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Abstract
OBJECTIVE: To evaluate hip abductor and adductor peak torque outputs and compare their ratios between sexes.
DESIGN: A cross-sectional laboratory-controlled study.
SETTING: Participants visited a laboratory and performed an isokinetic hip abductor and adductor test. All participants performed 2 sets of 5 repetitions of concentric hip abduction and adduction in a standing position at 60 degrees per second. Gravity was determined as a function of joint angle relative to the horizontal plane and was corrected by normalizing the weight of the limb on an individual basis.
PARTICIPANTS: A total of 36 collegiate athletes.
INDEPENDENT VARIABLES: Sex (20 females and 16 males).
MAIN OUTCOME MEASURES: Bilateral peak hip abductor and adductor torques were measured. The 3 highest peak torque values were averaged for each subject.
RESULTS: Independent t tests were used to compare sex differences in hip abductor and adductor peak torques and the abductor:adductor peak torque ratios. Males demonstrated significantly greater hip abductor peak torque compared with females (males 1.29 ± 0.24 Nm/kg, females 1.13 ± 0.20 Nm/kg; P = 0.03). Neither hip adductor peak torque nor their ratios differed between sexes.
CONCLUSIONS: Sex differences in hip abductor strength were observed. The role of weaker hip abductors in females deserves further attention and may be a factor for higher risk of knee pathologies.
Document Type
Article
Publication Date
9-2014
Digital Object Identifier (DOI)
http://dx.doi.org/10.1097/JSM.0000000000000059
Repository Citation
Sugimoto, Dai; Mattacola, Carl G.; Mullineaux, David R.; Palmer, Thomas Gerard; and Hewett, Timothy E., "Comparison of Isokinetic Hip Abduction and Adduction Peak Torques and Ratio Between Sexes" (2014). Physical Therapy Faculty Publications. 43.
https://uknowledge.uky.edu/rehabsci_facpub/43
Notes/Citation Information
Published in Clinical Journal of Sport Medicine, v. 24, no. 5, p. 422-428.
This is a non-final version of an article published in final form in Clinical Journal of Sport Medicine, v. 24, no. 5, p. 422-428. DOI: 10.1097/JSM.0000000000000059