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KMID : 1101320060380030224
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Korean Journal of Clinical Laboratory Science
2006 Volume.38 No. 3 p.224 ~ p.230
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The Effects of an Aerobics on the Auditory Evoked Potential
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Park Sang-Nam
Kim Young-Hwal
Kim Byung-Weon
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Abstract
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Up to now, there have been rare clinical studies on leaders and aerobics athletes. To get the useful data for protecting from auditory disorder, we selected 15 female aerobics leaders (experimental group) and 15 females (control group) unexperienced in aerobics and a without neurological and octolaryngological disorder. The average age was 34.87±8.80 (experimental group) and 34.07±8.45 (control group) years, and the average career of an aerobics leader (experimental group) was 8.33±4.73 years. We measured the auditory evoked potential (AEP) of the two groups treated with 70, 75 and 85 dB intensity from January 2006 to May 2006 and analyzed the absolute latency (AL) and interpeak latency (IPL) by the SPSS/pc+ 12.0 program. In the comparison of the AL between the experimental group and the control group according to intensity, both ears treated with 70 and 75 dB had a significant difference (p<0.05) in the Ⅰ, Ⅲ, Ⅴ wave and in theⅠ, Ⅴ wave respectively, and the experimental group treated with 85 dB showed a difference in the Ⅰ, Ⅲ, Ⅴ wave (left ear) and in theⅠ wave (right ear) respectively. The IPL of the two groups treated with various intensities had no prolongation. In the comparison of the AL between the experimental group and the control group according to ages, the experimental group in their 20s treated with 70 dB showed a significant difference (p<0.05) in the Ⅴ wave (left ear) and in the Ⅰ, Ⅲ, Ⅴ wave (right ear), and the experimental group in their 20s treated with 75 dB in theⅠ, Ⅲ wave (left ear) and in Ⅰ, Ⅲ, Ⅴ wave (right ear), and experimental group in their 20s treated with 85 dB in the Ⅴ wave (left ear) and in the Ⅲ, Ⅴ wave (right ear). The experimental group in their 30s treated with 70 dB had a significant difference (p<0.05) only in the Ⅴ wave (right ear). Only in the IPL of subjects in their 20s treated with 85 dB, Ⅲ-Ⅴ and Ⅰ-Ⅴ of both ears was extended. In the comparison of the AL and IPL according to career, there was no significant difference between the two groups. From this results, we concluded that the lower sound intensity (70 dB) showed a more significant difference in the experimental group than the control group. We concluded that the leader of aerobics exposed to louder sounds than normal people are affected by auditory neurological and octolaryngological disorders. So we think that the leaders of aerobics need to control the noise level for protecting themselves against a disease.
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KEYWORD
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Absolute latency, Interpeak latency, Aerobics, Intensity, dB, Auditory evoked potential
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