{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,29]],"date-time":"2026-10-29T12:28:04Z","timestamp":1793276884664,"version":"4.5.0"},"reference-count":38,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2020,1,2]],"date-time":"2020-01-02T00:00:00Z","timestamp":1577923200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2020,1,2]],"date-time":"2020-01-02T00:00:00Z","timestamp":1577923200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"},{"start":{"date-parts":[[2020,1,2]],"date-time":"2020-01-02T00:00:00Z","timestamp":1577923200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Knee surg. sports traumatol. arthrosc."],"published-print":{"date-parts":[[2020,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>Altered quadriceps muscle activity can contribute to reduced ability of the muscle to quickly generate force and appropriately attenuate landing forces, exacerbating poor landing and movement strategies commonly seen after anterior cruciate ligament reconstruction (ACLR). The purpose was to evaluate if electromyographic (EMG) activity and knee biomechanics during a single\u2010limb forward hop task are influenced by a history of ACLR.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Twenty\u2010six individuals with a history of unilateral ACLR (age 20.2\u2009\u00b1\u20092.7 years, height 1.7\u2009\u00b1\u20090.1\u00a0m; weight 69.6\u2009\u00b1\u200912.4\u00a0kg; time from surgery, 2.9\u2009\u00b1\u20092.7 years; graft type, 21 bone\u2010patellar\u2010tendon bone, 5 hamstring) and 8 healthy controls (age 23.3\u2009\u00b1\u20091.8 years, height 1.7\u2009\u00b1\u20090.1\u00a0m; mass 66.3\u2009\u00b1\u200913.9\u00a0kg) volunteered. Sagittal plane knee kinetics and EMG of the vastus lateralis were synchronized and measured using a three\u2010dimensional motion analysis system during a single\u2010limb forward hop task. Mixed\u2010effect models were used to assess the effect of group on kinetic and EMG variables.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Kinetic outcomes (peak and rate of knee extension moment) and temporal muscle activity and activation patterns differed between the ACLR limb and healthy\u2010control limb. Inter\u2010limb asymmetries in the ACLR group were observed for all variables except EMG onset time; no limb differences were observed in the healthy cohort.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Years after ACLR, persistent quadriceps functional deficits are present, contributing to altered neuromuscular control strategies during functional tasks that may increase the risk of reinjury. To counteract these effects, emerging evidence indicates that clinicians could consider the use of motor learning strategies to improve neuromuscular control after ACLR.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of evidence<\/jats:title>\n                    <jats:p>III.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s00167-019-05833-4","type":"journal-article","created":{"date-parts":[[2020,1,2]],"date-time":"2020-01-02T02:02:53Z","timestamp":1577930573000},"page":"3766-3772","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":23,"title":["Protracted alterations in muscle activation strategies and knee mechanics in patients after Anterior Cruciate Ligament Reconstruction"],"prefix":"10.1002","volume":"28","author":[{"given":"Julie P.","family":"Burland","sequence":"first","affiliation":[{"name":"<!--<label>1<\/label>--> University of Connecticut Storrs CT USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adam S.","family":"Lepley","sequence":"additional","affiliation":[{"name":"<!--<label>2<\/label>--> University of Michigan 2126 Observatory Lodge, 1402 Washington Heights 48109 Ann Arbor MI USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laura","family":"Frechette","sequence":"additional","affiliation":[{"name":"<!--<label>1<\/label>--> University of Connecticut Storrs CT USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lindsey K.","family":"Lepley","sequence":"additional","affiliation":[{"name":"<!--<label>3<\/label>--> University of Michigan 3745B CCRB, 401 Washtenaw Avenue 48109 Ann Arbor MI USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2020,1,2]]},"reference":[{"key":"e_1_2_10_2_2","doi-asserted-by":"publisher","DOI":"10.1097\/00005768\u2010200301000\u201000019"},{"key":"e_1_2_10_3_2","first-page":"256","article-title":"Considerations for late stage ACL rehabilitation and return to sport to limit re\u2010injury risk and maximize athletic performance","volume":"10","author":"Bien DP","year":"2015","journal-title":"Int J Sports Phys Ther"},{"key":"e_1_2_10_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.clinbiomech.2007.08.008"},{"key":"e_1_2_10_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.knee.2018.09.006"},{"key":"e_1_2_10_6_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546513482718"},{"key":"e_1_2_10_7_2","doi-asserted-by":"publisher","DOI":"10.1152\/jn.00172.2009"},{"key":"e_1_2_10_8_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600\u20100838.2008.00873.x"},{"key":"e_1_2_10_9_2","doi-asserted-by":"publisher","DOI":"10.1007\/s40279\u2010019\u201001078\u2010w"},{"key":"e_1_2_10_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/0268\u20100033(93)90017\u2010C"},{"key":"e_1_2_10_11_2","doi-asserted-by":"publisher","DOI":"10.1242\/jeb.133009"},{"key":"e_1_2_10_12_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546517708996"},{"key":"e_1_2_10_13_2","doi-asserted-by":"publisher","DOI":"10.4085\/1062\u20106050\u2010463\u201016"},{"key":"e_1_2_10_14_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546515595834"},{"key":"e_1_2_10_15_2","doi-asserted-by":"publisher","DOI":"10.1519\/JSC.0b013e318225ff75"},{"key":"e_1_2_10_16_2","doi-asserted-by":"publisher","DOI":"10.1249\/MSS.0000000000000741"},{"key":"e_1_2_10_17_2","unstructured":"LepleyAS KuenzeCMHip and knee kinematics and kinetics during landing tasks after anterior cruciate ligament reconstruction: a systematic review and meta\u2010analysis.J Athl Train(2018)10.4085\/1062\u20106050\u2010334\u20101629975571"},{"key":"e_1_2_10_18_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0268\u20100033(01)00097\u20103"},{"key":"e_1_2_10_19_2","doi-asserted-by":"publisher","DOI":"10.1249\/mss.0b013e3180d47f0"},{"key":"e_1_2_10_20_2","doi-asserted-by":"publisher","DOI":"10.1249\/01.MSS.0000128180.51443.83"},{"key":"e_1_2_10_21_2","doi-asserted-by":"publisher","DOI":"10.1007\/s40279\u2010016\u20100666\u2010y"},{"key":"e_1_2_10_22_2","doi-asserted-by":"publisher","DOI":"10.1249\/MSS.0b013e3182752ae3"},{"key":"e_1_2_10_23_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546515578252"},{"key":"e_1_2_10_24_2","doi-asserted-by":"publisher","DOI":"10.1097\/JES.0b013e3181aa6669"},{"key":"e_1_2_10_25_2","doi-asserted-by":"publisher","DOI":"10.2519\/jospt.2018.8170"},{"key":"e_1_2_10_26_2","doi-asserted-by":"publisher","DOI":"10.4085\/1062\u20106050\u201052.3.05"},{"key":"e_1_2_10_27_2","doi-asserted-by":"publisher","DOI":"10.1177\/2325967117745279"},{"key":"e_1_2_10_28_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600\u20100838.1999.tb00202.x"},{"key":"e_1_2_10_29_2","doi-asserted-by":"crossref","unstructured":"PietrosimoneB BlackburnJT PaduaDA PfeifferSJ DavisHC Luc\u2010HarkeyBAet al. 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