Falls are prevalent in the elderly and may have serious consequences, so, understanding the risk factors it is essential to prevent them. Little is known about the muscle function of the hip and trunk, and its influence on postural control in situations that simulate routine activities and differences of this function between fallers and non-fallers. Therefore, the aim of this study is to investigate the role of the postural muscles of the pelvis and trunk on postural control during tasks static and dynamic. The elderly will be divided between fallers and / or fear of falls and non-fallers and will be subject to assessments. These evaluations consist of a questionnaire to know the history of falls and fear of falling; assessment of muscle function abductors and adductors of the hip and flexors and extensors of the trunk, through the Biodex isokinetic dynamometer; functionality evaluation and postural control, through the force platform "Balance Master" (Neurocom ® ) and clinical assessment by applying Bestest. All statistical analyzes will be performed using SPSS (SPSS for Windows - Version 16.0 - SPSS Inc.) and will be the level of significance of 5 % (p £ .05). The results are expressed as mean and standard deviation.
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