Designing a stair chair as a multi-dimensional system to address musculoskeletal disorders in emergency medical technicians

Introduction: Paramedics are the first responders in the pre-hospital response chain in Québec (Canada). They play an essential role within the community. However, they are affected by musculoskeletal disorders, and one of the activities posing the greatest risk is moving patients up and down stairs [for full text, please go to the a.m. URL]