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Updated: Jan 7, 2026
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Myo-mechanical Analysis of Isolated Skeletal Muscle
Published on: February 22, 2011
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Multiscale analysis of mechanical stress in muscle under static and dynamic loading
Xue Ke1,2, Yansong Lu1, Linjing Peng1
1School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200030, China.
Biophysics Reports
|January 1, 2026
Summary
Cyclic force stimulation may prevent deep tissue injury (DTI) by altering mechanical stress on muscle fibers. Specific high-frequency, low-amplitude forces appear to reduce damaging stress, suggesting a potential protective mechanism against prolonged mechanical loading.
Area of Science:
- Biomechanics
- Cellular mechanics
- Tissue engineering
Background:
- Deep tissue injury (DTI) results from prolonged mechanical loading.
- Understanding cellular and tissue responses to cyclic force stimulation is crucial for DTI prevention.
- Current knowledge of biomechanical mechanisms in DTI is limited.
Purpose of the Study:
- To investigate the biomechanical effects of cyclic force transmission on muscle fibers.
- To analyze the impact of varying cyclic force parameters (frequency, amplitude) on tissue and cellular stress.
- To explore potential strategies for mitigating DTI using multiscale modeling.
Main Methods:
- Utilized a multiscale finite element model to simulate cyclic force transmission.
- Incorporated viscoelastic properties of muscle tissues and cells.
- Analyzed stress relaxation under different cyclic force frequencies and amplitudes.
Main Results:
- Maximal Von Mises stress increased with cyclic force amplitude.
- Frequency variations had minimal impact on macroscopic and mesoscopic models.
- Microscopic models showed frequency-dependent stress changes; high frequency/low amplitude reduced stress.
Conclusions:
- A high-frequency, low-amplitude cyclic force mode shows potential for mitigating mechanical damage.
- This specific loading pattern may delay or prevent deep tissue injury.
- Findings offer insights into novel strategies for DTI prevention through controlled mechanical stimulation.
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