A1 Journal article (refereed)
In vivo muscle morphology comparison in post-stroke survivors using ultrasonography and diffusion tensor imaging (2019)

Körting, C., Schlippe, M., Petersson, S., Pennati, G. V., Tarassova, O., Arndt, A., Finni, T., Zhao, K., & Wang, R. (2019). In vivo muscle morphology comparison in post-stroke survivors using ultrasonography and diffusion tensor imaging. Scientific Reports, 9, Article 11836. https://doi.org/10.1038/s41598-019-47968-x

JYU authors or editors

Publication details

All authors or editors: Körting, Clara; Schlippe, Marius; Petersson, Sven; Pennati, Gaia Valentina; Tarassova, Olga; Arndt, Anton; Finni, Taija; Zhao, Kangqiao; Wang, Ruoli

Journal or series: Scientific Reports

eISSN: 2045-2322

Publication year: 2019

Volume: 9

Article number: 11836

Publisher: Nature Publishing Group

Publication country: United Kingdom

Publication language: English

DOI: https://doi.org/10.1038/s41598-019-47968-x

Publication open access: Openly available

Publication channel open access: Open Access channel

Publication is parallel published (JYX): https://jyx.jyu.fi/handle/123456789/65339


Skeletal muscle architecture significantly influences the performance capacity of a muscle. A DTI-based method has been recently considered as a new reference standard to validate measurement of muscle structure in vivo. This study sought to quantify muscle architecture parameters such as fascicle length (FL), pennation angle (PA) and muscle thickness (tm) in post-stroke patients using diffusion tensor imaging (DTI) and to quantitatively compare the differences with 2D ultrasonography (US) and DTI. Muscle fascicles were reconstructed to examine the anatomy of the medial gastrocnemius, posterior soleus and tibialis anterior in seven stroke survivors using US- and DTI-based techniques, respectively. By aligning the US and DTI coordinate system, DTI reconstructed muscle fascicles at the same scanning plane of the US data can be identified. The architecture parameters estimated based on two imaging modalities were further compared. Significant differences were observed for PA and tm between two methods. Although mean FL was not significantly different, there were considerable intra-individual differences in FL and PA. On the individual level, parameters measured by US agreed poorly with those from DTI in both deep and superficial muscles. The significant differences in muscle parameters we observed suggested that the DTI-based method seems to be a better method to quantify muscle architecture parameters which can provide important information for treatment planning and to personalize a computational muscle model.

Keywords: musculoskeletal system; muscles; morphology (biology); in vivo method; diffusion tensor imaging

Free keywords: diffusion tensor imaging; skeletal muscle

Contributing organizations

Ministry reporting: Yes

Reporting Year: 2019

JUFO rating: 1

Last updated on 2021-10-06 at 18:46