A study published in the July issue of the American Orthopaedic Foot and Ankle Society’s journal, Foot and Ankle International, found no significant difference in the incidence of stress fractures, ankle sprains or other foot problems between the users of expensive custom made foot orthoses and those who used prefabricated orthotic devices.
Foot orthoses are devices worn within shoes that allow the foot to function better. They are usually prescribed to treat specific existing foot conditions, or are used in an attempt to prevent the development of a musculoskeletal problem. Foot orthoses may be fabricated from soft or semi-rigid materials, or a combination of both.
In the study, researchers dispensed foot orthoses among four groups of Israeli infantry recruits to determine how shoe orthoses fabrication affects user comfort and the incidence of overuse injuries in a normal physically active healthy young male population. Recruits were blinded in the study as to whether they trained in custom orthoses or prefabricated orthoses. Both were made of identical materials. Group 1 consisted of 227 recruits given soft custom orthoses. Group 2 consisted of 224 recruits given soft prefabricated orthoses. Group 3 consisted of 215 recruits given semi rigid biomechanical orthoses. Group 4 consisted of 208 recruits given prefabricated semi rigid orthoses, (the study of group 3 and 4 was done at a separate Army base).
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Researchers from the University of Hamburg in Germany, in collaboration with colleagues from the University of Aarhus in Denmark, have synthesized a new superconducting material by growing a few layers of an antiferromagnetic transition-metal chalcogenide on a bismuth-based topological insulator, both being non-superconducting materials.
While superconductivity and magnetism are generally believed to be mutually exclusive, surprisingly, in this new material, superconducting correlations...
Laser-driving of semimetals allows creating novel quasiparticle states within condensed matter systems and switching between different states on ultrafast time scales
Studying properties of fundamental particles in condensed matter systems is a promising approach to quantum field theory. Quasiparticles offer the opportunity...
Among the general public, solar thermal energy is currently associated with dark blue, rectangular collectors on building roofs. Technologies are needed for aesthetically high quality architecture which offer the architect more room for manoeuvre when it comes to low- and plus-energy buildings. With the “ArKol” project, researchers at Fraunhofer ISE together with partners are currently developing two façade collectors for solar thermal energy generation, which permit a high degree of design flexibility: a strip collector for opaque façade sections and a solar thermal blind for transparent sections. The current state of the two developments will be presented at the BAU 2017 trade fair.
As part of the “ArKol – development of architecturally highly integrated façade collectors with heat pipes” project, Fraunhofer ISE together with its partners...
At TU Wien, an alternative for resource intensive formwork for the construction of concrete domes was developed. It is now used in a test dome for the Austrian Federal Railways Infrastructure (ÖBB Infrastruktur).
Concrete shells are efficient structures, but not very resource efficient. The formwork for the construction of concrete domes alone requires a high amount of...
Many pathogens use certain sugar compounds from their host to help conceal themselves against the immune system. Scientists at the University of Bonn have now, in cooperation with researchers at the University of York in the United Kingdom, analyzed the dynamics of a bacterial molecule that is involved in this process. They demonstrate that the protein grabs onto the sugar molecule with a Pac Man-like chewing motion and holds it until it can be used. Their results could help design therapeutics that could make the protein poorer at grabbing and holding and hence compromise the pathogen in the host. The study has now been published in “Biophysical Journal”.
The cells of the mouth, nose and intestinal mucosa produce large quantities of a chemical called sialic acid. Many bacteria possess a special transport system...
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