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  • EVENTS
  • CED-Square on The Press
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  • publications and patents
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CONFERENCE

The 34th Conference of the Mechanical Engineering Network of Thailand

7/15/2020

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Chaniya Jaroenkunathum, Warath Sitlaothaworn, Khakhanan Ngamdencharoensri, and Bunyong Rungroungdouyboon, "The design and development of standing-assist walker (EZstand walker)" , Prachuap Khiri Khan​, 15 - 17 July 2020
Abstract
              The ability to stand up from a sitting position is essential for older adults to live independently and
maintain an adequate level of physical activity [1]. Most elderly face the difficulty in sit to stand movement
that is the reason why standing assist device is required. EZstand walker, a 4 wheels walker with standing assistmode,
is designed to help solving this problem. The working concept is to use the force provided by the upper
extremity to support standing process. The device is mainly designed to use with elderly people for using in
daily life activity. In this study, the experiment using EMG is required to measure and compare leg muscles’
voltage different between normal sit to stand movement and sit to stand movement with EZstand walker.
Muscles that covered in this study are consist of leg muscles and arm muscles. Leg muscles, which are
considered and used for calculating voltage reduction, are quadriceps which compose of RECTUS FEMORIS (RF), VASTUS LATERALIS (VL), and VASTUS MEDIALIS (VM). The upper arm muscles, which are considered in sit-tostand movement with EZstand walker, are TRICEPS BRACHII muscles and BICEPS BRACHII muscles. The result turns out that leg muscles produced smaller voltage value when using EZstand walker which indicated to the reduction of force.
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