Document Type : Research Paper
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Abstract
Abstract
Sensorineural hearing impaired children who have vestibular hypofunction suffer from posture control problems. The purpose of the present study was to determine the effect of a selected rhythmic exercise program on the balance control of these children. 24 sensorineural hearing impaired children who hypofunction of their vestibular system were detected by videonystagmaography, randomly assigned in to either the intervention (n=12) or control group (n=12). Intervention group participated in six weeks rhythmic exercise program and control group continued their regular activities at home and school. Their balance control was assessed by balance subtest of Bruininks-Oseretsky test2 in the pre test and post test. ANOVA with repeated measures showed the total score of BOT2 balance subtest (p=0.003), items with eyes open (p=0.000), eyes close (p=0.000), on a line (p=0.000) and on a balance beam (p=0.000), of the intervention group was significantly better than control group. A six weeks period of rhythmic physical activity with emphasize on sensory stimulation could decrease visual dependency and increase vestibular sensitivity.
Key words: Balance, Hearing impaired children, vestibular system, rhythmic exercise, Bruininks-Oseretsky test
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