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KMID : 1137820160370030112
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의공학회지
2016 Volume.37 No. 3 p.112 ~ p.118
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The Wearable Sensor System to Monitor the Head & Neck Posture in Daily Life
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Lee Jae-Hyun
Chee Young-Joon
Bae Je-Eun
Kim Ha-Seon
Kim Young-Hoon
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Abstract
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The neck pain is fairly common occurance. Forward head posture and text neck are poor postures which may be related with neck pain but the evidence is not enough. We developed the wearable sensor which can assess the head & neck posture in daily life. Microprocessor, Bluetooth low energy, and 3-axis accelerometer, rechargeable battery and vibratior for reminding are used to implement the wearable sensor. Real-time algorithm to parameterize the posture for one epoch is implemented which classifies the posture in the epoch into three classed; dynamic, static_good posture, and static_poor posture. Also the algorithm makes reminding to its wearer to give them the prolonged poor posture is detected. The mean error of measurement was 1.2 degree. The correlation coefficient between neck angle and craniovertebral angle was 0.9 or higher in all cases. With the pilot study on text neck syndrome was also quatified. Average of neck angle were 74.3 degree during the listening in the classroom and 57.8 degree during the smartphoning. Using the wearable sensor suggested, the poor postures of forward head posture and neck neck can be detected in real-time which can remind the wearer according to his/her setting.
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KEYWORD
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forward head posture, text neck, wearable sensor, neck pain, posture correction
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FullTexts / Linksout information
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Listed journal information
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