{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,6]],"date-time":"2026-03-06T03:09:54Z","timestamp":1772766594773,"version":"3.50.1"},"reference-count":0,"publisher":"Human Kinetics","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2015,8]]},"abstract":"<jats:sec sec-type=\"context\"><jats:title>Context:<\/jats:title><jats:p>Stretching exercises are commonly prescribed for patients and healthy individuals with limited extensibility of the gastrocnemius muscle.<\/jats:p><\/jats:sec><jats:sec sec-type=\"objective\"><jats:title>Objective:<\/jats:title><jats:p>To determine if individuals demonstrate more dorsiflexion at the ankle\/rear foot and less at the midfoot after a gastrocnemius-stretching program with the subtalar joint (STJ) positioned in supination compared with pronation.<\/jats:p><\/jats:sec><jats:sec sec-type=\"design\"><jats:title>Design:<\/jats:title><jats:p>Randomized controlled trial.<\/jats:p><\/jats:sec><jats:sec sec-type=\"setting\"><jats:title>Setting:<\/jats:title><jats:p>Biomechanical laboratory.<\/jats:p><\/jats:sec><jats:sec sec-type=\"participants\"><jats:title>Participants:<\/jats:title><jats:p>22 volunteers with current or recent history of lower-extremity cumulative trauma and gastrocnemius tightness (10 women and 4 men, mean age 28 y) randomly assigned to stretching groups with the STJ positioned in either pronation (n = 11) or supination (n = 11).<\/jats:p><\/jats:sec><jats:sec sec-type=\"intervention\"><jats:title>Intervention:<\/jats:title><jats:p>3-wk home gastrocnemius-stretching program using a template to place the subtalar joint in either a pronated or a supinated position.<\/jats:p><\/jats:sec><jats:sec sec-type=\"main outcome measures\"><jats:title>Main Outcome Measures:<\/jats:title><jats:p>A 7-camera Vicon motion-analysis system measured ankle\/rear-foot dorsiflexion and midfoot dorsiflexion of all participants during stretching with the STJ positioned in both pronation and supination before and after the 3-wk gastrocnemius-stretching program.<\/jats:p><\/jats:sec><jats:sec sec-type=\"results\"><jats:title>Results:<\/jats:title><jats:p>A 2-way mixed-model ANOVA revealed a significant interaction (<jats:italic>P<\/jats:italic> = .019). At posttest, the group who performed the 3-week stretching program with the STJ positioned in pronation demonstrated more increased ankle\/rear-foot dorsiflexion when measured with the STJ in pronation than the group who performed the 3-wk stretching program with the STJ positioned in supination. No significant main effect of stretching group or interaction for dorsiflexion at the midfoot was detected (<jats:italic>P<\/jats:italic> = .755 and <jats:italic>P<\/jats:italic> = .820, respectively).<\/jats:p><\/jats:sec><jats:sec sec-type=\"conclusion\"><jats:title>Conclusion:<\/jats:title><jats:p>After a 3-wk gastrocnemius-stretching program, when measuring dorsiflexion with the STJ positioned in supination, the participants who completed a 3-wk gastrocnemius stretching program with the STJ positioned in pronation showed more increased dorsiflexion at the ankle\/rear foot than participants who completed the stretching program with the STJ positioned in supination.<\/jats:p><\/jats:sec>","DOI":"10.1123\/jsr.2014-0191","type":"journal-article","created":{"date-parts":[[2014,10,13]],"date-time":"2014-10-13T15:49:41Z","timestamp":1413215381000},"page":"307-314","source":"Crossref","is-referenced-by-count":6,"title":["Gastrocnemius Stretching Program: More Effective in Increasing Ankle\/Rear-Foot Dorsiflexion When Subtalar Joint Positioned in Pronation Than in Supination"],"prefix":"10.1123","volume":"24","author":[{"given":"Marie A.","family":"Johanson","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Megan","family":"Armstrong","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chris","family":"Hopkins","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Meghan L.","family":"Keen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael","family":"Robinson","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Scott","family":"Stephenson","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"100","container-title":["Journal of Sport Rehabilitation"],"original-title":[],"link":[{"URL":"https:\/\/journals.humankinetics.com\/view\/journals\/jsr\/24\/3\/article-p307.xml","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.humankinetics.com\/downloadpdf\/journals\/jsr\/24\/3\/article-p307.xml","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,5,19]],"date-time":"2022-05-19T23:08:21Z","timestamp":1653001701000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.humankinetics.com\/view\/journals\/jsr\/24\/3\/article-p307.xml"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2015,8]]},"references-count":0,"journal-issue":{"issue":"3"},"URL":"https:\/\/doi.org\/10.1123\/jsr.2014-0191","relation":{},"ISSN":["1056-6716","1543-3072"],"issn-type":[{"value":"1056-6716","type":"print"},{"value":"1543-3072","type":"electronic"}],"subject":[],"published":{"date-parts":[[2015,8]]}}}