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Measuring muscle movements with reflective photosensors
KTH, School of Technology and Health (STH).
KTH, School of Technology and Health (STH).
2014 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesisAlternative title
Mätning av muskelrörelse med reflekterande fotosensorer (Swedish)
Abstract [en]

Optomyography is the term chosen to name a device containing several reflective photosensors placed in an armband. The device is constructed so that it can measure muscle movements in the arm through the detection of skin structure variation. The aims of this research were to build such a device that is capable of expressing the structure changes in form of intensity changes in light emitting diodes and determine whether it is possible to distinguish different muscle movements. This was accomplished by designing and testing two different circuit schematics for Optomyography that differ depending on whether the outgoing signal is processed or not. The schematics were then used to build two electrical circuits of Optomyography that were tested with several subjects to see if they were functioning. The results show that only the version of Optomyography, which processes the outgoing signal with a high-pass filter and amplifies it, is able to detect muscle movements through skin structure variations. However, further investigation of the device is needed to see if different movements can be distinguished.

Place, publisher, year, edition, pages
2014. , 35 p.
Keyword [en]
optomyography, muscle movements, reflective photosensors, skin surface variation
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:kth:diva-149267OAI: oai:DiVA.org:kth-149267DiVA: diva2:738673
Subject / course
Medical Engineering
Educational program
Master of Science in Engineering - Medical Engineering
Presentation
2014-05-20, Flemingsberg, 14:00 (Swedish)
Supervisors
Examiners
Available from: 2014-08-22 Created: 2014-08-18 Last updated: 2014-08-22Bibliographically approved

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Optomyography(6027 kB)585 downloads
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf