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Traversing step obstacles with manual wheelchairs.
1Department of Traffic Planning and Engineering, Lund Institute of Technology, Lund University, Box 118, S-221 00 Lund, Sweden.
Applied Ergonomics
|October 1, 1996
Summary
Public transport step heights were studied for manual wheelchair users assisted by an attendant. A 50 mm step is acceptable, and 100 mm is acceptable with sufficient maneuvering space for accessible public transport.
Area of Science:
- Transportation Engineering
- Human Factors Engineering
- Accessibility Studies
Background:
- Public transport systems often present step obstacles, posing challenges for manual wheelchair users.
- Assisted maneuvering of manual wheelchairs over steps is crucial for public transport accessibility.
Purpose of the Study:
- To determine acceptable step obstacle heights for manual wheelchairs navigated by an attendant in public transport settings.
- To provide data for planning accessible public transportation systems.
Main Methods:
- Trials involving manual wheelchairs with adjustable step obstacles, using dummies and human occupants.
- Data collection included perceived effort ratings, comfort/safety assessments, video analysis, time measurements, and mechanical force calculations.
- Participants were 20 healthy individuals with limited wheelchair maneuvering experience, simulating transport staff.
Main Results:
- A step height of 50 mm was found to be acceptable for assisted manual wheelchair traversal.
- A step height of 100 mm may be acceptable if adequate maneuvering space is available.
- Higher step heights should be avoided to ensure safety and accessibility.
Conclusions:
- Findings inform the design of public transport infrastructure to better accommodate manual wheelchair users receiving assistance.
- Recommendations focus on limiting step heights to enhance the usability and inclusivity of public transport.