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Immediate effects of mobilization with movement of hip on lower limb kinematics during the unilateral squat in asymptomatic women: a randomized trial

Grant number: 15/15391-0
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): October 01, 2015
Effective date (End): September 30, 2016
Field of knowledge:Health Sciences - Physiotherapy and Occupational Therapy
Principal Investigator:Fábio Viadanna Serrão
Grantee:Débora Faria Wolf
Home Institution: Centro de Ciências Biológicas e da Saúde (CCBS). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil

Abstract

The dynamic knee valgus is a common gesture related to injury and it is generally present in weight-bearing activities. In these activities women carry a greater valgus knee when compared to men. The weakness of the hip muscles that provide dimensional stability to this joint would allow higher adduction and internal rotation of the hip with consequent increased dynamic knee valgus. However, despite the existence of this relationship, it is possible that other factors can contribute to poor alignment of the lower limb in dynamic activities with body weight support, such as the change in hip arthrokinematics. The objective of this study is to evaluate the effects of a mobilization with movement technique on hip on the lower limb kinematics during the single leg squat, in healthy women. This will be a randomized clinical trial in which will participate 20 healthy women aged 18 to 35, divided into two groups: intervention (n = 10) and control (n = 10). The intervention group will receive a mobilization with movement in the hip during squats through traction on the joint and the control group will perform the same gesture without applying traction on the joint. The lower limb kinematics during the single leg squat will be assessed before and after interventions by the Qualisys system. To check the effect of the intervention on the dependent variables will apply to ANOVA 3 factors (group X intervention X knee flexion angle) mixed (mixed-model design) for each dependent variable. (AU)