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Evaluation of disorder of lumbar vertebrae with use of physiological tremor on trunk of body
Kazuyoshi Sakamoto,Kouichi Wakimoto,Toshifumi Dakeshita,Min Byung-Chan,Kazuyoki Mito 대한인간공학회 2010 대한인간공학회 학술대회논문집 Vol.2010 No.5
The existence of mechanical vibrations and electric vibrations in living body are explained. Especially, physiological tremor, which is defined as mechanical vibration of body part like finger, hand, upper limb, is take up. It is shown in the preceding research that physiological tremor has useful feature, because the function of both upper control system (i.e., brain) and reflex system is elucidated by analysis of the tremor wave . The function of the patients of disorder of lumber vertebrae (i.e., low back pain) is studied with use of physiological tremor of trunk of body. The sum of power spectrum in the frequency range (1 to 30 ㎐) for healthy persons is also obtained as total power. Using the total power, the criterion of the healthy persons is determined. On the basis of the total power for healthy persons, the function for the patients of disorder of lumber vertebrae is evaluated.