Search results for "spine"

Keskivartalon lihasten harjoittaminen SpineGym -laitteella : vaikutukset lihasvoimaan ja EMG -aktiivisuuteen

2016

Keskivartalon lihaksilla on tärkeä merkitys jokapäiväisessä elämässä kehon tukijana ja tasapainon säilyttäjänä. Keskivartalon lihasten harjoittamisen tärkeys korostuu selkävaivaisilla ja tasapainohäiriöistä kärsivillä henkilöillä, joilla lihasten heikkous on jo aiheuttanut ongelmia. Heillä lihasten harjoittaminen voi olla heikkoudesta aiheutuneiden rajoitteiden vuoksi vaikeampaa. SpineGym –laitteella lihaksia voidaan harjoittaa pystyasennossa eli seisten, niiden luonnollisessa käyttöasennossa, ja pienillä liikeradoilla, jolloin harjoittelu on helpompaa myös erilaisista selkävaivoista kärsiville. Tutkimuksessa selvitettiin, miten kahden viikon SpineGym –harjoittelu vaikuttaa keskivartalon li…

Up-conversion and Photoluminescence in Er3+ Single Crystal MgAl-spinel

2015

Abstract Traditional and up-conversion luminescence of MgAl 2 O 4 single crystal doped with erbium ions obtained by the Verneuil method has been investigated. The time resolved spectral measurements of the green and red up-conversion luminescence bands show that a build-up part is present in the up-conversion luminescence kinetics. This means that energy transfer process is involved in the creation of the luminescence. Considering rather small concentration of Er 3+ in the material (0.12 mass %), the expected up-conversion mechanism should be excited state absorption since the average distance between erbium ions is high. The above-mentioned considerations suggest that clustering of the act…

Sabanejewia Aurata (De Filippi, 1863) Populations Management Decisions Support System for Rosci0132 (Olt River Basin)

2015

Abstract The ADONIS: CE was used to design a specific management model for the Sabanejewia aurata (De Filippi, 1863) populations. The proposed model is based on this species, in situ identified biological/ecological necessities in relation to the habitats, the conservation status indicators and appropriate management actions and the pressures and threats founded in the study area. Such on species, on habitats and on site based management system was done to complete this approach for ROSCI0132, the other fish species which are living there being treated already in this respect.

Using calculated chemical potential relationships to account for coronas around kyanite: an example from the Bohemian Massif

2010

Corona textures around kyanite, involving for example zoned plagioclase separating kyanite from the matrix, reflect the instability of kyanite with the matrix on changing P-T conditions, commonly related to decompression. The chemical potential gradients set up between the kyanite and the matrix as a consequence of slow Al diffusion drive corona development, with the zoning of the plagioclase reflecting the gradients. Calculated mineral equilibria are used to account for corona textures involving plagioclase ± garnet around kyanite, and replacement of kyanite by plagioclase + spinel symplectite, in quartz + plagioclase + K-feldspar + garnet + kyanite granulite facies gneiss from the Blanský…

Development of Phosphatized Calcium Carbonate Biominerals as Bioactive Bone Graft Substitute Materials, Part I: Incorporation of Magnesium and Stront…

2018

Synthetic materials based on calcium phosphate (CaP) are frequently used as bone graft substitutes when natural bone grafts are not available or not suitable. Chemical similarity to bone guarantees the biocompatibility of synthetic CaP materials, whereas macroporosity enables their integration into the natural bone tissue. To restore optimum mechanical performance after the grafting procedure, gradual resorption of CaP implants and simultaneous replacement by natural bone is desirable. Mg and Sr ions released from implants support osteointegration by stimulating bone formation. Furthermore, Sr ions counteract osteoporotic bone loss and reduce the probability of related fractures. The presen…

Folate targeted coated SPIONs as efficient tool for MRI

2017

The development of more sensitive diagnostic tools allowing an early-stage and highly efficient medical imaging of tumors remains a challenge. Magnetic nanoparticles seem to be the contrast agents with the highest potential, if properly constructed. Therefore, in this study, hybrid magnetic nanoarchitectures were developed using a new amphiphilic inulin-based graft copolymer (INU-LAPEG-FA) as coating material for 10-nm spinel iron oxide (magnetite, Fe3O4) superparamagnetic nanoparticles (SPION). Folic acid (FA) covalently linked to the coating copolymer in order to be exposed onto the nanoparticle surface was chosen as the targeting agent because folate receptors are upregulated in many can…

Age 7–8 Years

1993

Outcome of after-hours surgery: Setting, skill and timing may explain the outcome

2019

Diagnostic potential of the diffusion tensor tractography with fractional anisotropy in the diagnosis and treatment of cervical spondylotic and postt…

2016

Background: Diffusion tensor imaging (DTI) is a magnetic resonance imaging (MRI)-based methodology widely used for the evaluation of microstructural integrity of the central nervous system (CNS), particularly of brain white matter fibers and bundles. Methods: The most common parameters evaluated in a DTI study are the fractional anisotropy (FA) and mean diffusivity (MD). Combining FA and MD analyses is commonly used in the evaluation of various types of brain pathologies, such as brain tumors, where a combined analysis allows an accurate tumor characterization. Results: Recent studies have shown that FA and MD could be of value in non-oncologic spinal pathology. In this regard, it has been …

Conservative Management for Odontoid Cervical Fractures: Halo or Rigid Cervical Collar?

2016

Odontoid fractures are the most common fractures of the cervical spine, especially in the elderly. They account for approximately one third of cervical spine fractures, and with the aging of the world population, the incidence and clinical and social relevance of such pathology are likely to increase. Odontoid fractures may occur from high-energy mechanisms, particularly in younger patients, but low-energy trauma may be the causative factor in the geriatric population. Overall, the treatment of patients with odontoid process fractures is based on the type of the fracture, patient's health status, age, association with neurologic deficits, and personal preference of the surgeon. Relative ind…