• 한국전문물리치료학회지
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• 제6권2호
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• pp.56-66
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• 1999

The purpose of this study focused how to show physiological responses comparing exercise group and non exercise group for progressive maximal wheelchair ergometer exercise loading in complete paraplegia. It also examined the various factors which would be influenced physiological responses. Sixteen subjects have been investigated in this study, and the subjects are divided into two groups as follows: 1) exercise group (7 subjects) 2) non exercise group (9 subjects). Each test was terminated by physical exhaustion and/or an inability to maintain a flywheel velocity. The results were as follows: 1) No difference was noted in pulmonary function test between two groups. 2) $\dot{v}$ Emax value during maximal exercise was significantly different between the groups (p<0.05). The mean $\dot{v}$ Emax of exercise group was $69.67{\ell}/min$, non exercise group was $41.47{\ell}/min$. 3) $\dot{v}$ $O_2max$(${\ell}/min$) value during maximal exercise was significantly different between the groups (p<0.05). The mean $\dot{v}$ $O_2max$(${\ell}/min$) of exercise group was $1.72{\ell}/min$, non exercise group was $1.15{\ell}/min$. 4) $\dot{v}$ $O_2$ max(ml/kg/min) value during maximal exercise was significantly different between the groups (p<0.05). The mean $\dot{v}$ $O_2max$($ml/kg{\cdot}min$) of exercise group was $25.99ml/kg{\cdot}min$, non exercise group was $18.61{\ell}/min$. 5) Maximal heart rate(HRmax) value during maximal exercise was significantly different between the groups (p<0.05). The mean HRmax of exercise group was 180.43 beats/min, non exercise group was 175.00 beats/min. 6) $\dot{v}\;E/\dot{v}\;O_2$ value during maximal exercise was not significantly different between the groups (p>0.05). The mean $\dot{v}\;E/\dot{v}\;O_2$ of exercise group was $36.36{\ell}/{\ell}\;O_2$, non exercise group was $45.46{\ell}/{\ell}\;O_2$. Considering the results which explore the exercise group with paraplegia has shown the maximal aerobic power compared with non exercise group, regular and consistent physical training is highly assumed as a main factor to improve cardiopulmonary fitness.

• 대한인간공학회지
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• 제30권5호
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• pp.613-619
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• 2011

Objective: The purpose of this study is to compare the muscle activities of lumbar and lower extremity muscles between left and right sides using EMG(Electromyogram) when patients are transferred by physical therapists. Background: Asymmetrical lift was recognized as a major cause of musculoskeletal disorder. Several studies show that physical therapists' transferring patients needs caution as it could cause a lumbar pain to patients but there is not sufficient data to support. Method: Forty healthy rehabilitation hospital physical therapists joined for this study. The subjects were transferred from wheelchair to treatment mat(from left to right) by connecting the EMG device to the patients' body both on erector spine and rectus fermoris. At the moment when subjects were being transferred, the EMG device collected data from both erector spine and rectus femoris and it was normalized as %MVC. Then the EMG data was statistically analyzed using paired t-tests. Results: The EMG data show that the left erector spinae and rectus femoris are more activated than right erector spinae and rectus femoris in all position(p<.05) in a significant degree. Conclusion: The result implies that physical therapists' asymmetrical lifting when patients are transferred by them has a potential cause of musculoskeletal disorder of patients. Further studies will be conducted to find out a same tendency in other muscles of a body and to see if there are other factors to affect to patients during asymmetrical lifting. Application: These results can be used to provide baseline information for more understanding to asymmetrical lift loading.

• Composites Research
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• 제32권4호
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• pp.171-176
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• 2019

본 연구는 복합재를 사용한 휠체어 고정구의 구조 강도 특성에 대하여 평가하였다. 이를 위해 특별교통수단 내 휠체어 고정구의 시험 기준 ISO 10542에 의거하여 전방 충돌 슬레드 유한요소해석을 진행하였고, 이를 통해 얻은 고정구에 작용하는 하중데이터를 휠체어 고정구 유한요소해석의 초기 조건으로 사용하였다. 고정구는 블록, 가이드, 레일로 구성되어 있으며, 이 중에서 레일의 중량 비율이 가장 높기 때문에 탄소섬유 에폭시 복합재를 레일에 적용하는 것이 적합한 것으로 나타났다. 또한 기존의 레일에서 하단 부분을 복합재로 적용한 하이브리드 레일은 기존 SAPH 440으로 제작된 레일의 구조강도와 비슷하게 설계할 경우, 약 27% 정도 경량화를 달성할 수 있는 것으로 나타났다.

• 한국산학기술학회논문지
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• 제13권9호
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• pp.4119-4125
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• 2012

이 연구는 뇌졸중 환자를 대상으로 한국판 수정바델지수(Korean Version of Modified Barthel Index: K-MBI)의 타당도, 신뢰도와 문항변별도를 알아보기 위해 실시되었다. 223명의 뇌졸중 환자를 대상으로 K-MBI를 사용하여 일상생활활동을 측정하였다. 타당도를 알아보기 위해 요인분석을 실시하였고, 문항내적 합치도, 문항변별도를 알아보았다. 요인분석 결과, K-MBI의 10개 항목의 공통성은 .50이상으로 나타났으며, 하나의 요인에 적재되는 것으로 나타났다. 설명량은 72.184%이었다. 요인적재량은 용변처리, 개인위생, 의자/침대 이동, 보행/의자차, 옷 입기, 식사하기, 대변조절, 목욕하기, 소변조절, 계단 오르기 순으로 나타났다. K-MBI의 Cronbach ${\alpha}$ 값은 .944로 나타났으며, 각 항목의 문항변별도는 .783~.909로 만족할 만한 수준이었다. 요인분석을 통해 K-MBI의 일상생활활동이라는 하나의 구성요인을 확인하였으며, 신뢰도와 문항변별도를 확인하였다. 뇌졸중 환자의 일상생활활동의 타당한 평가를 위해, 앞으로의 연구에서는 K-MBI의 다양한 심리측정학적 특성을 알아보는 연구가 필요할 것으로 생각된다.