EMG Based Clinical Evaluation of IndoKnee

Ashish Sahani, Anil Kumar Jain, Nilesh Satiram Gupta, Aalok Pandya, Priya Agarwal and Ganesh Ram Jangir
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Ashish Sahani: Indian Institute of Technology Ropar, India
Anil Kumar Jain: Santokba Durlabhji Memorial Hospital, India
Nilesh Satiram Gupta: Indian Institute of Technology Ropar, India
Aalok Pandya: JECRC University, India
Priya Agarwal: Santokba Durlabhji Memorial Hospital, India
Ganesh Ram Jangir: Newndra Innovations, India

European Journal of Medical and Health Sciences, 2020, vol. 2, issue 5

Abstract: IndoKnee is an unpowered knee assisting device designed and patented by Newndra Innovations. In this paper, we report a clinical study to characterize the reduction in load on the major muscles of the knee from the use of this device. Thirty healthy subjects without any history of knee problems underwent this trial. The protocol consists of three sets of events which are a) without IndoKnee (WOD), b) with IndoKnee at a minimum level of support (WDmin) and c) with IndoKnee at a maximum level of support (WDmax). Each set consists of five sitting and five standing activities. Surface electromyography was recorded from six major knee flexion/extension muscles, which are Bicep Femoris (BF), Semitendinosus (ST), Semimembranosus (SM), Rectus Femoris (RF), Vastus Medialis (VM) and Vastus Lateralis (VL). Paired t-tests were performed on our comparison between WOD vs WDmin and WOD vs WDmax to establish a significant difference in the EMG peak amplitudes during sitting and standing activities. The average reduction in all the six muscles for sitting activity is about 15% for both level of support and the standing activity, it is about 15% at a minimum level of support and 20% at a maximum level of support. In our investigation, IndoKnee did effectively reduce the required muscular effort for the knee flexion/extension. Thus, IndoKnee may prove to be an effective device in reducing knee pain, supporting osteoarthritis patients and faster rehabilitation from knee injuries.

Keywords: Clincal Trials; EMG; Knee Support Device; Rehabilitation (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:epw:ejmed0:v:2:y:2020:i:5:id:40492

DOI: 10.24018/ejmed.2020.2.5.492

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