نتایج جستجو برای: elastic spring back
تعداد نتایج: 275646 فیلتر نتایج به سال:
Aims and background: The aim of this study was to investigate the effects of rehabilitation period with elastic training on frequency spectrum of foot forces in females with low back pain during walking. Materials and methods: The sample of this study included 20 girls with low back pain.The experimental group did elastic gait training for 6 weeks. Peak plantar forces during both pre and post...
A 3D distinct lattice spring model (DLSM) is proposed where matter is discretized into individual particles linked by springs. The presented model is different from the conventional lattice spring models where a shear spring is introduced to model the multibody force by evaluating the spring deformation from the local strain rather than the particle displacement. By doing this, the proposed mod...
Aims and background: The aim of this study was to investigate the effects of elastic gait training on the peak plantar pressure variables and peak forces of 10 regions of the foot, peak of vertical force, time to peak of vertical force and displacement of center of pressure in patients with low back pain during running. Materials and methods: The sample of this study included 29 men with low b...
the present paper investigates the potential application of graphene sheets with attached nanoparticles as resonant sensors by introducing a nonlocal shear deformation plate model. to take into account an elastic connection between the nanoplate and the attached nanoparticle, the nanoparticle is considered as a mass-spring system. then, a combination of pseudo-spectral and integral quadrature m...
Muscle force production occurs within an environment of tissues that exhibit spring-like behavior, and this elasticity is a critical determinant of muscle performance during locomotion. Muscle force and power output both depend on the speed of contraction, as described by the isotonic force-velocity curve. By influencing the speed of contractile elements, elastic structures can have a profound ...
In this paper, a force-controllable compact actuator module for a wearable hand exoskeleton system is proposed. To interact with virtual objects naturally with a hand exoskeleton, a small actuator module, which can generate the desired force accurately, is highly required. In the proposed actuator module, a series elastic actuator (SEA) mechanism was applied for the force mode control. Based on...
In this paper a procedure for simulating deformable elastic body rigid body interaction is presented. The interaction is described by multiple impacts during the dynamical process. An elastic body modeled as a 3D particles system is proposed, in response to the dynamic impacting force. The contact between particles is modeled with elastic springs. The expression for the spring elastic constants...
Linear focal elastosis is an uncommon disorder typically occurring in the back region, which clinically presents as band-like striae, having a histological focal increase in abnormal elastic fibers. Until now, linear focal elastosis occurring in patients with a family history have been rarely reported. Here, we present one such case, of linear focal elastosis which occurred in a brother and sis...
The present paper investigates the potential application of graphene sheets with attached nanoparticles as resonant sensors by introducing a nonlocal shear deformation plate model. To take into account an elastic connection between the nanoplate and the attached nanoparticle, the nanoparticle is considered as a mass-spring system. Then, a combination of pseudo-spectral and integral quadrature m...
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