• Title/Summary/Keyword: 굽힘각도

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Evaluating Joint Motion Sensing Efficiency According to the Implementation Method of CNT-Based Fabric Sensors (CNT 기반의 직물센서 구현 방법에 따른 관절동작 센싱 효율 평가)

  • Cho, Hyun-Seung;Yang, Jin-Hee;Lee, Joo-Hyeon
    • Science of Emotion and Sensibility
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    • v.24 no.4
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    • pp.129-138
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    • 2021
  • This study aimed to determine the effects of the shape and attachment position of stretchable textile sensors coated with carbon nanotube on their performance when used to measure children's joint movements. Moreover, the child-safe requirements for fabric motion sensors are established. The child participants were advised to wear integrated clothing equipped with the sensors of various shapes (rectangular and boat-shaped) and attachment positions (at the knee and elbow joints or 4 cm below the joints). The voltage change induced by the elongation and contraction of the fabric sensors was determined for arm and leg flexion-extension motions at 60 deg/s (three measurements of 10 repeats each for 60°and 90°angles, for a total of 60 repetitions). Their dependability was determined by comparing the fabric motion sensors to the associated acceleration sensors. The experimental results indicate that the rectangular-shaped sensor affixed 4 cm below the joint is the most effective fabric motion sensor for measuring children's arm and leg motions. In this study, we designed a textile sensor capable of tracking children's joint motion and analyzed the sensor shape and attachment position on motion sensing clothing. We demonstrated that flexible fabric sensors integrated into garments may be used to detect the joint motions of the human body.

Correlation Between Pectoralis Minor, Shoulder Mobility and Neck Range of Motion on Rounded Shoulder Posture for Life-Care Increase in Women University Student (여대생의 라이프 케어 증진을 위한 둥근 어깨 자세의 작은가슴근, 어깨가동성과 목 관절가동범위의 상관연구)

  • Seo, Tae-Hwa;Kim, Min-Sun;Jeong, Yeon-Woo
    • Journal of Korea Entertainment Industry Association
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    • v.13 no.5
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    • pp.239-246
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    • 2019
  • This study aims to examine the correlation between pectoralis minor, shoulder mobility, and neck range of motion on rounded shoulder posture for Life-care increase in Women university student. The 80 female adults with rounded shoulder posture were selected for this study. Measurements of shoulder height were obtained by measuring the rounded shoulder posture using a caliper. To measure the length of pectoralis minor, a tape measure was used to measure from the point where the 4th rib and sternum meets to the inferior medial side of coracoid process. Shoulder mobility was measured by holding fists in both hands, then raising one side of the elbow until the palm on that side can be placed on the back, while lowering the other side of the elbow until the back of the hand on that side can be placed on the back. Neck range of motion was used to measure the neck movement including the flexion and the extension, lateral flexion to the right or to the left, and rotation to the right or to the left. The results of this study showed that there are significant negative correlations between pectoralis minor index, shoulder mobility, and neck range of motion in rounded shoulder posture(p<0.05). From these results, in female students with rounded shoulder, the lateral flexion of the neck to the left decreased as the left shoulder mobility increased, the neck extension decreased as the right pectoralis minor shortened, and the rotation of the neck to the left decreased as the left shoulder mobility increased.