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The primary purpose of this paper was to provide insight into the effect of different training methods on sprinting time in male youth aged 8-18 years. Specific and nonspecific training methods were identified, the participants of the five teen studies categorized into pre, mid- and postpeak height velocity and effect sizes and percent changes calculated(More)
The purpose of this study was to quantify the inter-session reliability of force-velocity-power profiling and estimated maximal strength in youth. Thirty-six males (11-15 years old) performed a ballistic supine leg press test at five randomized loads (80%, 100%, 120%, 140%, and 160% body mass) on three separate occasions. Peak and mean force, power,(More)
This paper discusses the development of a prototype design of an auditory interface for the visually impaired based on the work domain analysis of ecological interface design. Secondary mobility devices have been developed to increase preview distances in addition to a long cane, but these have gained limited acceptance. These devices lack an easily(More)
In presenting this thesis in partial fulfilment of the requirements for a postgraduate degree from the University of Saskatchewan, I agree that the Libraries of this University may make it freely available for inspection. I further agree that permission for copying of this thesis in any manner, in whole or in part, for scholarly purposes may be granted by(More)
Individuals with visual impairments must rely on information from their other senses to provide them with obstacle preview. Although the long cane has become the most common primary device for detecting obstacles on the ground, other systems have gained acceptance by cane users who already have a high degree of travel ability as secondary mobility devices(More)
PURPOSE A prototype device was developed to allow individuals to hear ultrasound reflections off environmental obstacles. Previous studies have shown that this device allows for better distance judgement than audition and allows for effective passage through the centreline of apertures. The purpose of this research was to evaluate audification as a method(More)
Human-computer interfaces for mobility devices to aid visually impaired individuals are deficient in the ease of use of systems. This paper examines the techniques used by blind individuals to spatialize naturally in their environments and seeks to explore the possibility of providing the same information in a manner that may be otherwise more socially(More)
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