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(TORONTO, Canada – Nov. 24, 2016) – A team of researchers from the iDAPT labs at Toronto Rehabilitation Institute-University Health Network are dedicated to keeping Canadians safer this winter by offering evidence-based ratings on footwear that may reduce the risk of slips and falls on ice. The team has developed the first test of its kind in the world – the Maximum Achievable Angle (MAA) Testing Method – to validate slip resistant footwear on icy surfaces using real people in a simulated winter environment.
With the help of WinterLab, an underground, state-of-the art research facility located at Toronto Rehab, researchers have tested the slip resistance of 98 winter boots, including both safety and casual footwear. The results have been published on
www.ratemytreads.com – with only eight per cent of the 98 different types of footwear meeting the minimum slip resistance standards set out by the MAA test.
For the first time, consumers will have winter slip resistance ratings available when they purchase winter footwear – similar to the ratings available for winter tires. Consumers are encouraged to request winter footwear they would like to see put to the test.
It's estimated that more than 20,000 Ontarians visit the emergency room every year due to injuries related to falling on ice or snow. A recent Toronto Public Health report revealed that over 40 per cent of those aged 35-59 years and 60 per cent of those aged 60-85 years said they would go out less as a way to cope with the winter weather.
"This is another example of how research at Toronto Rehab provides practical help to prevent accidents and disability. I expect that many serious and life-changing injuries will be prevented this winter by people choosing to buy better non-slip footwear," says Dr. Geoff Fernie, Research Director, Toronto Rehabilitation Institute.
"I also expect the impact to grow with future winters as more manufacturers strive to develop products that score well in our system and can be recommended to consumers."
MAA Test: How it works
WinterLab has the ability to recreate typical Canadian winter conditions, for example sub-zero temperatures, snow and ice covered surfaces and winds up to 30 km per hour. WinterLab can be tilted to create slopes, or can be moved suddenly to challenge a participant's balance while safely fastened into a harness.
The MAA test is conducted in four basic steps:
Testing in WinterLab is completed on both bare ice and melting ice to simulate diverse outdoor surfaces Canadians may come across in the winter months. Combined with walking uphill and downhill, four conditions are tested for each pair of footwear. The overall score is based on the minimum performance over the four conditions.
The snowflake scale
Toronto Rehab has created a 'snowflake' scale to rate the slip-resistance of winter footwear.
Ontario's accessibility guidelines specify a curb ramp of at most seven degrees. Footwear that achieves at least the minimum angle of seven degrees is awarded one snowflake.
Two snowflakes are given for 11 degrees and three snowflakes for 15 degrees – although none of the footwear tested to-date has achieved two or three snowflakes. The most surprising finding was that 90 types of winter footwear tested failed to even achieve seven degrees and could not be awarded any snowflakes.
Toronto Rehab researchers have found that two technologies stood out among successful MAA-approved boots – Green Diamond and Arctic Grip. Shoes outfitted with Green Diamond or Arctic Grip soles have special outsole materials designed to provide better traction on wet ice, which may reduce the risk of slips and falls on slippery icy surfaces. These shoes and boots were awarded one snowflake.
Researchers are excited by the possibility of providing ratings for winter shoes and working with manufacturers to develop new footwear that functions well on snow and ice. They have been testing footwear prototypes that have scored two and, even, three snowflakes, and hope to see these available for sale within two years.
About Toronto Rehabilitation Institute
As the world-leading rehabilitation research centre, Toronto Rehabilitation Institute is developing practical solutions to prevent illness and accidents, restore function following a disabling event, and to enable people to continue to live in their own homes and communities as they age. It integrates innovative patient care, ground breaking research and diverse education to build healthier communities and advance the role of rehabilitation in the health system. Toronto Rehab, along with Toronto General and Toronto Western Hospitals, the Princess Margaret Cancer Centre and The Michener Institute of Education at UHN is a member of the University Health Network and is affiliated with the University of Toronto. www.uhn.ca
Media Contact Erica Di Maio Senior Public Affairs Advisor Toronto Rehabilitation Institute-University Health Network Phone: 416 597 3422 ext.3524 Email: email@example.com