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Abstract #2338

Brain Activation Study by Passive Intra-Articular Movement of Radiolunate and Sacroiliac Joints Using fMRI.

Chuzo Tanaka1, SETSUO Hakata2, Tomokazu Murase3, Masahiro Umeda4, Yasuharu Watanabe4, Yuko Kawai5, Yoshiaki Someya6, Shoji Naruse7, Toshihiro Higuchi8

1Meiji University of Integrative Medicine, Kyoto, Japan; 2Japanese Medical Society of Arthrokinematic Approa, Fujiyoshida, Yamanashi, Japan; 3Dept. of Neurosurgery, Meiji University of Integrative Medicine, Nantan-shi, kyoto, Japan; 4Dept. of Medical Informatics, Meiji University of Integrative Medicine, Nantan, Kyoto, Japan; 5Dept. of Medical Informatics, Dept. of Medical Informatics, Nantan, Kyoto, Japan; 6MR center of COE, Keio University, Yokohama, Kanagawa, Japan; 72nd Okamoto General Hospital, Kyoto, Japan; 8Dept. of Neurosurgery, Meiji University of Integrative Medicine, Nantan, Kyoto, Japan


We studied to clarify the effect of passive intra-articular movement to the brain using fMRI. Stimulation of joint movement consisted of three kinds of stimulations – passive joint movement of wrist for control, passive intra-articular movement of radiolunate joint, and sacroiliac joint. Main activated areas of radiolunate joint were ipsilateral cerebellum, contaralateral insular cortex and motor cortex. Main activated areas by sacroiliac joint were contaralateral insular cortex and ipsilateral BA 7. Relief of joint pain may be modified by these brain areas to manipulate intra-articular movement. This is a first basic study of manual therapy using fMRI.