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Updated: Apr 4, 2026
Collection of Skeletal Muscle Biopsies from the Superior Compartment of Human Musculus Tibialis Anterior for Mechanical Evaluation
Published on: September 27, 2020
Application of biospeckles for assessment of structural and cellular changes in muscle tissue
Oleksandr P Maksymenko1, Leonid I Muravsky1, Mykola I Berezyuk2
1Karpenko Physico-Mechanical Institute of the National Academy of Sciences of Ukraine, Department of Optical-Digital Diagnostic Systems, 5 Naukova Street, Lviv 79060, Ukraine.
Abstract:
A modified spatial-temporal speckle correlation technique for operational assessment of structural changes in muscle tissues after slaughtering is considered. Coefficient of biological activity as a quantitative indicator of structural changes of biochemical processes in biological tissues is proposed. The experimental results have shown that this coefficient properly evaluates the biological activity of pig and chicken muscle tissue samples. Studying the degradation processes in muscle tissue during long-time storage in a refrigerator by measuring the spatial-temporal dynamics of biospeckle patterns is carried out. The reduction of the bioactivity level of refrigerated muscle tissue samples connected with the initiation of muscle fiber cracks and ruptures, reduction of sarcomeres, nuclei deformation, nuclear chromatin diminishing, and destruction of mitochondria is analyzed.
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