ArticleInternational journal of biomedical imaging2014
Transverse Strains in Muscle Fascicles during Voluntary Contraction: A 2D Frequency Decomposition of B-Mode Ultrasound Images.
Article in International journal of biomedical imaging, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Estimation of absolute states of human skeletal muscle via standard B-mode ultrasound imaging and deep convolutional neural networks.Journal of the Royal Society, Interface · 2020Article
- The Effect of Multidirectional Loading on Contractions of the M. Medial Gastrocnemius.Frontiers in physiology · 2020Article
- The Energy of Muscle Contraction. I. Tissue Force and Deformation During Fixed-End Contractions.Frontiers in physiology · 2020Article
- Effects of Rest Position on Morphology of the Vastus Lateralis and Its Relationship with Lower-Body Strength and Power.Journal of functional morphology and kinesiology · 2019Article
- Size, History-Dependent, Activation and Three-Dimensional Effects on the Work and Power Produced During Cyclic Muscle Contractions.Integrative and comparative biology · 2018Article
- Shifting gears: dynamic muscle shape changes and force-velocity behavior in the medial gastrocnemius.Journal of applied physiology (Bethesda, Md. : 1985) · 2017Article
- Comparison of the Relationship between Lying and Standing Ultrasonography Measures of Muscle Morphology with Isometric and Dynamic Force Production Capabilities.Sports (Basel, Switzerland) · 2017Article
- Article
- The effect of intramuscular fat on skeletal muscle mechanics: implications for the elderly and obese.Journal of the Royal Society, Interface · 2015Article
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
When skeletal muscle fibres shorten, they must increase in their transverse dimensions in order to maintain a constant volume. In pennate muscle, this transverse expansion results in the fibres rotating to greater pennation angle, with a consequent reduction in their contractile velocity in a process known as gearing. Understanding the nature and extent of this transverse expansion is necessary to understand the mechanisms driving the changes in internal geometry of whole muscles during contraction. Current methodologies allow the fascicle lengths, orientations, and curvatures to be quantified, but not the transverse expansion. The purpose of this study was to develop and validate techniques for quantifying transverse strain in skeletal muscle fascicles during contraction from B-mode ultrasound images. Images were acquired from the medial and lateral gastrocnemii during cyclic contractions, enhanced using multiscale vessel enhancement filtering and the spatial frequencies resolved using 2D discrete Fourier transforms. The frequency information was resolved into the fascicle orientations that were validated against manually digitized values. The transverse fascicle strains were calculated from their wavelengths within the images. These methods showed that the transverse strain increases while the longitudinal fascicle length decreases; however, the extent of these strains was smaller than expected.
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Registered trials
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