Effects of body postures on the shear modulus of thoracolumbar fascia: a shear wave elastography study

Chen, Baizhen; Liu, Chunlong; Lin, Ming V.; Deng, Weixin; Zhang, Zhijie

doi:10.1007/s11517-021-02320-2

Cited by 12 publications

(15 citation statements)

References 30 publications

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“…The present TLF SWE modulus values at rest were much lower than those reported in a series of studies by Chen et al (2020Chen et al ( , 2021Chen et al ( , 2022) (~40 kPa). This is because we did not multiply the shear-wave velocity by a factor of 3, while Chen et al (2020Chen et al ( , 2021Chen et al ( , 2022 used the values obtained by the device. Further, Chen et al (2020Chen et al ( , 2021Chen et al ( , 2022 quantified stiffness by placing the probe axially relative to the long axis of the body, whereas we acquired images in the longitudinal orientation with the probe along the long axis of the body.…”

Section: Discussioncontrasting

confidence: 91%

“…Very few studies report SWE modulus values of the TLF in healthy individuals (Chen et al, 2020(Chen et al, , 2021(Chen et al, , 2022. The present TLF SWE modulus values at rest were much lower than those reported in a series of studies by Chen et al (2020Chen et al ( , 2021Chen et al ( , 2022) (~40 kPa). This is because we did not multiply the shear-wave velocity by a factor of 3, while Chen et al (2020Chen et al ( , 2021Chen et al ( , 2022 used the values obtained by the device.…”

Section: Discussioncontrasting

confidence: 81%

“…This is because we did not multiply the shear-wave velocity by a factor of 3, while Chen et al (2020Chen et al ( , 2021Chen et al ( , 2022 used the values obtained by the device. Further, Chen et al (2020Chen et al ( , 2021Chen et al ( , 2022 quantified stiffness by placing the probe axially relative to the long axis of the body, whereas we acquired images in the longitudinal orientation with the probe along the long axis of the body. It is known that elastography measures largely depend on the orientation of the probe relative to the fibers of the underlying tissue (Gennisson et al, 2010).…”

Section: Discussionmentioning

confidence: 99%

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Is thoracolumbar fascia shear‐wave modulus affected by active and passive knee flexion?

Kellis,

Kekelekis,

Drakonaki

2023

Journal of Anatomy

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The purpose of this study was to examine the effect of passive and active knee flexion efforts on the stiffness of the thoracolumbar (TLF), semitendinosus (STF), and semimembranosus fascia (SMF). Fourteen young healthy males participated in this study. Using ultrasound shear‐wave elastography, fascia elastic modulus was measured at rest (passive condition) and during submaximal isometric knee flexion efforts (active condition) with the hip at neutral position and the knee flexed at 0°, 45°, and 90°. Analysis of variance designs indicated that when the knee was passively extended from 90° to 0°, shear modulus of the TLF, SMF, and STF increased significantly (p < 0.05). Similarly, active knee flexion contractions caused a significant increase in TLF, SMF, and STF shear modulus (p < 0.001). Compared to hamstring fascia, the TLF showed greater thickness but a lower shear modulus (p < 0.05) while STF modulus was greater compared that to SMF during active contraction (p < 0.05). These results indicate that exercising the hamstring muscles can remotely influence the stiffness of the fascia which surrounds the lumbar area.

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Section: Discussioncontrasting

confidence: 91%

Section: Discussioncontrasting

confidence: 81%

Section: Discussionmentioning

confidence: 99%

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Is thoracolumbar fascia shear‐wave modulus affected by active and passive knee flexion?

Kellis,

Kekelekis,

Drakonaki

2023

Journal of Anatomy

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“…SWE quantifies tissue stiffness and draws a colored image of tissue stiffness using shear wave generated by acoustic radiation force pulse and ultra-high speed imaging technology (Creze et al, 2018;Gennisson et al, 2013). Our previous research shows that SWE is a reliable tool for quantifying TLF, MG, and LG stiffness and monitoring its dynamic changes (Chen et al, 2021;Liu et al, 2020). Therefore, we used SWE to quantify the stiffness of TLF, ES, and gastrocnemius during isometric plantarflexion in this experiment.…”

Section: Introductionmentioning

confidence: 99%

Effects of Isometric Plantar-Flexion on the Lower Limb Muscle and Lumbar Tissue Stiffness

Chen

Cui

et al. 2022

Front. Bioeng. Biotechnol.

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Purpose: This study investigated the effects of isometric plantar-flexion against different resistances on the thoracolumbar fascia (TLF), erector spinae (ES), and gastrocnemius stiffness by shear wave elastography (SWE). The purpose was to explore the interaction between the lower limb muscle and lumbar tissue in the myofascial tensegrity network.Methods: Twenty healthy young female were recruited in this study. The stiffness of the TLF, ES, medial gastrocnemius (MG), and lateral gastrocnemius (LG) was measured by SWE under four isometric plantar-flexion resistance conditions. The resistance conditions involved 0% maximum voluntary isometric contraction (MVIC), 20% MVIC, 40% MVIC, and 60% MVIC.Results: There was a strong correlation between the stiffness change of MG and that of TLF (r = 0.768–0.943, p < 0.001) and ES (r = 0.743–0.930, p < 0.001), while it was moderate to strong correlation between MG and that of LG (r = 0.588–0.800, p < 0.001). There was no significant difference in the stiffness between the nondominant and dominant sides of TLF and ES under the resting position (p > 0.05). The increase in stiffness of the TLF, ES, MG, and LG, with MVIC percentage (p < 0.05), and the stiffness of TLF and ES on the nondominant side is much higher than that on the dominant side.Conclusions: Our data shows that isometric plantar-flexion has a significant effect on the stiffness of the lumbar soft tissue and gastrocnemius. The gastrocnemius has a strong correlation with the stiffness changes of TLF and ES, which provides preliminary evidence for exploring the myofascial tensegrity network between the dorsal side of the lower limb muscle and lumbar tissue.

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“…Similarly, the thoracolumbar fascia is believed to be an important stabilizer of the spine [7,8]. By surrounding the erector spinae, it is hypothesized to provide an additional hydrostatic stabilizing effect [9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Biomechanical considerations of the posterior surgical approach to the lumbar spine

Haupt¹,

Cornaz²,

Falkowski³

et al. 2022

The Spine Journal

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Effects of body postures on the shear modulus of thoracolumbar fascia: a shear wave elastography study

Cited by 12 publications

References 30 publications

Is thoracolumbar fascia shear‐wave modulus affected by active and passive knee flexion?

Is thoracolumbar fascia shear‐wave modulus affected by active and passive knee flexion?

Effects of Isometric Plantar-Flexion on the Lower Limb Muscle and Lumbar Tissue Stiffness

Biomechanical considerations of the posterior surgical approach to the lumbar spine

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