ADA Guidelines For Wheelchair Ramp Slopes When it comes time to build ramps for wheelchairs, a lot is at stake. Ramps need to be secure, in compliance with ADA standards, and gentle on wheels. Researchers evaluated four ramp slopes (1:12 1:10, 1:10, and 1:6) by having caregivers and manual wheelchair users climb them at a self-selected pace. The blood pressure and pulse rat
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