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Wilke, Jan ; Debelle, Heloise ; Tenberg, Sarah ; Dilley, Andrew ; Maganaris, Constantinos:
Ankle Motion Is Associated With Soft Tissue Displacement in the Dorsal Thigh : An in vivo Investigation Suggesting Myofascial Force Transmission Across the Knee Joint.
In: Frontiers in Physiology.
Bd. 11
(2020)
.
- 180.
ISSN 1664-042X
DOI: https://doi.org/10.3389/fphys.2020.00180
Abstract
Experiments in cadavers have demonstrated significant mechanical interactions between constituents of myofascial chains. However, evidence for such force transmission effects is scarce under conditions. The purpose of this trial was to examine the impact of ankle motion on soft tissue displacement of the dorsal thigh. Eleven healthy active individuals (26.8 ± 4.3 years, six males), in prone position and with the knee extended, underwent passive calf stretches (ankle dorsal extension) imposed by an isokinetic dynamometer. High-resolution ultrasound was used to simultaneously capture the displacement of the semimembranosus muscle, which was quantified by means of cross-correlation analysis. Inactivity of the leg muscles was controlled using surface electromyography (EMG). One participant had to be excluded due to major EMG activity during the experiment. According to a one-sample test testing the difference to the neutral zero position, ankle dorsal extension induced substantial caudal muscle displacements (5.76 ± 2.67 mm, < 0.0001). Correlation analysis (Spearman), furthermore, revealed a strong association between maximal dorsal extension and semimembranosus motion (rho = 0.76, = 0.02). In conclusion, the present trial provides initial evidence for a mechanical force transmission between serially connected skeletal muscles. This means that local alterations of the mechanical tissue properties may modify flexibility in neighboring (superior or inferior) joints.
Weitere Angaben
| Publikationsform: | Artikel in einer Zeitschrift |
|---|---|
| Begutachteter Beitrag: | Ja |
| Keywords: | fascia; myofascial chains; myofascial force transmission; range of motion; ultrasound |
| Institutionen der Universität: | Fakultäten > Kulturwissenschaftliche Fakultät Fakultäten Fakultäten > Kulturwissenschaftliche Fakultät > Institut für Sportwissenschaft > Lehrstuhl Sportwissenschaft I - Neuromotorik und Bewegung > Lehrstuhl Sportwissenschaft I - Neuromotorik und Bewegung - Univ.-Prof. Dr. Dr. Jan Wilke |
| Titel an der UBT entstanden: | Nein |
| Themengebiete aus DDC: | 600 Technik, Medizin, angewandte Wissenschaften > 610 Medizin und Gesundheit |
| Eingestellt am: | 15 Apr 2024 12:10 |
| Letzte Änderung: | 02 Mai 2024 06:40 |
| URI: | https://eref.uni-bayreuth.de/id/eprint/89227 |