Comparison of two incremental protocols for evaluation of hip extension
DOI:
https://doi.org/10.1590/1980-5918.030.001.AO14Abstract
Introduction: The hip muscles play an important role in controlling the transverse and frontal plane of the femur during displacement. The hip extension and abduction/adduction exercises are among the most widely evaluated protocols both clinically and in research. Objective: To compare which assessment protocol in an isokinetic strength regime (distal grip-ankle vs. proximal grip-knee) best represents the action of hip extension and to analyze the test-retest reliability in the variables peak force (PF) and work (W). Methods: A total of 20 subjects participated in this research. All participants were female. The mean and standard deviations of age, weight and height were 21 ± 3.9 years, 65 ± 11 kg, 166 ± 3.4 cm, respectively. Results: Significant differences were found in both variables (PF and W) between protocols 1 and 2 (p < 0.05) on assessment days 1 and 2. No differences between days 1 and day 2 in either protocol (p < 0.05) were found. Index values of interclass correlation (ICC) of protocol 1 ranged between 0.38 and 0.86. In protocol 2 the ICC range was between 0.33 and 0.87. Conclusions: In light of these results, the hip extension exercise with a proximal grip best represents the strength of the muscle groups involved in this action.Downloads
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Campos Jara, C., Chirosa Ríos, L. J., Jerez Mayorga, D., Chirosa Rios, I., Martínez Salazar, C., & Beraldo, P. C. (2017). Comparison of two incremental protocols for evaluation of hip extension. Fisioterapia Em Movimento (Physical Therapy in Movement), 30(1). https://doi.org/10.1590/1980-5918.030.001.AO14
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