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Anterior cruciate ligament injury about 20 years post-treatment: a kinematic analysis of one-leg hop
Umeå universitet, Medicinska fakulteten, Institutionen för samhällsmedicin och rehabilitering, Fysioterapi.
Umeå universitet, Medicinska fakulteten, Institutionen för samhällsmedicin och rehabilitering, Fysioterapi.
Umeå universitet, Medicinska fakulteten, Institutionen för samhällsmedicin och rehabilitering, Fysioterapi. Faculty of Health Education and Social Work, Physiotherapy, Sør-Trøndelag University College, Trondheim, Norway.
2015 (Engelska)Ingår i: Scandinavian Journal of Medicine and Science in Sports, ISSN 0905-7188, E-ISSN 1600-0838, Vol. 25, nr 6, s. 818-827Artikel i tidskrift (Refereegranskat) Published
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Abstract [en]

Reduced dynamic knee stability, often evaluated with one-leg hops (OLHs), is reported after anterior cruciate ligament (ACL) injury. This may lead to long-standing altered movement patterns, which are less investigated. 3D kinematics during OLH were explored in 70 persons 23 +/- 2 years after ACL injury; 33 were treated with physiotherapy in combination with ACL reconstruction (ACL(R)) and 37 with physiotherapy alone (ACL(PT)). Comparisons were made to 33 matched controls. We analyzed (a) maximal knee joint angles and range of motion (flexion, abduction, rotation); (b) medio-lateral position of the center of mass (COM) in relation to knee and ankle joint centers, during take-off and landing phases. Unlike controls, ACL-injured displayed leg asymmetries: less knee flexion and less internal rotation at take-off and landing and more lateral COM related to knee and ankle joint of the injured leg at landing. Compared to controls, ACL(R) had larger external rotation of the injured leg at landing. ACL(PT) showed less knee flexion and larger external rotation at take-off and landing, and larger knee abduction at Landing. COM was more medial in relation to the knee at take-off and less laterally placed relative to the ankle at landing. ACL injury results in long-term kinematic alterations during OLH, which are less evident for ACL(R).

Ort, förlag, år, upplaga, sidor
Wiley-Blackwell, 2015. Vol. 25, nr 6, s. 818-827
Nyckelord [en]
biomechanics, long-term perspective, knee, jump performance
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Idrottsvetenskap
Identifikatorer
URN: urn:nbn:se:umu:diva-113723DOI: 10.1111/sms.12434ISI: 000365452600024PubMedID: 25728035OAI: oai:DiVA.org:umu-113723DiVA, id: diva2:890058
Tillgänglig från: 2015-12-30 Skapad: 2015-12-28 Senast uppdaterad: 2018-06-07Bibliografiskt granskad

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Tengman, EvaGrip, HelenaStensdotter, Ann-KatrinHäger, Charlotte K

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