Muscle activity characterization by laser Doppler Myography

Electromiography (EMG) is the gold-standard technique used for the evaluation of muscle activity. This technique is used in biomechanics, sport medicine, neurology and rehabilitation therapy and it provides the electrical activity produced by skeletal muscles. Among the parameters measured with EMG,...

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Published in:Journal of physics. Conference series 2013-01, Vol.459 (1), p.12017-6
Main Authors: Scalise, Lorenzo, Casaccia, Sara, Marchionni, Paolo, Ercoli, Ilaria, Tomasini, Enrico Primo
Format: Article
Language:English
Subjects:
Amplitudes
Assessments
Biomechanics
Contact
Doppler
Doppler effect
Electric contacts
Evaluation
Fatigue (materials)
Lasers
Measurement techniques
Mechanical properties
Muscle fatigue
Muscle function
Muscles
Muscular fatigue
Muscular function
Neurology
Parameters
Patients
Physics
Rehabilitation
Signal processing
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container_title Journal of physics. Conference series
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creator Scalise, Lorenzo
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Ercoli, Ilaria
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description Electromiography (EMG) is the gold-standard technique used for the evaluation of muscle activity. This technique is used in biomechanics, sport medicine, neurology and rehabilitation therapy and it provides the electrical activity produced by skeletal muscles. Among the parameters measured with EMG, two very important quantities are: signal amplitude and duration of muscle contraction, muscle fatigue and maximum muscle power. Recently, a new measurement procedure, named Laser Doppler Myography (LDMi), for the non contact assessment of muscle activity has been proposed to measure the vibro-mechanical behaviour of the muscle. The aim of this study is to present the LDMi technique and to evaluate its capacity to measure some characteristic features proper of the muscle. In this paper LDMi is compared with standard superficial EMG (sEMG) requiring the application of sensors on the skin of each patient. sEMG and LDMi signals have been simultaneously acquired and processed to test correlations. Three parameters has been analyzed to compare these techniques: Muscle activation timing, signal amplitude and muscle fatigue. LDMi appears to be a reliable and promising measurement technique allowing the measurements without contact with the patient skin.
doi_str_mv 10.1088/1742-6596/459/1/012017
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subjects Amplitudes
Assessments
Biomechanics
Contact
Doppler
Doppler effect
Electric contacts
Evaluation
Fatigue (materials)
Lasers
Measurement techniques
Mechanical properties
Muscle fatigue
Muscle function
Muscles
Muscular fatigue
Muscular function
Neurology
Parameters
Patients
Physics
Rehabilitation
Signal processing
title Muscle activity characterization by laser Doppler Myography
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