불안정 발판(Unstable Platform) 에서 20대 연령의균형능력 평가
Evaluation of the Balance Ability for 20 to 29 Years Old on the Unstable Platform
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초록
The purpose of this study were to evaluate and compare the balance ability at differentconditions in normal 20 to 29 years old on unstable platform, KA T 2000(Breg, Inc.,Vista, CA 1994). Static and dynarnic BI(balance index) were measured 3psi and 5psisurface conditions. Static tests were done on right and left leg separately, then bothlegs together with the feet apart 20cm with the eyes opened and closed. Dynarnic ‘tests were done on both legs together with apart 20cm with the eyes opened. Adynarnic test was performed in which the subject moved platform in a circular mannerto chase a moving object on a computer screen. Seventy healthy students(average 21.6years, male, female) were tested. In this study applied the paired t-test and correlationto deterrnine the statistical significance of result. The results were as follow: 1) Themean static balance index of the Rt leg was 119.9 ±75.72 on 3psi surface conditionwith the eyes opened， and that of the Lt leg was 224.3 ±121.16. 2) The mean staticbalance index of the Rt leg was 93.1 ± 24.16 on 5psi surface condition with the eyes opened， and that of the Lt leg was 180.5 ± 61.76. 3) The rmean static and dynamic balance index of both legs were 76.4 ±3U36, 2187.6 ±696.99).ffi on 3psi with the eyes opened,and 68.3 ±14.82, 1938.7 ±525.41 on 5psi respectively. 4) The mean static balance indexof the Rt leg was 517.8 ±220.87 on 3psi surface condition with the eyes closed, andthat of the Lt leg was 588.6 ±204.81. 5) The mean static balance index of the Rt legwas 271.9 ±192.151 on 5psi surface condition with the eyes closed, and that of the Ltleg was 363.4±98.97. 6) The mean static balance index of both legs was332.6 ±137.31 on 3psi surface condition with the eyes closed, and that of the 5psi was288.5 ±133.ü7. 7) The balance index on 3psi surface condition was significantly higherthan that of 5psi (p<0.05, p<O.Ol). 8) The balance index with the eyes closed wassignificantly higher than that of the eyes opened (p<0.05). 9) The balance index on theleft leg was significantly higher than that of the right leg (p<0.05, p<O.Ol). 10) Therewas no correlation between static balance index and dynarnic balance index. 11)Therewas no correlation between weight or height and balance index.
Abstract
The purpose of this study were to evaluate and compare the balance ability at differentconditions in normal 20 to 29 years old on unstable platform, KA T 2000(Breg, Inc.,Vista, CA 1994). Static and dynarnic BI(balance index) were measured 3psi and 5psisurface conditions. Static tests were done on right and left leg separately, then bothlegs together with the feet apart 20cm with the eyes opened and closed. Dynarnic ‘tests were done on both legs together with apart 20cm with the eyes opened. Adynarnic test was performed in which the subject moved platform in a circular mannerto chase a moving object on a computer screen. Seventy healthy students(average 21.6years, male, female) were tested. In this study applied the paired t-test and correlationto deterrnine the statistical significance of result. The results were as follow: 1) Themean static balance index of the Rt leg was 119.9 ±75.72 on 3psi surface conditionwith the eyes opened， and that of the Lt leg was 224.3 ±121.16. 2) The mean staticbalance index of the Rt leg was 93.1 ± 24.16 on 5psi surface condition with the eyes opened， and that of the Lt leg was 180.5 ± 61.76. 3) The rmean static and dynamic balance index of both legs were 76.4 ±3U36, 2187.6 ±696.99).ffi on 3psi with the eyes opened,and 68.3 ±14.82, 1938.7 ±525.41 on 5psi respectively. 4) The mean static balance indexof the Rt leg was 517.8 ±220.87 on 3psi surface condition with the eyes closed, andthat of the Lt leg was 588.6 ±204.81. 5) The mean static balance index of the Rt legwas 271.9 ±192.151 on 5psi surface condition with the eyes closed, and that of the Ltleg was 363.4±98.97. 6) The mean static balance index of both legs was332.6 ±137.31 on 3psi surface condition with the eyes closed, and that of the 5psi was288.5 ±133.ü7. 7) The balance index on 3psi surface condition was significantly higherthan that of 5psi (p<0.05, p<O.Ol). 8) The balance index with the eyes closed wassignificantly higher than that of the eyes opened (p<0.05). 9) The balance index on theleft leg was significantly higher than that of the right leg (p<0.05, p<O.Ol). 10) Therewas no correlation between static balance index and dynarnic balance index. 11)Therewas no correlation between weight or height and balance index.