by":"crossref","first-page":"3","DOI":"10.1016\/S1466-853X(02)00069-X","article-title":"Discriminative ability of functional loading tests for adolescent jumper's knee","volume":"4","author":"Purdam","year":"2003","journal-title":"Phys Ther Sport"},{"issue":"4","key":"10.1016\/j.jsams.2015.11.006_bib0240","doi-asserted-by":"crossref","first-page":"264","DOI":"10.1136\/bjsm.2006.032482","article-title":"Biomechanical analysis of the single-leg decline squat","volume":"41","author":"Zwerver","year":"2007","journal-title":"Br J Sports Med"},{"issue":"4","key":"10.1016\/j.jsams.2015.11.006_bib0245","doi-asserted-by":"crossref","first-page":"283","DOI":"10.1016\/j.ejpain.2003.09.004","article-title":"Minimal clinically important changes in chronic musculoskeletal pain intensity measured on a numerical rating scale","volume":"8","author":"Salaffi","year":"2004","journal-title":"Eur J Pain"},{"issue":"1","key":"10.1016\/j.jsams.2015.11.006_bib0250","doi-asserted-by":"crossref","first-page":"22","DOI":"10.1016\/S1440-2440(98)80005-4","article-title":"The VISA score: an index of severity of symptoms in patients with jumper's knee (patellar tendinosis)","volume":"1","author":"Visentini","year":"1998","journal-title":"J Sci Med Sport"},{"issue":"6","key":"10.1016\/j.jsams.2015.11.006_bib0255","doi-asserted-by":"crossref","first-page":"453","DOI":"10.1136\/bjsports-2012-091163","article-title":"Responsiveness of the VISA-P scale for patellar tendinopathy in athletes","volume":"48","author":"Hernandez-Sanchez","year":"2014","journal-title":"Br J Sports Med"},{"key":"10.1016\/j.jsams.2015.11.006_bib0260","first-page":"1","article-title":"Treatment of midportion Achilles tendinopathy: an evidence-based overview","author":"Zwiers","year":"2014","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"issue":"8","key":"10.1016\/j.jsams.2015.11.006_bib0265","doi-asserted-by":"crossref","first-page":"1632","DOI":"10.1007\/s00167-011-1825-1","article-title":"Treatment of patellar tendinopathy\u2014a systematic review of randomized controlled trials","volume":"20","author":"Larsson","year":"2012","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"issue":"4","key":"10.1016\/j.jsams.2015.11.006_bib0270","doi-asserted-by":"crossref","first-page":"267","DOI":"10.1007\/s40279-013-0019-z","article-title":"Achilles and patellar tendinopathy loading programmes","volume":"43","author":"Malliaras","year":"2013","journal-title":"Sports Med"},{"issue":"11","key":"10.1016\/j.jsams.2015.11.006_bib0275","doi-asserted-by":"crossref","first-page":"847","DOI":"10.1136\/bjsm.2005.018630","article-title":"Superior results with eccentric compared to concentric quadriceps training in patients with jumper's knee: a prospective randomised study","volume":"39","author":"Jonsson","year":"2005","journal-title":"Br J Sports Med"},{"issue":"2","key":"10.1016\/j.jsams.2015.11.006_bib0280","doi-asserted-by":"crossref","first-page":"102","DOI":"10.1136\/bjsm.2003.010587","article-title":"Eccentric decline squat protocol offers superior results at 12 months compared with traditional eccentric protocol for patellar tendinopathy in volleyball players","volume":"39","author":"Young","year":"2005","journal-title":"Br J Sports Med"},{"issue":"7","key":"10.1016\/j.jsams.2015.11.006_bib0285","doi-asserted-by":"crossref","first-page":"506","DOI":"10.1136\/bjsports-2012-092078","article-title":"The challenge of managing tendinopathy in competing athletes","volume":"48","author":"Cook","year":"2014","journal-title":"Br J Sports Med"},{"issue":"16","key":"10.1016\/j.jsams.2015.11.006_bib0290","doi-asserted-by":"crossref","first-page":"3073","DOI":"10.1016\/j.jbiomech.2010.08.014","article-title":"Plasticity of human Achilles tendon mechanical and morphological properties in response to cyclic strain","volume":"43","author":"Arampatzis","year":"2010","journal-title":"J Biomech"},{"issue":"3","key":"10.1016\/j.jsams.2015.11.006_bib0295","doi-asserted-by":"crossref","first-page":"316","DOI":"10.1123\/jab.26.3.316","article-title":"Effects