Quadriceps function relates to muscle size following ACL reconstruction

Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society
Christopher M KuenzeJoseph M Hart

Abstract

It remains unclear what role reduced volume and cross-section area (CSA) of individual quadriceps muscles may play in persistent quadriceps weakness and more global dysfunction following ACL reconstruction (ACLR). The purpose of this investigation was to establish the relationship between cross-sectional area of the quadriceps muscle group and measures of knee related and quadriceps function following ACLR. Thirty participants with a history of primary, unilateral ACLR experiencing persistent quadriceps activation failure participated in this cohort study. Clinical factors including International Knee Documentation Committee (IKDC) score, normalized knee extension MVIC torque (Nm/kg) and quadriceps central activation ratio (CAR, %) were assessed in addition to CSA. Quadriceps CSA was measured via magnetic resonance imaging (MRI; Siemens Avanto 1.5T). Quadriceps CSA (cm(2) ) and quadriceps volume (cm(3) ) as well as individual muscle estimates were identified within a 10 cm mid-thigh capture area. Pearson's product-moment correlation coefficients (r) established relationships between CSA and all other variables. Stepwise linear regression established which CSA factors were able to successfully predict clinical factors. Knee exte...Continue Reading

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Citations

Jun 2, 2016·Journal of Science and Medicine in Sport·Christopher KuenzeChang-Young Kim
Apr 14, 2018·Journal of Athletic Training·Alexa K JohnsonLindsey K Lepley
Mar 16, 2017·Journal of Sport Rehabilitation·Grant E NorteJoseph M Hart
Oct 15, 2019·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Thomas BirchmeierChristopher Kuenze
Jan 30, 2020·Journal of Athletic Training·Jennifer L HunnicuttChris M Gregory
Sep 1, 2020·Sports Health·Lindsey K LepleyAdam S Lepley
Jul 10, 2020·Clinical Anatomy : Official Journal of the American Association of Clinical Anatomists & the British Association of Clinical Anatomists·Łukasz OlewnikMichał Polguj
Feb 6, 2017·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·John NylandDavid N M Caborn
Oct 1, 2018·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Takumi FukunagaMalachy P McHugh
May 2, 2019·Orthopaedic Journal of Sports Medicine·Jennifer L HunnicuttHarris S Slone
Oct 22, 2019·Orthopaedic Journal of Sports Medicine·J Craig GarrisonSteven B Singleton
Oct 28, 2019·European Journal of Applied Physiology·Daniel T RothwellDavid J Williams
Jul 13, 2019·Morphologie : Bulletin De L'Association Des Anatomistes·B BonnechèreV Feipel
Jan 14, 2021·Journal of Sport Rehabilitation·Steven M DaviLindsey K Lepley

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