Correlation between the Q angle and the isokinetic knee strength and muscle activity

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dc.authoridSac, Ajlan/0000-0002-8645-8826
dc.authorwosidSaç, Ajlan/AAQ-7802-2021
dc.authorwosidSac, Ajlan/O-4219-2016
dc.contributor.authorSac, Ajlan
dc.contributor.authorTasmektepligil, Mehmet Yalcin
dc.date.accessioned2024-06-12T11:00:12Z
dc.date.available2024-06-12T11:00:12Z
dc.date.issued2018
dc.departmentTrakya Üniversitesien_US
dc.description.abstractObjectives: The aim of this study was to investigate the correlation between the Q angle and the isokinetic knee strength and muscle activity. Patients and methods: Between March 2016 and April 2016, a total of 50 healthy and right-leg dominant men (mean age 22.3 +/- 2.3 years; range, 18 to 27 years) with a Q angle between 5 degrees and 20 degrees and active in sports were included. An isokinetic strength test of the knee joint extensor and flexor muscles at angular velocities of 60, 120, 180, 240, and 300 degrees . s(-1) was tested who had a Q angle of 5 to 20 degrees and were active in sports. Surface electromyography (sEMG) was used to determine these muscles' activity levels. Results: Negative correlations were between the Q angle and the average peak torque (APT) in extension ((E)) and flexion ((F)), the average power (AP(E, F)) at all angles, the joint angle at the PT (JAPT(E)) at 240, 180, 120 and 60 degrees.s(-1); JAPT(F) at 300, 240 and 180 degrees.s(-1); and the time to PT (TPTF) at 180 degrees.s(-1). There was a positive correlation between the Q angle and TPTE (at 60 degrees.s(-1)). No significant relationship between the Q angle and the level of EMG activity at any angular velocity of the muscles, as well as the VM:VL EMG activity ratio was found. Conclusion: A higher Q angle is associated with decreased isokinetic knee strength, power output, and torque angles. It is thought that possible high Q angle-related knee joint disorders and sports injuries can be avoided by including proper quadriceps strength exercises in exercise prescriptions to be prepared.en_US
dc.identifier.doi10.5606/tftrd.2018.2366
dc.identifier.endpage313en_US
dc.identifier.issn2587-0823
dc.identifier.issue4en_US
dc.identifier.pmid31453527en_US
dc.identifier.scopus2-s2.0-85063321307en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage308en_US
dc.identifier.trdizinid297585en_US
dc.identifier.urihttps://doi.org/10.5606/tftrd.2018.2366
dc.identifier.urihttps://search.trdizin.gov.tr/yayin/detay/297585
dc.identifier.urihttps://hdl.handle.net/20.500.14551/20741
dc.identifier.volume64en_US
dc.identifier.wosWOS:000452918400003en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakTR-Dizinen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherBaycinar Medical Publ-Baycinar Tibbi Yayinciliken_US
dc.relation.ispartofTurkish Journal Of Physical Medicine And Rehabilitationen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectElectromyographyen_US
dc.subjectIsokineticsen_US
dc.subjectMuscle Strengthen_US
dc.subjectPatellofemoral Jointen_US
dc.subjectQuadriceps Angleen_US
dc.subjectTorqueen_US
dc.subjectPatellofemoral Painen_US
dc.subjectQuadricepsen_US
dc.subjectJointen_US
dc.subjectTorqueen_US
dc.subjectPredicten_US
dc.subjectValuesen_US
dc.subjectRisken_US
dc.titleCorrelation between the Q angle and the isokinetic knee strength and muscle activityen_US
dc.typeArticleen_US

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