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The Effect of Eight Weeks of Tai-Chi Exercises on Status Parameters of Kyphosis and Balance among Educable Mentally Retarded Children

Authors: Tayebeh Heidari, Yahya Sokhanguei and HoomanMinonejad

Int J Med Res Health Sci.370-376 | pdf PDF Full Text

One of the most fragile stratums of every society is the people with certain disabilities, especially educable mentally
retarded children. Some of the most tangible difficulties of these people are seen in their perceptual and motional
abilities (coordination, balance, atmospheric awareness, time awareness, physical awareness and sense of
direction). Overcoming these inabilities requires the integration of environmental information and decision making
for performance of a special function. The objective of the present research is to investigate the effects of eight
weeks of Tai-Chi exercises on status parameters of Kyphosis and balance among educable mentally retarded
children. The research sample is consisted of 30 educable mentally retarded children suffering from Kyphosis
abnormality. The sample individuals were selected from welfare centers of Tehran. After selection of samples, prior
and post to execution of the protocol, the individuals were measured in terms of Kyphosis angle, chest expansion,
coefficient of Delmas, spine extension and static and dynamic balances respectively through flexible rulers, tape
measure, stoke test and Y test. The educable mentally retarded children were assigned to two 15 individual groups
of experimental (age average of 11.6 years; average height of 142.30; average weight of 39.26kg) and control (age
average of 11.06; height average of 139.83 and weight average of 35.86kg). The subjects of the experimental group
were participated in an 8 week course of Tai-Chi exercises in three weekly 45 minute sessions. These exercises
included a 10 minute warm-up, 30 minutes of Tai-Chi movements and 5 minutes of cool-down. During this time, the
subjects of the control group were not incorporated into any exercise. By the use of the Shapiro-Wilk test, the
normality of data distribution was investigated and approved. Also the Leon test was used for investigation of
equality of the variances. Afterwards, descriptive statistics including average and standard deviation and inferential
statistics including co-variance analysis were performed on the results. Tai-Chi exercises had been effective on
improvement of Kyphosis angel, Delmas coefficient, chest expansion, spine extension and static and dynamic
balances among the subjects of the experimental group. Tai-Chi exercises can have a significant effect on
improvement of Kyphosis and other mentioned variables among educable mentally retarded children. These
exercises can also be used with the aim of improving and increasing the presence of mentally retarded children in
sports events and the society as well as encouragement of these children towards more activity.
Keywords: Tai-Chi exercises, mentally retarded, Kyphosis parameters, balance

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