Muscle sound frequency analysis from fast and slow twitch muscle

D. Mealing*, P. W. McCarthy

*Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    1 Citation (Scopus)

    Abstract

    Muscle sounds were recorded from human orbicularis oris and soleus muscles from 5 healthy subjects during isometric contraction. Frequency analysis of the signals revealed distinct power spectra for each muscle type. The peak frequency for soleus was 10.8 ± 3.1 and for orbicularis oris was 22 ± 5 Hz. The results indicate that muscle sound power spectra may reflect fiber type composition and/or motor unit firing frequency.

    Original languageEnglish
    Title of host publicationProceedings of the Annual Conference on Engineering in Medicine and Biology
    PublisherInstitute of Electrical and Electronics Engineers
    Pages948-949
    Number of pages2
    Volume13
    Editionpt 2
    ISBN (Print)0780302168
    Publication statusPublished - 1991
    EventProceedings of the 13th Annual International Conference of the IEEE Engineering in Medicine and Biology Society - Orlando, FL, USA
    Duration: 31 Oct 19913 Nov 1991

    Conference

    ConferenceProceedings of the 13th Annual International Conference of the IEEE Engineering in Medicine and Biology Society
    CityOrlando, FL, USA
    Period31/10/913/11/91

    Keywords

    • Muscle sound frequency analysis
    • Muscle power spectra
    • Motor unit firing frequencies
    • Isometric contraction

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