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Related Experiment Video

Updated: Jun 22, 2026

3D Ultrasound Imaging: Fast and Cost-effective Morphometry of Musculoskeletal Tissue
08:52

3D Ultrasound Imaging: Fast and Cost-effective Morphometry of Musculoskeletal Tissue

Published on: November 27, 2017

Imaging 2D optical diffuse reflectance in skeletal muscle.

Janaka Ranasinghesagara, Gang Yao

    Optics Express
    |June 18, 2009
    PubMed
    Summary
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    We found that muscle structure significantly impacts light reflection, with anisotropic features disappearing after rigor completion. This discovery aids in understanding light propagation in skeletal muscle tissue.

    Area of Science:

    • Biophysics
    • Optical Physics
    • Muscle Physiology

    Background:

    • Existing theories do not fully explain optical reflectance from skeletal muscle.
    • Understanding light-tissue interaction is crucial for various applications.

    Purpose of the Study:

    • To investigate the unique optical reflectance patterns in fresh skeletal muscle.
    • To model and quantify changes in reflectance during muscle stretching and rigor.
    • To elucidate the role of sarcomere structure in light propagation.

    Main Methods:

    • Developed a numerical fitting function to analyze reflectance images.
    • Studied reflectance profile changes during stretching and rigor.
    • Incorporated sarcomere diffraction into a Monte Carlo model.

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    Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease

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    Related Experiment Videos

    Last Updated: Jun 22, 2026

    3D Ultrasound Imaging: Fast and Cost-effective Morphometry of Musculoskeletal Tissue
    08:52

    3D Ultrasound Imaging: Fast and Cost-effective Morphometry of Musculoskeletal Tissue

    Published on: November 27, 2017

    Non-invasive Skeletal Muscle Quantification in Small Animals Using Micro-computed Tomography
    07:33

    Non-invasive Skeletal Muscle Quantification in Small Animals Using Micro-computed Tomography

    Published on: November 8, 2024

    Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease
    09:30

    Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease

    Published on: December 18, 2016

    Main Results:

    • Discovered a unique optical reflectance pattern in prerigor skeletal muscle.
    • Observed the diminution of anisotropic features after rigor completion.
    • Demonstrated that sarcomere structures modulate light propagation.

    Conclusions:

    • Muscle sarcomere structure is critical for light propagation in whole muscle.
    • The developed model quantitatively replicates experimental observations.
    • This finding advances the understanding of muscle optics.