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We investigated the effectiveness of a Web-based healthcare system that allows participants to record measurements of blood pressure, body weight, and the number of steps walked per day. After receiving a medical examination, participants were registered on the Web-based system and encouraged to record data. A total of 223 participants initiated contact with the system; however, only 27 monitored...
Considering the aged population increase, the prevention of falls will become increasingly importance. One of the causes of elderly people fall is the decline of the balance ability. The purpose of this study is to examine the difference of the sensitivities to the single frequency vibration of three places in planta pedis. We made a simple vibration stimulator, which can give 225Hz vibration stimuli...
The purpose of this study was to develop a new type of the sensory feedback system for the myoelectrically controlled biomimetic prosthetic hand. One of the characteristic features of the neuromuscular control system in man is an increase in the compliance around the joint, with the decreasing activity of the muscle. For the sensory feedback system the interferential current with two waves was used,...
The Jyros valve has unique hydrodynamic characteristics comparing with other types of valves. In this study, precise hydrodynamic characteristics of the valve were examined using a mock circulatory system, which we have developed. Further, the influence of leaflet rotation is shown to reduce flow resistance under the rotational flow condition which was produced by a spiral vortex pump. However, hemolysis...
The new method of estimating the number and the size of active motor units by processing mass electromyogram (EMG) is devised. This method is based on a model of mass EMG generation, which is founded on the knowledge of the mode of motor units activities. This model is described as follows. (1) Mass EMG is the sum of all active motor units action potential trains. (2) An input of each motor unit is...
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