Biomechanical behavior of human crural fascia in anterior and posterior regions of the lower limb

Pavan, Piero G.; Pachera, Paola; Stecco, Carla; Natali, Arturo N.

doi:10.1007/s11517-015-1308-5

Cited by 17 publications

(17 citation statements)

References 27 publications

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“…Presented results are obtained from animal tissue (Eng et al, 2014;Ruiz-Alejos et al, 2016) or human tissue (Stecco et al, 2014;Otsuka et al, 2018). They were obtained from unidirectional (Pavan et al, 2015;Ruiz-Alejos et al, 2016;Otsuka et al, 2018) or biaxial (Eng et al, 2014;Pancheri et al, 2014) tensile tests performed until rupture or at high strain levels (Stecco et al, 2014;Ruiz-Alejos et al, 2016). Pure shear loading (Ruiz-Alejos et al, 2016) was also studied and used to identify a constitutive law.…”

Section: Introductionmentioning

confidence: 99%

Strain Assessment of Deep Fascia of the Thigh During Leg Movement: An in situ Study

Sednieva

Viste

Naaïm

et al. 2020

Front. Bioeng. Biotechnol.

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Fascia is a fibrous connective tissue present all over the body. At the lower limb level, the deep fascia that is overlying muscles of the outer thigh and sheathing them (fascia lata) is involved in various pathologies. However, the understanding and quantification of the mechanisms involved in these sheathing effects are still unclear. The aim of this study is to observe and quantify the strain field of the fascia lata, including the iliotibial tract (ITT), during a passive movement of the knee. Three fresh postmortem human subjects were studied. To measure hip and knee angles during knee flexion-extension, passive movements from 0 • to around 120 • were recorded with a motion analysis system and strain fields of the fascia were acquired using digital image correlation. Strains were computed for three areas of the fascia lata: anterior fascia, lateral fascia, and ITT. Mean principal strains showed different strain mechanisms depending on location on the fascia and knee angle. For anterior and lateral fascia, a tension mechanism was mainly observed with major strain greater than minor strain in absolute value. While for the ITT, two strain mechanisms were observed depending on knee movement: tension is observed when the knee is extended relatively to reference position of 47 • , however, pure shear can be observed when the knee is flexed. In some cases, minor strain can also be higher than major strain in absolute value, suggesting high tissue compression probably due to microstructural fiber rearrangements. This in situ study is the first attempt to quantify the superficial strain field of fascia lata during passive leg movement. The study presents some limitations but provides a step in understanding strain mechanism of the fascia lata during passive knee movement.

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Section: Introductionmentioning

confidence: 99%

Strain Assessment of Deep Fascia of the Thigh During Leg Movement: An in situ Study

Sednieva

Viste

Naaïm

et al. 2020

Front. Bioeng. Biotechnol.

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“…The plot is based on Morales-Orcajo E. et al [45], Soderberg, G.L. [46], and Pavan PG et al [38] publications.…”

Section: Discussionmentioning

confidence: 99%

“…In the literature stress-strain curves of many soft tissues have been reported. The tendon and the muscle are the most studied tissues, whilst for the aponeurotic fasciae there is only limited data for the plantar fascia [36] and for the crural fascia [37,38]. The stress-strain curve of the fascia is non-linear, due to the uncrimping of collagen fibers and elasticity generate by elastin fibers, with the initial portion of stress-strain curve showing a high deformation/low force characteristic.…”

Section: Stress/strain Curvementioning

confidence: 99%

Fascial or Muscle Stretching? A Narrative Review

et al. 2020

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Stretching exercises are integral part of the rehabilitation and sport. Despite this, the mechanism behind its proposed effect remains ambiguous. It is assumed that flexibility increases, e.g., action on muscle and tendon, respectively, but this is not always present in the stretching protocol of the exercises used. Recently, the fasciae have increased popularity and seems that they can have a role to define the flexibility and the perception of the limitation of the maximal range of motion (ROM). Deep fascia is also considered a key element to transmit load in parallel bypassing the joints, transmitting around 30% of the force generated during a muscular contraction. So, it seems impossible dividing the action of the muscles from the fasciae, but they have to be considered as a “myofascial unit”. The purpose of this manuscript is to evaluate the mechanical behavior of muscles, tendons, and fasciae to better understand how they can interact during passive stretching. Stress-strain values of muscle, tendon and fascia demonstrate that during passive stretching, the fascia is the first tissue that limit the elongation, suggesting that fascial tissue is probably the major target of static stretching. A better understanding of myofascial force transmission, and the study of the biomechanical behavior of fasciae, with also the thixotropic effect, can help to design a correct plan of stretching.

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“…Properties of muscles and tendons are also commonly included in such models by researchers [19,20,22]. There are few other instances [38,39] wherein numerical models are used to assess muscle behaviours for their intended purpose.…”

Section: Accepted Manuscript > Replace This Line Withmentioning

confidence: 99%

Musculoskeletal modelling of human ankle complex: Estimation of ankle joint moments

Jamwal

Hussain

Tsoi³

et al. 2017

Clinical Biomechanics

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Word Count Abstract: 227 Word Count Main Text: 4328 Abstract-Background: A musculoskeletal model for the ankle complex is vital in order to enhance the understanding of neuro-mechanical control of ankle motions, diagnose ankle disorders and assess subsequent treatments. Motions at the human ankle and foot, however, are complex due to simultaneous movements at the two joints namely, the ankle joint and the subtalar joint. The musculoskeletal elements at the ankle complex, such as ligaments, muscles and tendons, have intricate arrangements and exhibit transient and nonlinear behaviour.Methods: This paper develops a musculoskeletal model of the ankle complex considering the biaxial ankle structure. The model provides estimates of overall mechanical characteristics (motion and moments) of ankle complex through consideration of forces applied along ligaments and muscle-tendon units. The dynamics of the ankle complex and its surrounding ligaments and muscle-tendon units is modelled and formulated into a state space model to facilitate simulations. A graphical user interface is also developed during this research in order to include the visual anatomical information by converting it to quantitative information on coordinates.Findings: Validation of the ankle model was carried out by comparing its outputs with those published in literature as well as with experimental data obtained from an existing parallel ankle rehabilitation robot.Interpretation: Qualitative agreement was observed between the model and measured data for both, the passive and active ankle motions during trials in terms of displacements and moments.

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Biomechanical behavior of human crural fascia in anterior and posterior regions of the lower limb

Cited by 17 publications

References 27 publications

Strain Assessment of Deep Fascia of the Thigh During Leg Movement: An in situ Study

Strain Assessment of Deep Fascia of the Thigh During Leg Movement: An in situ Study

Fascial or Muscle Stretching? A Narrative Review

Musculoskeletal modelling of human ankle complex: Estimation of ankle joint moments

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