{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,30]],"date-time":"2026-10-30T16:38:09Z","timestamp":1793378289701,"version":"4.5.0"},"reference-count":42,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2016,7,25]],"date-time":"2016-07-25T00:00:00Z","timestamp":1469404800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100011740","name":"Office F\u00e9d\u00e9ral du Sport","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100011740","id-type":"DOI","asserted-by":"crossref"}]},{"name":"Centre de Recherche Clinique"},{"name":"Geneva University Hospital","award":["PRD 8-I-2012"],"award-info":[{"award-number":["PRD 8-I-2012"]}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["PM&amp;R"],"published-print":{"date-parts":[[2017,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Optimal neuromuscular control mechanisms are essential for preparing, maintaining, and restoring functional joint stability during jump landing and to prevent ankle injuries. In subacute ankle sprain patients, neither muscle activity nor kinematics during jump landing has previously been assessed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective<\/jats:title><jats:p>To compare neuromuscular control mechanisms and kinematics between subacute ankle sprain patients and healthy persons before and during the initial contact phase of a 25\u2010cm single\u2010leg jump.<\/jats:p><\/jats:sec><jats:sec><jats:title>Design<\/jats:title><jats:p>Case\u2010control study.<\/jats:p><\/jats:sec><jats:sec><jats:title>Setting<\/jats:title><jats:p>University hospital.<\/jats:p><\/jats:sec><jats:sec><jats:title>Patients<\/jats:title><jats:p>Fifteen patients with grade I or II acute ankle sprains were followed up after 4 weeks of conservative management not involving physical therapy.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Subjects performed alternately 3 single\u2010leg forward jumps of 25 cm (toe\u2010to\u2010heel distance) barefoot. Their results were compared with the data of 15 healthy subjects.<\/jats:p><\/jats:sec><jats:sec><jats:title>Main Outcome Measurements<\/jats:title><jats:p>Electromyographic (EMG) activity of the musculus (m.) gastrocnemius lateralis, m. tibialis anterior, and m. peroneus longus as well as kinematics for ankle, knee, and hip joint were recorded for pre\u2013initial contact (IC) phase, post\u2013initial contact phase, and reflex\u2010induced phase.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The results showed that EMG activity of the 3 muscles did not differ between ankle sprain patients (n = 15) and healthy persons (n = 15) for any of the analyzed time intervals (all <jats:italic>P<\/jats:italic> &gt; .05). However, during the pre\u2010IC phase, ankle sprain patients presented less plantar flexion, as well as during the post\u2010IC phase after jump landing, compared to healthy persons (<jats:italic>P<\/jats:italic> &lt; .05).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Taken together, these kinematic alterations of the ankle joint can lead to neuromuscular control mechanism disturbances through which functional instability might arise.<\/jats:p><\/jats:sec><jats:sec><jats:title>Level of Evidence<\/jats:title><jats:p>III<\/jats:p><\/jats:sec>","DOI":"10.1016\/j.pmrj.2016.07.006","type":"journal-article","created":{"date-parts":[[2016,7,26]],"date-time":"2016-07-26T13:32:30Z","timestamp":1469539950000},"page":"241-250","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Neuromuscular Control Mechanisms During Single\u2010Leg Jump Landing in Subacute Ankle Sprain Patients: A Case Control 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