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Isometric Hip-Rotator Torque Production at Varying Degrees of Hip Flexion

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dc.creator Johnson, Samuel T.
dc.creator Hoffman, Mark
dc.date.accessioned 2012-08-22T20:33:51Z
dc.date.available 2012-08-22T20:33:51Z
dc.date.issued 2010-02
dc.identifier.citation Johnson, S., & Hoffman, M. (2010). Isometric hip-rotator torque production at varying degrees of hip flexion. Journal of Sport Rehabilitation, 19(1), 12-20. en_US
dc.identifier.uri http://hdl.handle.net/1957/32784
dc.description This is the publisher’s final pdf. The published article is copyrighted by Human Kinetics, Inc. and can be found at: http://www.humankinetics.com/. en_US
dc.description.abstract Hip torque production is associated with certain knee injuries. The hip rotators change function depending on hip angle. Objective: To compare hip-rotator torque production between 3 angles of hip flexion, limbs, and sexes. Design: Descriptive. Setting: University sports medicine research laboratory. Participants: 15 men and 15 women, 19–39 y. Intervention: Three 6-s maximal isometric contractions of the hip external and internal rotators at 10°, 40°, and 90° of hip flexion on both legs. Main Outcome Measure: Average torque normalized to body mass. Results: Internal-rotation torque was greatest at 90° of hip flexion, followed by 40° of hip flexion and finally 10° of hip flexion. External-rotation torque was not different based on hip flexion. The nondominant leg’s external rotators were stronger than the dominant leg’s, but the reverse was true for internal rotators. Finally, the men had more overall rotator torque. Conclusions: Hip-rotation torque production varies between flexion angle, leg, and sex. Clinicians treating lower extremity problems need to be aware of these differences. en_US
dc.language.iso en_US en_US
dc.publisher Human Kinetics, Inc. en_US
dc.relation.ispartofseries Journal of Sport Rehabilitation en_US
dc.relation.ispartofseries Vol. 19 no. 1 en_US
dc.subject Hip strength en_US
dc.subject Sex differences en_US
dc.subject Bilateral differences en_US
dc.title Isometric Hip-Rotator Torque Production at Varying Degrees of Hip Flexion en_US
dc.type Article en_US
dc.description.peerreview yes en_US

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