노인들의 운동습관이 감각조절 및 운동조절기능에 미치는 영향
Effects of exercise habit on the sensory organization and motor control functions in old adults
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초록
이 연구의 목적은 노인들의 운동습관이 감각조절 및 운동조절기능에 미치는 영향에 대해 검토하였다. 연구대상은 주 3회 이상 1년간 운동프로그램에 참여한 운동군(73.85±3.67세, n=20)과 규칙적으로 운동프로그램에 참여하지 않은 통제군(76.28±4.39세, n=25)으로 분류하였다. 감각조절기능 검사(평형성, 평형전략) 및 운동조절기능 검사(잠복기, 적응도)는 각각 동적자세검사(체성감각을 선택적으로 자극하기 위해 발판의 고정 여부와 시각계의 선태적 자극을 위해 개안, 폐안, 혼동시각을 조합하여 여섯가지 조건으로 구성되고, 발판은 수평으로 전후 이동 및 발판의 앞부분이 위로 아래로 움직직이 가능하여 혼동체성감각으로 자극할 수 있는)에서 실시하였다. 연구 결과 평형성은 조건4(눈을 뜨고 발판 움직이는 상태)에서 통제군에 비해 운동군이 높게 나타났으며(P<.01), 평형전략은 조건1(눈을 뜨고 발판 고정상태)과 조건4에서 통제군에 비해 운동군이 높게 나타났다(P<.05, P<.01). 잠복기는 전후방 작은, 중간, 큰크기의 6가지 조건에서도 통계적으로 유의한 차이를 나타내지 않았으나, 운동조절 검사에 있어서 발판이 위아래로 들리고 내리는 적응도3 및 적응도5에서 통제군에 비해 운동군이 낮게 나타났다(P<.05). 이상의 결과에 의하면 노인들의 평형성 및 평형전략 그리고 적응도의 유의한 개선을 위한 운동습관의 중요성을 제시해 주었다고 할 수 있다.
Abstract
The purpose of this study was to investigate the effects of exercise habit on the sensory organization function and motor control functions in old adults. Subjects were divided into 2 groups: exercise group (EXE, 73.85±3.67, n=20) regularly participated exercise program for 3 times or more/week, for 12 months, and the control group (CON, 76.28±4.39, n=25) not participated in the exercise program. Sensory Organization Test (SOT equilibrium and balance strategy) and Motor Control Test (MOT-latency period and adaptation) were executed using dynamic posturogrphy(EquiTest). Equilibrium was significantly higher in the EXE than in the CON at condition 4 (P<.01). Balance strategy was significantly higher in the EXE than in the CON at condition 1 and 4 (respectively, P<.05, P<.01). Although latency period on Motor Control Test was not significantly different at forward, backward 6conditions, adaptation on Motor Control Test(MOT) was significantly lower in the EXE than in the CON at adaptation 3 and 5 (P<.05). These results thought that regularly participated exercise habit in old adults seem to improve an equilibrium, balance strategy, adaptation.
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