Many of the workers are exposed to work that burdens the musculoskeletal system, and musculoskeletal diseases, such as low back pain, are increasing every year. Various muscle support systems, such as wearable robots, have been developed to prevent musculoskeletal diseases at industrial sites, but the system is bulky. Therefore, the total weight is high, it is inconvenient to wear, and the wearer cannot freely perform the activities when power is not supplied. In this paper, in order to compensate for the shortcomings of the hard-type wearable robot system, a soft-type wearable suit using an elastic band was manufactured so that it is light and portable, as it does not require an actuator. The experiment was conducted to verify the effect of muscle strength assistance through an experiment (Measurement of Maximum Waist Torque and Measurement of the Approximate Dose) on the effect of the soft wearable suit. In addition, by making two different types of elastic bands in the wearable suit, it was possible to classify the more effective types for the waist and lower extremities according to the elasticity by comparing the muscle strength assisting effect according to the elastic band.
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EMG and Usability Assessment of Adjustable Stiffness Passive Waist-Assist Exoskeletons for Construction Workers Jung Sun Kang, Bo Ra Jeong, Eung-Pyo Hong, Bok Man Lim, Byung June Choi, Youn Baek Lee, Yun Hee Chang International Journal of Precision Engineering and Manufacturing.2025; 26(1): 227. CrossRef
Development of lifting-assistive passive functional pants for construction works Jin Zhi Chen, Jeong Eun Yoon, Zi Ying Liu, Sung Kyu Lee, Sumin Helen Koo Textile Research Journal.2025;[Epub] CrossRef
Effects of the Wearable Assistive Suit on Muscle Activity during Lifting Tasks Kwang Hee Lee, Chul Un Hong, Mi Yu, Tae Kyu Kwon Journal of the Korean Society for Precision Engineering.2024; 41(1): 47. CrossRef
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In this paper, we examine the exoskeleton robot which can support the muscular strength of the soldiers handling the front load and its applicability in the military field. In fact, in the questionnaire survey on the military applicability of exoskeleton robots, many soldiers reported that they felt immensely fatigued due to the heavy load on their back during the operation. Most of the exoskeleton robots in the military have been developed to reduce fatigue during the mobility and movement of soldiers. Research on the exoskeleton robots to support the waist has been carried out with emphasis on its role in assisting performance of repetitive work in the industrial field or the medical field. To examine the studies on conventional back support exoskeleton robots and to find out the functions required to apply a back-support exoskeleton robot to soldiers, we have classified the existing back support exoskeleton robots into power type, supported body, waterproof grades, and others based on weight, purpose, working time, etc. Apparently, the shape of the exoskeleton robot suitable for application in the military field and the required performance is presented in the present work.
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Muscle Strength Assistance of a Shape Memory Alloy Exoskeleton During Lifting and Lowering Tasks Kwang Hee Lee, Mi Yu, Young Min Kim, Lae Hoon Jeong, Tae Kyu Kwon International Journal of Precision Engineering and Manufacturing.2025; 26(4): 1013. CrossRef
Design of Exo-Suit for Shoulder Muscle Strength Support Kwang-Woo Jeon, TaeHwan Kim, SeungWoo Kim, JungJun Kim, Hyun-Joon Chung Journal of Korea Robotics Society.2023; 18(1): 110. CrossRef
Mapping of Human Contact Areas for Application Field of Wearable Robots Ran-i Eom, Yejin Lee International Journal of Costume and Fashion.2020; 20(2): 11. CrossRef
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