ABSTRACT
Clinical effect of a new TENS apparatus SOMA DYNE and its influence on blood constituents were studied.<br>1. Treatment was performed for four consecutive days, 10min a day, in the patients with chronic pain in their various parts of the bodies. After the treatment, the range of movement (ROM) was improved in fifty out of fifty-two patients (96%).<br>2. Effect of electrotherapy on blood constituent was examined in six male normal controls after treatment for two consecutive days, 10min a day.<br>1) Red blood cell counts, levels of hemoglobin and hematocrit decreased. Whole white blood cell (WBC) counts decreased; however, no changes were observed in analysis of WBC.<br>2) Levels of serum sodium and calcium decreased, whereas those of potassium increased.<br>3) Levels of plasma adrenaline and endorphin decreased.<br>These changes suggest that<br>1. SOMA DYNE is very effective for the patient with chronic somatic pain.<br>2. Electrotherapy may affect the cell ion channels.<br>3. Sympathetic nerve activity decreases by the treatment.