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Journal of the Korean Academy of Rehabilitation Medicine 1984;8(1):10.
Electromyographic Finding of Posterior Tibialis in Radiculopathies
Jin Ho Kim, M.D., Tai Ryoon Han, M.D., Se Yoon Oh, M.D.
Department of Rehabilitation Medicine, Seoul National University Hospital
신경근 병변과 후경근 근전도 소견의 관계에 대한 연구
김진호, 한태륜, 오세윤
서울대학교병원 재활의학과

Since March 1980 to Jan, 1984, 111 cases of L5 and S1 radiculopathies who were diagnosed by electromyography at Dept. of Rehabilitation Medicine, Seoul National University Hospital, was analaysed in retrospective study.

Our aim in this study was the usefulness of tibialis posterior muscle in radiculopathies.

Our results obtationed were as follows.

1) Among the 111 cases, 65 cases (58.6%) were electromyographically positive findings in both anterior and posterior rami, 46 cases(41.4%) were positive findings in only anterior rami.

2) L5 radiculopathies were markedly predominant than S1 radiculopathies in spite of pure or mixed pattern.

3) In L5 radiculopathies, tibialis posterior muscle was the most sensitive muscle in electromyographic findings and in S1 radiculopathies, abductor hallucis muscle was the most sensitive one.

4) The tibialis posterior muscle was more sensitive in pure L5 radiculopathies compared to pure S1 radiculopathies.

Key Words: Radiculopathy, Posterior tibialis, Electromyography, Tibialis posterior


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