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http://dx.doi.org/10.12940/jfb.2021.25.5.99

Development of Stretch Sensors to Measure Thigh Motor Capacity  

Jang, Jinchul (Dept. of Samrt Wearable Engineering, Soongsil University)
Park, Jinhee (Orgnic Materials and Fiber Engineering, Soongsil University)
Kim, Jooyong (Orgnic Materials and Fiber Engineering, Soongsil University)
Publication Information
Journal of Fashion Business / v.25, no.5, 2021 , pp. 99-113 More about this Journal
Abstract
This study aimed to produce sensors for measuring thigh motor skills. A textile stretch sensor was manufactured using a CNT(Carbon Nano Tube) 0.1 wt% water SWCNT(Single-Walled Carbon Nano Tube) solution, and different designs were applied to increase the sensitivity of the sensor, and different GF(Gauge Factor) values were compared using UTM devices. The same design was applied to fabrics and weaves to observe changes in performance according to fibrous tissue, and the suitability of sensors was determined based on tensile strength, elongation, and the elongation recovery rate. Sensitivity was found to vary depending upon the design. Thus the manufactured sensor was attached to a pair of fitness pants as a prototype, divided into lunge position and squat position testing, and the stretch sensor was used to measure thigh movements. It was shown that stretch sensors used to measure thigh motor skills should have light and flexible features and that elongation recovery rates and tensile strength should be considered together. The manufactured stretch sensor may be applicable to various sports fields that use lower limb muscles, wearable healthcare products, and medical products for measuring athletic ability.
Keywords
clothing-type wearable products; textile type sensor; stretch sensor; CNT dispersion solution; measurement of thigh Motor skills;
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