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J Korean Bal Soc > Volume 2(2); 2003 > Article
Journal of the Korean Balance Society 2003;2(2): 291-291.
Change the balance function with aging : computerized dynamic posturography study
Chang Min Lee MD*
Change the balance function with aging : computerized dynamic posturography study
Chang Min Lee MD*, Jae Il Kim MD, Geun Ho Lee MD, Sang Woo Bae MD, Joon Woo Kwon MD, Sook Yoon MD, Yoon Jung Chang MD
Department of Neurology, Dankook University Hospital
ABSTRACT
Background and Objective:   The purpose of this study was to evaluate the balance with aging using the values of sensory organization test(SOT) and motor control test(MCT) of computerized dynamic posturography(CDP) in the healthy Koreans.
Method:   We studied equilibrium score of SOT and weight symmetry, latency, and adaptation scores of MCT in 72 Korean healthy population. We divided the population into three groups, 3rd, 5th and 7th decade of age. In SOT, we studied the contribution of each sense to maintaining equilibrium when other senses were either absent or provided with inaccurate information. MCT provoked autonomic postural reactions through a series of sudden anterior and posterior support surface translations. In MCT, we studied latencies in sudden translation of foot plate.
Results:   In SOT, the range of median equilibrium scores were from 64 to 94, 61 to 93, and 55 to 93 in three groups respectively. In MCT, during sudden anterior and posterior perturbation, weight symmetries were 102.9±7.9, 104±8.1, 106.3±9.0 in three groups respectively. Median latencies were 125.8-134.3, 130.2-139.4, 132.6-141.8msec in three groups respectively. In toes up and toes down test of MCT the mean adaptation scores were 54 to 71 and 40 to 53 in 3rd decade group, 56 to 74 and 43 to 59 in 5th decade group, and 58 to 75 and 44 to 63 in 7th decade group, respectively.
Conclusion:   Almost all measures of balance were worse in elderly group compared with young group. The decrements in aged persons suggest decreased capacity to process sensory inputs. And this occurs most likely as a result of biomechanical or central processing changes.
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