Do muscular and body external force frequency content be affected by walking on sand training in individuals with foot excessive pronation

Ghaderi, Kowsar (2020) Do muscular and body external force frequency content be affected by walking on sand training in individuals with foot excessive pronation. Masters thesis, University of Mohaghegh Ardabili.

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Abstract

Research Aim: This study was done with this aim that if sand training has any effect on muscular and ground reactions force frequency content or not in individuals with foot excessive pronation Research method: This study was semi-experimental. The statistical sample of the present study include 15 pronated feet individuals in the contril group and 15 pronated feet individuals with pronated feet in experimental group. Electromyographical activity and ground reaction forces were recorded during walking (1.2 m/s) and runing (3.2 m/s) at constant speed with EMG system (Biometric, UK) and forceplate (Bertec, USA), respectively. In experimental group, the sand training program was 8 weeks. Statitical analysis was done with two ways ANOVA with repeated measure. Significant level was set at p<0.05. Findings: : Finding demonstrated that training on sand reduced numer of essential harmonies (P=0.004). The main effect of group on median frequency of tibialis anterior during push off phase was significant (P=0.022). Pairedwise comparison demonstrated that median frequency of tibialis anterior was greater than that control group (P=0.020). The interaction effect of group and time was significant for gluteus medius frequency content durin push off phase statistically (P=0.031). Conclusion: The finding of the present study demonstrated that the most effect of sand training is on frequency content of muscles than ground reaction force frequency content. However, further study was warranted.

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