Three-dimensional ultrasound strain imaging of skeletal muscles

K. Gijsbertse, A.M.J. Sprengers, M.M. Nillesen, H.H.G. Hansen, R.G.P. Lopata, N. Verdonschot, C.L. de Korte

Research output: Contribution to journalArticleAcademicpeer-review

21 Citations (Scopus)
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In this study, a multi-dimensional strain estimation method is presented to assess local relative deformation in three orthogonal directions in 3D space of skeletal muscles during voluntary contractions. A rigid translation and compressive deformation of a block phantom, that mimics muscle contraction, is used as experimental validation of the 3D technique and to compare its performance with respect to a 2D based technique. Axial, lateral and (in case of 3D) elevational displacements are estimated using a cross-correlation based displacement estimation algorithm. After transformation of the displacements to a Cartesian coordinate system, strain is derived using a least-squares strain estimator. The performance of both methods is compared by calculating the root-mean-squared error of the estimated displacements with the calculated theoretical displacements of the phantom experiments.

We observe that the 3D technique delivers more accurate displacement estimations compared to the 2D technique, especially in the translation experiment where out-of-plane motion hampers the 2D technique. In vivo application of the 3D technique in the musculus vastus intermedius shows good resemblance between measured strain and the force pattern. Similarity of the strain curves of repetitive measurements indicates the reproducibility of voluntary contractions. These results indicate that 3D ultrasound is a valuable imaging tool to quantify complex tissue motion, especially when there is motion in three directions, which results in out-of-plane errors for 2D techniques.
Original languageEnglish
Pages (from-to)596-611
JournalPhysics in medicine and biology
Early online date29 Dec 2016
Publication statusPublished - 2017


  • 3D ultrasound
  • Skeletal muscle
  • Strain imaging
  • 2023 OA procedure


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