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168 Computer Science & Information Technology (CS & IT) phenomenon is called as “kinaesthetic illusion” and it is discovered by Goodwin in 1972 [5]. This kinaesthetic illusion has been studied in the field of neurophysiology. The cause of this illusion is that the receptors in a muscle, called as muscle spindle, is stimulated by vibration and it generate electric signals, called as Ia afferents, to brain. By receiving this Ia afferents, the brain makes misinterpretation that the vibrated muscle is elongated and the body parts which is connected to vibrated muscle are moving despite the body parts are not moving actually [6], [7]. We found that the motion change can be generated by using this misinterpretation generated by vibration stimulation in previous studies [3], [4]. In those studies, vibration stimulation is added to biceps brachii and triceps brachii during elbow joint flexion/extension motion and owing to the gap between actual elbow joint angular velocity and subject’s elbow joint feeling, motion change was generated. In this study, vibration stimulation is added to biceps brachii during elbow extension motion under some loaded conditions. Since many daily tasks are conducted under a loaded condition, the features of motion change under the loaded condition induced by vibration stimulation must be investigated. The experimental results show that the motion change can be generated under the loaded condition by vibration stimulation and the changing rates of motion change are investigated. 2. METHODS 2.1. Experimental devices In this study, vibration stimulation is added to biceps brachii of subject’s right elbow. Subjects are seated on a chair (see Figs. 1 and 2). Subject’s both arms are fixed to the frame of goniometer (rotary encoder: RE12D-300-201). The angle range of elbow extension motion is 0 (deg)-45 (deg). Elbow angle and angular velocity are recorded by workstation. According to previous study [3], 70-100 Hz vibration stimulation can generate kinaesthetic illusion and motion change. The vibrator used in this study (Fig.1) can also generate 70-100 (Hz) vibration stimulation and its amplitude is 1.0 (mm). 2.2. Procedure of the experiments In this experiment, the effect of loaded condition to motion change caused by vibration stimulation is investigated. To make the amount of motion change with kinaesthetic illusion clear, subjects are assigned to make the elbow angle of the right “Vibrated arm” correspond to the elbow angle of left “Reference arm”. It is assumed that a gap between the elbow angle of Vibrated arm and Reference arm is generated when an illusion is generated with vibration stimulation. Procedure of the experiment is shown below. There are a practice part and an experiment part. A) Practice part 1. Practices are conducted to position their elbow angle of both arm 20 (deg) without watching. 2. Other practices are conducted to generate extension motion with both elbow angles’ angular velocity 3 (deg/s).
B) Experiment part Computer Science & Information Technology (CS & IT) 169 1. Subject’s elbow angle is adjusted to 0 (deg). 2. The encoders recording are started and subject’s both elbow angles are adjusted to 45 (deg). Figure 1. Experimental device and vibrator Figure 2. Experimental conditions Figure 3. Loaded condition during motion change
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Computer Science & Information Tech
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Volume Editors Dhinaharan Nagamalai
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Organization General Chair Nataraja
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Technically Sponsored by Computer S
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Fourth International Conference on
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UNSUPERVISED DETECTION OF VIOLENT C
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INVESTIGATING BINARY STRING ENCODIN
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USE OF ADAPTIVE COLOURED PETRI NETW
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2.2. Extended Adaptive Decision Tab
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4. METHODOLOGY Computer Science & I
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A NOVEL ADAPTIVE - WAVELET BASED DE
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HANDWRITTEN CHARACTER RECOGNITION U
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DIVING PERFORMANCE ASSESSMENT BY ME
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4.4. Barycentre identification Comp
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IS AI IN JEOPARDY? THE NEED TO UNDE
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ANKLE MUSCLE SYNERGIES FOR SMOOTH P
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ADVANCED LSB TECHNIQUE FOR AUDIO ST
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SECURING ONLINE ACCOUNTS VIA NEW HA
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• Clark-Wilson Integrity Model Co
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NEW NON-COPRIME CONJUGATE-PAIR BINA
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TOWARDS A MULTI-FEATURE ENABLED APP
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Page 129 and 130: 3.1. Architecture Computer Science
Page 131 and 132: Computer Science & Information Tech
Page 139 and 140: ESTIMATING HANDLING TIME OF SOFTWAR
Page 153 and 154: NEED FOR A SOFT DIMENSION Pradeep W
Page 157 and 158: AUTHORS Computer Science & Informat
Page 159 and 160: THE ANNUAL REPORT ALGORITHM: RETRIE
Page 179: A STUDY ON THE MOTION CHANGE UNDER
Page 185 and 186: ADAPTIVE AUTOMATA FOR GRAMMAR BASED
Page 197 and 198: STORAGE GROWING FORECAST WITH BACUL
Page 209: AUTHOR INDEX Abdullah A. Al-Shaher
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