{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,15]],"date-time":"2026-09-15T23:21:08Z","timestamp":1789514468131,"version":"build-2803163510"},"reference-count":19,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2013,4,23]],"date-time":"2013-04-23T00:00:00Z","timestamp":1366675200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Knee surg. sports traumatol. arthrosc."],"published-print":{"date-parts":[[2015,3]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>The purpose of this study was to establish a relationship between the lengthening of the Achilles tendon post\u2010rupture and surgical repair to muscle activation patterns during walking in order to serve as a reference for post\u2010surgical assessment.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Method<\/jats:title>\n                    <jats:p>The Achilles tendon lengths were collected from 4 patients with an Achilles tendon rupture 6 and 12\u00a0months post\u2010surgery along with 5 healthy controls via ultrasound. EMG was collected from the triceps surae muscles and tibialis anterior during overground walking.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Achilles lengths at 6 and 12\u00a0months post\u2010surgery were significantly longer (\n                      <jats:italic>p<\/jats:italic>\n                      &lt; 0.05) on the involved side compared to the uninvolved side, but there were no side\u2010to\u2010side differences in the healthy controls. The integrated EMG (iEMG) of the involved side was significantly higher than the uninvolved side in the lateral gastrocnemius at 6\u00a0months and for the medial gastrocnemius at 12\u00a0months in the patients with Achilles tendon rupture; no side\u2010to\u2010side difference was found in the healthy controls. The triceps surae muscles\u2019 activations were fair to moderately correlated to the Achilles lengths (0.38 &lt;\n                      <jats:italic>r<\/jats:italic>\n                      &lt; 0.52).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>The increased Achilles tendon length and iEMG from the triceps surae muscles indicate that loss of function is primarily caused by anatomical changes in the tendon and the appearance of muscle weakness is due to a lack of force transmission capability. This study indicates that when aiming for full return of function and strength, an important treatment goal appears to be to minimize tendon elongation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of evidence<\/jats:title>\n                    <jats:p>Prognostic prospective case series, Level IV.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s00167-013-2512-1","type":"journal-article","created":{"date-parts":[[2013,4,22]],"date-time":"2013-04-22T07:19:23Z","timestamp":1366615163000},"page":"868-874","source":"Crossref","is-referenced-by-count":78,"title":["Compensatory muscle activation caused by tendon lengthening post\u2010Achilles tendon rupture"],"prefix":"10.1002","volume":"23","author":[{"given":"Stephen M.","family":"Suydam","sequence":"first","affiliation":[{"name":"University of Delaware 126 Spencer Lab 19716\u20103140 Newark DE USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas S.","family":"Buchanan","sequence":"additional","affiliation":[{"name":"University of Delaware 126 Spencer Lab 19716\u20103140 Newark DE USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kurt","family":"Manal","sequence":"additional","affiliation":[{"name":"University of Delaware 126 Spencer Lab 19716\u20103140 Newark DE USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Karin Gravare","family":"Silbernagel","sequence":"additional","affiliation":[{"name":"University of the Sciences 600 S. 43rd Street 19104 Philadelphia PA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2013,4,23]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1177\/107110070602700605"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.clinbiomech.2006.10.001"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.1365\u2010201X.2003.01050.x"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1177\/036354657900700208"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.3233\/IES-2000-0044"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1177\/0363546506293255"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.1365\u2010201x.2001.00799.x"},{"key":"e_1_2_7_9_1","first-page":"289","article-title":"Achilles tendon rupture: avoiding tendon lengthening during surgical repair and rehabilitation","volume":"84","author":"Maquirriain 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