Shear wave elastography properties of vastus lateralis and vastus medialis obliquus muscles in normal subjects and female patients with patellofemoral pain syndrome

Botanlıoğlu, Hüseyin; Kantarcı, Fatih; Kaynak, Gökhan; Unal, Yelda; Ertan, Sema; Aydıngöz, Önder; Erginer, Rıfat; Ünlü, Mehmet Can; Mihmanlı, İsmail; Babacan, Muharrem

doi:10.1007/s00256-012-1520-4

Cited by 65 publications

(61 citation statements)

References 26 publications

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“…While measurements in muscle at rest give an interesting physiological baseline, stiffness of contracted or stretched muscle are more likely to show differences between healthy and pathologic muscles (Botanlioglu et al, 2013); indeed, most clinical qualitative examinations are based on the response of the muscle to an external mechanical solicitation. Voluntary contraction, however, is difficult to reliably reproduce and maintain during the measurement.…”

Section: Introduction and Literaturementioning

confidence: 99%

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Reliable Protocol for Shear Wave Elastography of Lower Limb Muscles at Rest and During Passive Stretching

Dubois¹,

Kheireddine²,

Vergari³

et al. 2015

Ultrasound in Medicine & Biology

106

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Accepted Manuscript. Ultrasound in Medicine and Biologyy. The original publication is available at www.sciencedirect.com. DOI: doi:10.1016/j.ultrasmedbio.2015.04.020.Development of shear wave elastography gave access to non-invasive muscle stiffness assessment in vivo. The aim of the present study was to define a measurement protocol to quantify the shear modulus of lower limb muscles in order to be used in clinical routine. Four positions were defined to evaluate shear modulus, parallel to the fibers, in the anterior and posterior aspect of the lower limb, at rest and during passive stretching, of 10 healthy subjects. Reliability was first evaluated on 2 muscles by 3 operators, measurements were repeated 6 times. Then, reliability comparison of different muscle was evaluated on 11 muscles by 2 operators, measurements repeated 3 times. Reproducibility of shear modulus was 0.48 kPa and repeatability was 0.41 kPa, with all muscles pooled. The position did not significantly influence the reliability. SWE appeared as an appropriate and reliable tool to evaluate shear modulus of lower limb muscles with the proposed protocol.

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Section: Introduction and Literaturementioning

confidence: 99%

“…Clinically, SWE has been used in a recent study to evaluate subject muscles with patellofemoral pain syndrome (Botanlioglu et al, 2013). It has been shown that vastus medialis obliquus of pathologic patients appeared less stiff during contraction than healthy patients but no reliability study was performed.…”

Section: Introduction and Literaturementioning

confidence: 99%

Reliable Protocol for Shear Wave Elastography of Lower Limb Muscles at Rest and During Passive Stretching

Dubois¹,

Kheireddine²,

Vergari³

et al. 2015

Ultrasound in Medicine & Biology

106

View full text Add to dashboard Cite

show abstract

“…22,23 A new technique, shear-wave sonoelastography, has recently been commercialized. 10,[24][25][26][27][28][29][30][31][32][33] Shear-wave sonoelastography provides data on tissue stiffness by measuring the propagation speed of shear wave produced by an acoustic radiation force impulse. This technique is expected to lead to a reduction in operator dependency, high reproducibility and quantitative evaluation.…”

Section: Introductionmentioning

confidence: 99%

Shear-wave sonoelastography for assessing masseter muscle hardness in comparison with strain sonoelastography: study with phantoms and healthy volunteers

Ariji¹,

Nakayama²,

Nishiyama³

et al. 2016

Dentomaxillofacial Radiology

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Objectives: Shear-wave sonoelastography is expected to facilitate low operator dependency, high reproducibility and quantitative evaluation, whereas there are few reports on available normative values of in vivo tissue in head and neck fields. The purpose of this study was to examine the reliabilities on measuring hardness using shear-wave sonoelastography and to clarify normal values of masseter muscle hardness in healthy volunteers. Methods: Phantoms with known hardness ranging from 20 to 140 kPa were scanned with shear-wave sonoelastography, and inter-and intraoperator reliabilities were examined compared with strain sonoelastography. The relationships between the actual and measured hardness were analyzed. The masseter muscle hardness in 30 healthy volunteers was measured using shear-wave sonoelastography. Results: The inter-and intraoperator intraclass correlation coefficients were almost perfect. Strong correlations were seen between the actual and measured hardness. The mean hardness of the masseter muscles in healthy volunteers was 42.82 ± 5.56 kPa at rest and 53.36 ± 8.46 kPa during jaw clenching. Conclusions: The hardness measured with shear-wave sonoelastography showed high-level reliability. Shear-wave sonoelastography may be suitable for evaluation of the masseter muscles.

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“…Indeed, vastus medialis weakness and atrophy (Botanlioglu et al, 2013; Pattyn et al, 2011) and patellar maltracking (Pal et al, 2013; Pal et al, 2011) have been observed in patients exhibiting patellofemoral pain. Additionally, in vitro studies suggest that VM weakness can laterally shift the patella (Lorenz et al, 2012b; Sakai et al, 2000).…”

Section: Discussionmentioning

confidence: 99%

Influence of step rate and quadriceps load distribution on patellofemoral cartilage contact pressures during running

Lenhart

Vignos

et al. 2015

Journal of Biomechanics

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Interventions used to treat patellofemoral pain in runners are often designed to alter patellofemoral mechanics. This study used a computational model to investigate the influence of two interventions, step rate manipulation and quadriceps strengthening, on patellofemoral contact pressures during running. Running mechanics were analyzed using a lower extremity musculoskeletal model that included a knee with six degree-of-freedom tibiofemoral and patellofemoral joints. An elastic foundation model was used to compute articular contact pressures. The lower extremity model was scaled to anthropometric dimensions of 22 healthy adults, who ran on an instrumented treadmill at 90%, 100% and 110% of their preferred step rate. Numerical optimization was then used to predict the muscle forces, secondary tibiofemoral kinematics and all patellofemoral kinematics that would generate the measured hip, knee and ankle joint accelerations. Mean and peak patella contact pressures reached 5.0 and 9.7 MPa during the midstance phase of running. Increasing step rate by 10% significantly reduced mean contact pressures by 10.4% and contact area by 7.4%, but had small effects on lateral patella translation and tilt. Enhancing vastus medialis strength did not substantially affect pressure magnitudes or lateral patella translation, but did shift contact pressure medially toward the patellar median ridge. Thus, the model suggests that step rate tends to primarily modulate the magnitude of contact pressure and contact area, while vastus medialis strengthening has the potential to alter mediolateral pressure locations. These results are relevant to consider in the design of interventions used to prevent or treat patellofemoral pain in runners.

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Shear wave elastography properties of vastus lateralis and vastus medialis obliquus muscles in normal subjects and female patients with patellofemoral pain syndrome

Abstract: We found a significant VMO weakness, and this method may provide quantitative data that might influence the diagnosis of muscle weakness, in female patients with PFPS.

Cited by 65 publications

References 26 publications

Reliable Protocol for Shear Wave Elastography of Lower Limb Muscles at Rest and During Passive Stretching

Reliable Protocol for Shear Wave Elastography of Lower Limb Muscles at Rest and During Passive Stretching

Shear-wave sonoelastography for assessing masseter muscle hardness in comparison with strain sonoelastography: study with phantoms and healthy volunteers

Influence of step rate and quadriceps load distribution on patellofemoral cartilage contact pressures during running

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