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KMID : 1143320210100010129
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Therapeutic Science for Neurorehabilitation
2021 Volume.10 No. 1 p.129 ~ p.140
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Accelerometry of Unimanual and Bimanual Activities in Stroke Patients
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Lee Jeong-Eun
Kim Tae-Hoon
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Abstract
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Objective : This study evaluated the differences between the upper and lower arm activities of the affected and non-affected sides in stroke patients performing activities of daily living. It was intended to gather basic data for the measurement of daily activities.
Methods : The participants in the study consisted of 20 patients, 10 had left hemiplegia and 10 had right hemiplegia. Between September and November 2017, they performed drinking and dressing as unimanual and bimanual tasks. The 3-axes accelerometers were placed 2cm below the lateral epicondyle on the upper arm and 2cm below the radial styloid on the lower arm. The data were collected at intervals of 1/32 Hz and analyzed.
Results : In patients with right hemiplegia, the tendon activity was significantly higher in the lower arm when performing a bimanual activity (p<.05), for all the other activities, those of the lower arm were significantly higher than those of the upper arm (p<.01, p<.05). There was no significant difference between the unimanual and bimanual activities of the affected and tendon sides in patients with left hemiplegia (p>.05). In both hands, the activity of the lower arm was significantly higher than that of the activities of the upper and lower arms, except on the affected side (p<.05). In all patients, the activities of the upper and lower arms were significantly higher (p<.05), and the activity of the lower arm was significantly higher than that of the upper (p<.001, p<.05).
Conclusion : The activity was higher on the non-affected side than the affected side during the dressing task, and the overall activity was higher in the lower arm than the upper arm.
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KEYWORD
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Accelerometer, Bimanual task, Stroke, Unimanual task
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