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Axial stress determines the velocity of shear wave propagation in passive but not active muscles in vivo
- Source :
- Journal of Applied Physiology. 134:941-950
- Publication Year :
- 2023
- Publisher :
- American Physiological Society, 2023.
-
Abstract
- Ultrasound shear wave elastography may be an inexpensive way to measure muscle stress in passive muscle. Here, using a cat model we directly measured shear wave velocity (SWV), muscle stress, and muscle stiffness. Our results show that SWV depends primarily on the stress in a passively stretched muscle. In contrast, the SWV in active muscle is higher than would be predicted by considering only stress, presumably due to activation-dependent changes in muscle stiffness.
- Subjects :
- Physiology
Physiology (medical)
Subjects
Details
- ISSN :
- 15221601 and 87507587
- Volume :
- 134
- Database :
- OpenAIRE
- Journal :
- Journal of Applied Physiology
- Accession number :
- edsair.doi...........b311787b259a5f7acd279155fa45e7ba