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Indexed/Abstracted in: Chemical Abstracts, CINAHL, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,111
Online ISSN 1827-1928
EXERCISE PHYSIOLOGY AND BIOMECHANICS
Marília SANTOS ANDRADE 1, Naryana C. MASCARIN 1, Ana A. BENEDITO-SILVA 2, Fabio CARDERELLI MINOZZO 3, Rodrigo L. VANCINI 4, Claudio A. BARBOSA DE LIRA 5
1 Department of Physiology, Federal University of São Paulo (UNIFESP), São Paulo, Brazil; 2 School of Arts, Sciences and Humanities, University of São Paulo (USP), São Paulo, Brazil; 3 Department of Kinesiology and Physical Education, McGill University, Montreal, Canada; 4 Center of Physical Education and Sports (CEFD), Federal University of Espírito Santo (UFES), Vitória, Brazil; 5 Faculty of Physical Education and Dance, Sector of Human and Exercise Physiology, Federal University of Goiás (UFG), Goiânia, Brazil
BACKGROUND: The aim of this study was to evaluate test-retest reliability of concentric flexor, extensor, abductor and adductor muscular isokinetic hip torques in female soccer players.
METHODS: Sixteen highly-trained female soccer players were evaluated. Isokinetic dynamometer assessment was performed at 30°/s and 150°/s concentrically. The muscles tested were hip flexor (Fl), extensor (Ext), adductor (Add) and abductor (Abd). The reproducibility of the measured peak torque (PT) was analyzed by using the intraclass correlation coefficient (ICC). The difference in PT between the first and second tests was tested using Student’s t-test.
RESULTS: The ICC for the observed PT values revealed moderate to high reproducibility (ranging from 0.55 to 0.76) for the hip Fl and Ext measurements at 150º/s and for Add and Abd measurements at 30 and 150º/s. For the hip Fl and Ext measurements at 30º/s the ICC was poor.
CONCLUSIONS: The isokinetic assessment of the concentric PT values generated by the hip Fl and Ext and Add and Abd is moderate to highly reproducible, when assessed at the highest test velocity (150º/s). The test-retest reliability of hip isokinetic strength measures seems to be affected by the type muscle and test velocity.