Antagonist muscle moment is increased in ACL deficient subjects during maximal dynamic knee extension

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningfagfællebedømt

Standard

Antagonist muscle moment is increased in ACL deficient subjects during maximal dynamic knee extension. / Alkjær, Tine; Simonsen, Erik B; Magnusson, S Peter; Dyhre-Poulsen, Poul; Aagaard, Per.

I: Knee, Bind 19, Nr. 5, 10.2012, s. 633-639.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningfagfællebedømt

Harvard

Alkjær, T, Simonsen, EB, Magnusson, SP, Dyhre-Poulsen, P & Aagaard, P 2012, 'Antagonist muscle moment is increased in ACL deficient subjects during maximal dynamic knee extension', Knee, bind 19, nr. 5, s. 633-639. https://doi.org/10.1016/j.knee.2011.12.006

APA

Alkjær, T., Simonsen, E. B., Magnusson, S. P., Dyhre-Poulsen, P., & Aagaard, P. (2012). Antagonist muscle moment is increased in ACL deficient subjects during maximal dynamic knee extension. Knee, 19(5), 633-639. https://doi.org/10.1016/j.knee.2011.12.006

Vancouver

Alkjær T, Simonsen EB, Magnusson SP, Dyhre-Poulsen P, Aagaard P. Antagonist muscle moment is increased in ACL deficient subjects during maximal dynamic knee extension. Knee. 2012 okt;19(5):633-639. https://doi.org/10.1016/j.knee.2011.12.006

Author

Alkjær, Tine ; Simonsen, Erik B ; Magnusson, S Peter ; Dyhre-Poulsen, Poul ; Aagaard, Per. / Antagonist muscle moment is increased in ACL deficient subjects during maximal dynamic knee extension. I: Knee. 2012 ; Bind 19, Nr. 5. s. 633-639.

Bibtex

@article{16f1fd2778e4446e9164a7c1aeb6fb45,
title = "Antagonist muscle moment is increased in ACL deficient subjects during maximal dynamic knee extension",
abstract = "INTRODUCTION: Coactivation of the hamstring muscles during dynamic knee extension may compensate for increased knee joint laxity in anterior cruciate ligament (ACL) deficient subjects. This study examined if antagonist muscle coactivation during maximal dynamic knee extension was elevated in subjects with anterior cruciate ligament (ACL) deficiency compared to age-matched healthy controls. METHODS: Electromyography (EMG) and net knee joint moments were recorded during maximal concentric quadriceps and eccentric hamstring contractions, performed in an isokinetic dynamometer (ROM: 90-10°, angular speed: 30°/s). Hamstring antagonist EMG recorded during concentric quadriceps contraction was converted into antagonist moment based on the EMG-moment relationship observed during eccentric agonist contractions. RESULTS: The magnitude of antagonist hamstring EMG was 65.5{\%} higher in ACL deficient subjects compared to healthy controls (p",
author = "Tine Alkj{\ae}r and Simonsen, {Erik B} and Magnusson, {S Peter} and Poul Dyhre-Poulsen and Per Aagaard",
note = "Copyright {\circledC} 2011 Elsevier B.V. All rights reserved.",
year = "2012",
month = "10",
doi = "10.1016/j.knee.2011.12.006",
language = "English",
volume = "19",
pages = "633--639",
journal = "Knee",
issn = "0968-0160",
publisher = "Elsevier",
number = "5",

}

RIS

TY - JOUR

T1 - Antagonist muscle moment is increased in ACL deficient subjects during maximal dynamic knee extension

AU - Alkjær, Tine

AU - Simonsen, Erik B

AU - Magnusson, S Peter

AU - Dyhre-Poulsen, Poul

AU - Aagaard, Per

N1 - Copyright © 2011 Elsevier B.V. All rights reserved.

PY - 2012/10

Y1 - 2012/10

N2 - INTRODUCTION: Coactivation of the hamstring muscles during dynamic knee extension may compensate for increased knee joint laxity in anterior cruciate ligament (ACL) deficient subjects. This study examined if antagonist muscle coactivation during maximal dynamic knee extension was elevated in subjects with anterior cruciate ligament (ACL) deficiency compared to age-matched healthy controls. METHODS: Electromyography (EMG) and net knee joint moments were recorded during maximal concentric quadriceps and eccentric hamstring contractions, performed in an isokinetic dynamometer (ROM: 90-10°, angular speed: 30°/s). Hamstring antagonist EMG recorded during concentric quadriceps contraction was converted into antagonist moment based on the EMG-moment relationship observed during eccentric agonist contractions. RESULTS: The magnitude of antagonist hamstring EMG was 65.5% higher in ACL deficient subjects compared to healthy controls (p

AB - INTRODUCTION: Coactivation of the hamstring muscles during dynamic knee extension may compensate for increased knee joint laxity in anterior cruciate ligament (ACL) deficient subjects. This study examined if antagonist muscle coactivation during maximal dynamic knee extension was elevated in subjects with anterior cruciate ligament (ACL) deficiency compared to age-matched healthy controls. METHODS: Electromyography (EMG) and net knee joint moments were recorded during maximal concentric quadriceps and eccentric hamstring contractions, performed in an isokinetic dynamometer (ROM: 90-10°, angular speed: 30°/s). Hamstring antagonist EMG recorded during concentric quadriceps contraction was converted into antagonist moment based on the EMG-moment relationship observed during eccentric agonist contractions. RESULTS: The magnitude of antagonist hamstring EMG was 65.5% higher in ACL deficient subjects compared to healthy controls (p

U2 - 10.1016/j.knee.2011.12.006

DO - 10.1016/j.knee.2011.12.006

M3 - Journal article

C2 - 22284964

VL - 19

SP - 633

EP - 639

JO - Knee

JF - Knee

SN - 0968-0160

IS - 5

ER -

ID: 38288092