Kerrigan, Casey D. and Riley, Patrick O. and Nieto, Tanya J. and Della Croce, Ugo (2000) Knee joint torques: a comparison between women and men during barefoot walking. Archives of Physical Medicine and Rehabilitation, Vol. 81 (9), p. 1162-1165. eISSN 1532-821X. Article.
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Objective: To determine if knee joint torques, which are likely relevant to the development and, possibly, progression of knee osteoarthritis, are equivalent between genders during natural, barefoot walking.
Design: Collected stereophotogrammetric and force platform data during comfortable, barefoot walking. Knee joint torques were plotted and statistically compared between genders using both an unpaired t test (p < .05) and an equivalence test (20% delta).
Setting: A gait laboratory.
Participants: One hundred ten healthy, nondisabled young women and men.
Main Outcome Measures: Four knee joint torque parameters normalized for height and weight: (1) peak and (2) duration of sagittal flexor joint torque from early to midstance, and (3) first and (4) second peak coronal (frontal) varus torque values during the stance period.
Results: No statistically significant differences between genders were found, and the values were equivalent between genders for each of the 4 knee joint torque parameters.
Conclusion: These findings support the hypothesis that under similar barefoot conditions women and men have a similar intrinsic biomechanic risk for knee osteoarthritis. Future research to assess the effects of other potential biomechanic factors, such as shoe-wear and activity type, may assist not only in preventing knee joint osteoarthritis, but also in developing new rehabilitative strategies to treat osteoarthritis of the knee.
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