MC sensor-a novel method for measurement of muscle tension
ID Đorđević, Srđan (Author), ID Stančin, Sara (Author), ID Meglič, Andrej (Author), ID Milutinović, Veljko (Author), ID Tomažič, Sašo (Author)

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This paper presents a new muscle contraction (MC) sensor. This MC sensor is based on a novel principle whereby muscle tension is measured during muscle contractions. During the measurement, the sensor is fixed on the skin surface above the muscle, while the sensor tip applies pressure and causes an indentation of the skin and intermediate layer directly above the muscle and muscle itself. The force on the sensor tip is then measured. This force is roughly proportional to the tension of the muscle. The measurement is non-invasive and selective. Selectivity of MC measurement refers to the specific muscle or part of the muscle that is being measured and is limited by the size of the sensor tip. The sensor is relatively small and light so that the measurements can be performed while the measured subject performs different activities. Test measurements with this MC sensor on the biceps brachii muscle under isometric conditions (elbow angle 90°) showed a high individual linear correlation between the isometric force and MC signal amplitudes (0.97 ≤ r ≤ 1). The measurements also revealed a strong correlation between the MC and electromyogram (EMG) signals as well as good dynamic behaviour by the MC sensor. We believe that this MC sensor, when fully tested, will be a useful device for muscle mechanic diagnostics and that it will be complementary to existing methods.

Keywords:biomechanics, skeletal muscles, muscle force, contractile properties, measuring techniques, biophysics
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:FE - Faculty of Electrical Engineering
Publication status in journal:Published
Article version:Publisher's version of article
Number of pages:Str. 9411-9425
Numbering:Vol. 11, iss. 10
PID:20.500.12556/RUL-129626 This link opens in a new window
ISSN on article:1424-8220
DOI:10.3390/s111009411 This link opens in a new window
COBISS.SI-ID:8712276 This link opens in a new window
Publication date in RUL:06.09.2021
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Shortened title:Sensors
COBISS.SI-ID:10176278 This link opens in a new window


License:CC BY 3.0, Creative Commons Attribution 3.0 Unported
Description:You are free to reproduce and redistribute the material in any medium or format. You are free to remix, transform, and build upon the material for any purpose, even commercially. You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.
Licensing start date:01.10.2011

Secondary language

Keywords:biomehanika, skeletne mišice, mišična sila, kontrakcijske lastnosti, merilne tehnike, biofizika

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