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@article{Inderhaug:2017:10.1177/0363546517724422,
author = {Inderhaug, E and Stephen, JM and Williams, A and Amis, AA},
doi = {10.1177/0363546517724422},
journal = {American Journal of Sports Medicine},
pages = {3089--3097},
title = {Anterolateral Tenodesis or Anterolateral Ligament Complex Reconstruction Effect of Flexion Angle at Graft Fixation When Combined With ACL Reconstruction},
url = {http://dx.doi.org/10.1177/0363546517724422},
volume = {45},
year = {2017}
}

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TY  - JOUR
AB  - Background:Despite numerous technical descriptions of anterolateral procedures, knowledge is limited regarding the effect of knee flexion angle during graft fixation.Purpose:To determine the effect of knee flexion angle during graft fixation on tibiofemoral joint kinematics for a modified Lemaire tenodesis or an anterolateral ligament (ALL) complex reconstruction combined with anterior cruciate ligament (ACL) reconstruction.Study Design:Controlled laboratory study.Methods:Twelve cadaveric knees were mounted in a test rig with kinematics recorded from 0° to 90° flexion. Loads applied to the tibia were 90-N anterior translation, 5-N·m internal tibial rotation, and combined 90-N anterior force and 5-N·m internal rotation. Intact, ACL-deficient, and combined ACL plus anterolateral-deficient states were tested, and then ACL reconstruction was performed and testing was repeated. Thereafter, modified Lemaire tenodeses and ALL procedures with graft fixation at 0°, 30°, and 60° of knee flexion and 20-N graft tension were performed combined with the ACL reconstruction, and repeat testing was performed throughout. Repeated-measures analysis of variance and Bonferroni-adjusted t tests were used for statistical analysis.Results:In combined ACL and anterolateral deficiency, isolated ACL reconstruction left residual laxity for both anterior translation and internal rotation. Anterior translation was restored for all combinations of ACL and anterolateral procedures. The combined ACL reconstruction and ALL procedure restored intact knee kinematics when the graft was fixed in full extension, but when the graft was fixed in 30° and 60°, the combined procedure left residual laxity in internal rotation (P = .043). The combined ACL reconstruction and modified Lemaire procedure restored internal rotation regardless of knee flexion angle at graft fixation. When the combined ACL reconstruction and lateral procedure states were compared with the ACL-
AU  - Inderhaug,E
AU  - Stephen,JM
AU  - Williams,A
AU  - Amis,AA
DO  - 10.1177/0363546517724422
EP  - 3097
PY  - 2017///
SN  - 0363-5465
SP  - 3089
TI  - Anterolateral Tenodesis or Anterolateral Ligament Complex Reconstruction Effect of Flexion Angle at Graft Fixation When Combined With ACL Reconstruction
T2  - American Journal of Sports Medicine
UR  - http://dx.doi.org/10.1177/0363546517724422
UR  - http://hdl.handle.net/10044/1/57017
VL  - 45
ER  -

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