By Roger Haslam, David Stubbs
Readable and authoritative, knowing and fighting Falls presents a advisor to the character and volume of the matter of falls. Drawing at the newest learn, the authors define the mix of environmental components that often result in falls and discover the way to hinder them. The case is made for a multifaceted method of falls prevention, taking account of the advanced interaction that exists among members and the surroundings. wide in scope, the ebook is split into elements. the 1st half examines the present nation of information and figuring out of the reasons and prevention of falls, with chapters on human ambulation and stability on point surfaces and on steps and stairs via chapters exploring imaginative and prescient and the consequences of getting older. Rounding out the insurance, the second one half includes a sequence of case reviews illustrating how falls take place in several situations and ranging techniques to their prevention. whereas there were discounts within the quantity and severity of accidents from different explanations over fresh many years, the prevalence of accidents from falling has remained regularly excessive. despite the fact that, many falls are preventable. This precise source offers a concise evaluation of the way to reduce the occurrences of slips, journeys, and falls in a number of occasions and prerequisites.
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Extra info for Understanding and Preventing Falls: An Ergonomics Approach
2000b, Prediction of falls using a robust definition of slip distance and adjusted required coefficient of friction. In Proceedings of the IEA/HFES Congress, Vol. 4, Safety and Health, Aging (San Diego: International Ergonomics Association), pp. 506–509. , 2002, Effects of age related sensory degradation on perception of floor slipperiness and associated slip parameters. Safety Science, 40, 689–703. P. , 1993, A step towards safe walking. Safety Science, 16, 207–220. P. , 1994, The superior slip-resistance of footwear soling compound T66/103.
Strandberg 1985, Grönqvist et al. 1993). , paired comparisons) have been applied to assess fall risk. Human subjects are capable of differentiating the slipperiness of walkway surfaces (Yoshioka et al. 1978, 1979; Swensen et al. 1992; Myung et al. 1993; Chiou et al. 1996) and footwear solings (Strandberg et al. 1985; Tisserand 1985; Nagata 1989; Grönqvist et al. 1993) in dry, wet, or contaminated conditions. Leamon and Son (1989) and Myung et al. (1992) suggested that measuring micro-slip length or slip distance during slipping incidents might be a better means of estimating slipperiness than many of the apparatus-based friction measurement techniques.
2001a). The displacement of contaminants in the shoe-floor Understanding and preventing falls 28 interface affects how effectively friction can be built up during the approach of the surfaces. The time of the approach can be quantified by the rate of sinkage (Moore 1972). 5 gives an example of sinkage rates for a rough and a smooth surface. 4). Smooth surfaces are in general more hazardous than rougher surfaces, but the type of contaminant (liquid vs. solid) and its viscosity (water vs. oil) greatly affects the slipperiness of the shoe-floor interface.