of training on muscle and tendon in knee extensors and plantar flexors in vivo","volume":"26","author":"Kubo","year":"2010","journal-title":"J Appl Biomech"},{"issue":"1","key":"10.1016\/j.jsams.2015.11.006_bib0300","doi-asserted-by":"crossref","first-page":"9","DOI":"10.1007\/s40279-013-0096-z","article-title":"The pain of tendinopathy: physiological or pathophysiological?","volume":"44","author":"Rio","year":"2014","journal-title":"Sports Med"},{"issue":"4","key":"10.1016\/j.jsams.2015.11.006_bib0305","doi-asserted-by":"crossref","first-page":"188","DOI":"10.1136\/bjsm.2006.029769","article-title":"Chronic tendinopathy: effectiveness of eccentric exercise","volume":"41","author":"Woodley","year":"2007","journal-title":"Br J Sports Med"},{"issue":"9","key":"10.1016\/j.jsams.2015.11.006_bib0310","doi-asserted-by":"crossref","first-page":"536","DOI":"10.1136\/bjsports-2013-092329","article-title":"Sports and exercise-related tendinopathies: a review of selected topical issues by participants of the second International Scientific Tendinopathy Symposium (ISTS) Vancouver 2012","volume":"47","author":"Scott","year":"2013","journal-title":"Br J Sports Med"},{"issue":"1","key":"10.1016\/j.jsams.2015.11.006_bib0315","doi-asserted-by":"crossref","first-page":"3","DOI":"10.1111\/sms.12208","article-title":"Eccentric exercise training in chronic mid-portion Achilles tendinopathy: a systematic review on different protocols","volume":"25","author":"Habets","year":"2015","journal-title":"Scand J Med Sci Sports"},{"issue":"1","key":"10.1016\/j.jsams.2015.11.006_bib0320","doi-asserted-by":"crossref","first-page":"26","DOI":"10.2522\/ptj.20070242","article-title":"Nonsurgical management of posterior tibial tendon dysfunction with orthoses and resistive exercise: a randomized controlled trial","volume":"89","author":"Kulig","year":"2009","journal-title":"Phys Ther"},{"issue":"6","key":"10.1016\/j.jsams.2015.11.006_bib0325","doi-asserted-by":"crossref","first-page":"897","DOI":"10.1177\/0363546506298279","article-title":"Continued sports activity, using a pain-monitoring model, during rehabilitation in patients with Achilles tendinopathy: a randomized controlled study","volume":"35","author":"Silbernagel","year":"2007","journal-title":"Am J Sports Med"},{"issue":"6","key":"10.1016\/j.jsams.2015.11.006_bib0330","doi-asserted-by":"crossref","first-page":"409","DOI":"10.1136\/bjsm.2008.051193","article-title":"Is tendon pathology a continuum? A pathology model to explain the clinical presentation of load-induced tendinopathy","volume":"43","author":"Cook","year":"2009","journal-title":"Br J Sports Med"}],"container-title":["Journal of Science and Medicine in Sport"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1440244015002315?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1440244015002315?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2022,5,29]],"date-time":"2022-05-29T02:27:34Z","timestamp":1653791254000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1440244015002315"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2016,9]]},"references-count":36,"journal-issue":{"issue":"9","published-print":{"date-parts":[[2016,9]]}},"alternative-id":["S1440244015002315"],"URL":"https:\/\/doi.org\/10.1016\/j.jsams.2015.11.006","relation":{},"ISSN":["1440-2440"],"issn-type":[{"value":"1440-2440","type":"print"}],"subject":[],"published":{"date-parts":[[2016,9]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Do isometric and isotonic exercise programs reduce pain in athletes with patellar tendinopathy in-season? A randomised clinical trial","name":"articletitle","label":"Article Title"},{"value":"Journal of Science and Medicine in Sport","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.jsams.2015.11.006","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2015 Sports Medicine Australia. Published by Elsevier Ltd. All rights reserved.","name":"copyright","label":"Copyright"}]}}