Comparative Analysis of Lower Limb Alignments in Healthy Subjects and Subjects with Back Pain in Annals of Applied Sport Science
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Background and purpose: The physical condition of mentally retarded children is typically poor, with pain and abnormalities, and lack of physical well-being. The purpose of this study was to investigate the effect of eight weeks of central stability training on the equilibrium and kinematic walking parameters of mentally retarded adolescents.
Materials and methods: The method of this research was semi-experimental, pre-test and post-test, with a training intervention group and a control group. The statistical population of this research included the number of 10 to 15-year-old male mentally retarded students who studied at the exceptional schools of Quds city in Tehran during the academic year of 1984-1394. From this, 20 subjects were selected as the control group and 20 experimental groups were randomly selected. The experimental group received 8 weeks of treatment, three sessions per week, and one session for one hour under centralized retention exercises. During this period, the control group did not even participate in normal physical education programs. Before the start of the course and after the end of the training period, from both groups, equilibrium tests including the Balance error scoring system for static equilibrium and the Timed Get up & Go test to measure Dynamic equilibrium was used to measure the walking speed of the subjects using a 10 meter walk test. The results were analyzed by SPSS software version 22 and ANOVA (P <0.05).
Results: The results of covariance analysis showed a significant difference in the post-test of TUG, BESS, walking speed and step length between two groups (P = 0.001).
Conclusion: Regarding the results, it was found that the implemented exercise protocol has been able to increase the static, dynamic, walking speed and step length of mentally retarded students.