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Sensing of joint and spinal bending or stretching via a retractable and wearable badge reel

Author

Listed:
  • Chengyu Li

    (Chinese Academy of Sciences
    Guangxi University)

  • Di Liu

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Chaoqun Xu

    (Chinese Academy of Sciences
    Guangxi University)

  • Ziming Wang

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Sheng Shu

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Zhuoran Sun

    (Peking University Third Hospital)

  • Wei Tang

    (Chinese Academy of Sciences
    Guangxi University
    University of Chinese Academy of Sciences)

  • Zhong Lin Wang

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences
    Georgia Institute of Technology
    CUSPEA Institute of Technology)

Abstract

Human motions, such as joint/spinal bending or stretching, often contain information that is useful for orthopedic/neural disease diagnosis, rehabilitation, and prevention. Here, we show a badge-reel-like stretch sensing device with a grating-structured triboelectric nanogenerator exhibiting a stretching sensitivity of 8 V mm−1, a minimum resolution of 0.6 mm, a low hysteresis, and a high durability (over 120 thousand cycles). Experimental and theoretical investigations are performed to define the key features of the device. Studies from human natural daily activities and exercise demonstrate the functionality of the sensor for real-time recording of knee/arm bending, neck/waist twisting, and so on. We also used the device in a spinal laboratory, monitoring human subjects’ spine motions, and validated the measurements using the commercial inclinometer and hunchback instrument. We anticipate that the lightweight, precise and durable stretch sensor applied to spinal monitoring could help mitigate the risk of long-term abnormal postural habits induced diseases.

Suggested Citation

  • Chengyu Li & Di Liu & Chaoqun Xu & Ziming Wang & Sheng Shu & Zhuoran Sun & Wei Tang & Zhong Lin Wang, 2021. "Sensing of joint and spinal bending or stretching via a retractable and wearable badge reel," Nature Communications, Nature, vol. 12(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-23207-8
    DOI: 10.1038/s41467-021-23207-8
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    Cited by:

    1. Xu, Shuxing & Zhang, Jiabin & Su, Erming & Li, Chengyu & Tang, Wei & Liu, Guanlin & Cao, Leo N.Y. & Wang, Zhong Lin, 2024. "Dynamic behavior and energy flow of floating triboelectric nanogenerators," Applied Energy, Elsevier, vol. 367(C).
    2. Zhongda Sun & Minglu Zhu & Xuechuan Shan & Chengkuo Lee, 2022. "Augmented tactile-perception and haptic-feedback rings as human-machine interfaces aiming for immersive interactions," Nature Communications, Nature, vol. 13(1), pages 1-13, December.
    3. Jinhong Park & Duhwan Seong & Yong Jun Park & Sang Hyeok Park & Hyunjin Jung & Yewon Kim & Hyoung Won Baac & Mikyung Shin & Seunghyun Lee & Minbaek Lee & Donghee Son, 2022. "Reversible electrical percolation in a stretchable and self-healable silver-gradient nanocomposite bilayer," Nature Communications, Nature, vol. 13(1), pages 1-13, December.

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