노인들의 전도 위험 요인이 감각조직 및 운동제어 기능에 미치는 영향
The effects of fall-related injury of risk factors on sensory organization and motor control function on in old adults
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이 연구의 목적은 노인들의 전도 위험 요인이 평형성과 평형전략 및 반응시간, 적응도에 미치는 영향을 보고자 하였다. 이 연구에 참여한 피검자는 40명으로, 전도 위험 요인(어지러움, 전도 유경험자, 근골격계 질환자)을 가지고 있는 20명과 그렇지 않은 일반 노인 20명으로 나누었다. 동적자세측정기를 이용하여 두 집단 모두 감각조절 및 운동제어 기능을 측정하였다. 연구 결과 평형성점수는 조건 4(시각 정상, 지면 흔들림)에서 통제군에 비해 유의하게 점수가 낮았고, 평형전략에서는 조건 1(시각 정상, 발판고정)과 조건 4에서 통제군에 비해 유의하게 낮게 나타냈다. 반응시간에서는 MF(중간크기 전방전환)에서 통제군에 비해 유의하게 늦게 나타냈고, 적응도에서는 반복 3번째 5번째 상황에서(8°올리고 내리기) 통제군에 비해 높게 나타냈다. 연구 결과를 종합해 볼 때 전도 위험 요인과 특히 어지러움은 노인들의 감각조직 및 운동제어 기능에 부정적인 영향을 미치는 것으로 나타났다.
Abstract
This compared the difference between sensory organization and motor control function by fall-related injury of risk factors in old adults. 40 subjects were divided into fall-related injury group (FIG, n=20), and non-fall-related injury group (NFIG, n=20). sensory organization test (SOT-equilibrium and balance strategy) and motor control test (MOT-reaction time and adaptation) were executed in posturography, respectively. Equilibrium was significantly lower in FIG compared to NFIG at condition 4(normal vision & sway-referenced support), and balance strategy was significantly lower in FIG compared to NFIG at condition 1(normal vision and fixed support) and 4. Reaction time was significantly later in FIG compared to NFIG at MF(medium forward), and adaptation was significantly higher in FIG compared to NFIG at condition 3(8∘ degree toes up & down) and 5. These results thought that fall-related injury of risk factors and especially dizziness in old adults lead to partly negative effects on sensory organization and motor control function.
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