A heightened risk for lateral ankle sprain injuries has been associated with excessive shoe-surface friction. ‘Spraino’ is a novel product specifically designed towards preventing friction-related sprains. In recent 510-athlete randomized controlled trial, allocation to this “low-friction” shoe-patch resulted in 53% reduction of severe injuries. Until now, however, theoretical explanation linki...

Objective(s): The effect of silica nanoparticles (SNPs) in sport shoes outsoles on the  parameters related to anterior cruciate ligament (ACL) Injury has not been investigated. The aim of this study was to investigate the effect of shoes outsole containing a composite of thermoplastic elastomer based on styrene-butadiene and silica nanoparticles (TPEN shoe) on Knee Valgus Angle (KVA) as a risk ...

In 2008, a well preserved and complete shoe was recovered at the base of a Chalcolithic pit in the cave of Areni-1, Armenia. Here, we discuss the chronology of this find, its archaeological context and its relevance to the study of the evolution of footwear. Two leather samples and one grass sample from the shoe were dated at the Oxford Radiocarbon Accelerator Unit (ORAU). A third leather sampl...

BACKGROUND This article describes the design of a parallel-group, participant- and assessor-blinded randomised controlled trial comparing the effectiveness of shoe-stiffening inserts versus sham shoe insert(s) for reducing pain associated with first metatarsophalangeal joint (MTPJ) osteoarthritis (OA). METHODS Ninety participants with first MTPJ OA will be randomised to receive full-length sh...

Israel has known a very high inflation rate and two currency changes in the past five years. Coin size estimation by 97 subjects reveals a general tendency to underestimate sizes. The specific pattern of results suggests that coin size estimation is influenced by the subject’s attitude towards the coin in question, that inflation and actual value of the coin are not the only determinants of tha...

The study deals with photophoresis of a spherical micro-particle suspended in absorbing gaseous media. Photophoretic motion of the particle stems from the asymmetric distribution of absorbed energy within the particle. By evaluating the so-called heat source function at various conditions, the study focuses on the effects of governing parameters on the energy distribution within the particle an...

BACKGROUND Ill-fitting footwear is a common problem in older people. The objective of this study was to determine the accuracy of shoe fitting in older people by comparing the dimensions of allocated shoes to foot dimensions obtained with a three-dimensional (3D) scanner. METHODS The shoe sizes of 56 older people were determined with the Brannock device®, and weightbearing foot scans were obt...

The purpose of this study was to investigate the mechanism of foot strike pattern (FSP) adaptations to a minimalist shoe among the different heel height in running. We found that the strike index (SI) and foot strike angle (FSA) were systematically affected by changes in heel height. We also observed a linear correlation between FSA and SI. However, no changes in initial foot angle (IFA) were f...

The recovery of gold by ore leaching is influenced by the size of the particles and the chemical environment. The effect of particle size on the dissolution of gold is usually studied using mono-size particles as the gold in solution comes from the ore of a unique leached particle size. This paper proposes a method to estimate the gold dissolution as a function of particle size using a bulk ore...