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Article type: Research Article
Authors: Olmo, J.a | López-Illescas, A.b | Martín, I.c | Jato, S.d | Rodríguez, L.P.e
Affiliations: [a] Department of Rehabilitation and Functional Evaluation, Fraternidad Muprespa, Madrid, Spain | [b] University Alfonso X El Sabio, Madrid, Spain | [c] Faculty of Psychology, University of Granada, Granada, Spain | [d] Department of Rehabilitation and Functional Evaluation, Fraternidad Muprespa, Madrid, Spain | [e] Department of Physical Medicine and Rehabilitation, Complutense University of Madrid, Madrid, Spain
Note: [] Address for correspondence: Dr. Jesús Olmo, Jefe del Departamento de Rehabilitación y Valoración Funcional, Hospital Central de Fraternidad Muprespa, C/Madre de Dios 42, 28016 Madrid, Spain. Tel.: +34 913431174; E-mail: jolmo@fraternidad.com
Abstract: To determine optimal parameters for representing knee flexion and extension strength in athletes and describe reference values for track and field athletics, 248 high-level Spanish athletes of 22 different specialities and a group of 68 sedentary subjects were tested isokinetically at 60 and 300°/s. Absolute and weight normalized strength of the flexors and extensors as well as the hamstrings/quadriceps ratio (H/Q60, H/Q300) were studied. Significant correlations were found among all flexion and extension and between the H/Q ratios. Comparative analysis revealed significant differences among groups for the strength at 60°/s and largely no differences in the H/Q ratio. It is concluded that for discriminating between groups the peak torque at 60°/s is sufficient. Moreover as the athletic specialty has no effect on the H/Q ratio its use for this particular purpose should be discontinued.
Keywords: Knee, isokinetic, athlete
DOI: 10.3233/IES-2006-0237
Journal: Isokinetics and Exercise Science, vol. 14, no. 3, pp. 279-289, 2006
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