Car Ergonomics: Reducing Discomfort, Preventing Injuries, and Boosting Safety

26 Oct, 2024 | Dr. Malik | No Comments

Car Ergonomics: Reducing Discomfort, Preventing Injuries, and Boosting Safety

At the Muscle and Joint Clinic, we see many drivers who experience discomfort and strain from spending hours behind the wheel. Poor car ergonomics are often to blame, as they can lead to issues like lower back pain and neck stiffness, particularly in people who drive for work. Research has found a strong link between prolonged driving and musculoskeletal disorders (MSDs) like back pain. This guide explores simple ergonomic practices, supported by recent studies, to prevent injuries, reduce discomfort, and make driving safer.

Why Ergonomics in Vehicles Matter

 

Car ergonomics aren’t just about comfort; they’re essential for health and safety too. Adjusting seats, mirrors, and controls to suit your body can reduce physical strain. Studies show that spending long hours sitting without proper support increases the risk of pain and injuries. Drivers in jobs that require long hours, such as bus and truck drivers, are especially at risk for issues like lower back pain (Hakim & Mohsen, 2017)​. By setting up your car’s ergonomics properly, you can make a big difference in your comfort and health on the road.

Key Ergonomic Adjustments for the Driver’s Seat

Seat Height and Position
Adjust your seat so you have a clear view of the road without straining your knees. Move the seat close enough so you can press down on the pedals with your entire foot. This setup helps prevent foot cramps and allows you to drive comfortably without stretching (Vehicle Ergonomics Resource, 2024)​. Studies show that driving for long hours with a poor setup can lead to increased back pain, especially in those driving over eight hours daily (Hakim & Mohsen, 2017)​.

  • Seat Depth and Backrest Angle
    Keep about two fingers’ width of space between the seat and the back of your knees. This helps avoid pressure on your legs, which can cause pain over time. Your backrest should be tilted about 30 degrees to support your spine’s natural curve. This setup prevents slouching, which is a common cause of back pain (Pickard et al., 2022)​.

  • Lumbar Support and Reducing Vibrations
    Adjust the lumbar support so it fits snugly along the curve of your lower back. This support is especially helpful in preventing back strain from road vibrations, which studies show can increase back pain in people who drive on rough roads regularly (Pope et al., 2002)​.

  • Steering Wheel Position
    Keep the steering wheel about 10–12 inches from your chest, with your arms slightly bent. This position allows you to control the wheel without reaching or straining your shoulders. Many studies recommend this setup because it reduces shoulder and upper back tension, which can build up during long drives (White, 2022)​.

  • Head Restraint and Neck Support
    Adjust the headrest so it aligns with the top of your head, giving your neck proper support. This is crucial for reducing the risk of whiplash in an accident. Many drivers overlook this feature, but keeping it at the correct height can make a big difference in neck comfort (Hakim & Mohsen, 2017)​.

Source: https://living.geico.com/driving/auto/car-safety-insurance/posture/
Click To Enlarge

Passenger Ergonomics and Accessibility

 

Passengers, especially those with mobility issues, also benefit from good ergonomics. For instance, car manufacturers use virtual reality (VR) to design seats and controls that are easy to reach and use, even for people with limited mobility. Features like low-step entries and easy-grip door handles make it easier for older adults and others to get in and out of the car comfortably (Vehicle Ergonomics Resource, 2024)

Placing Vehicle Controls Within Easy Reach

 

Modern cars have features that make it easier for drivers to control the vehicle without reaching too far. Push-button ignitions, Bluetooth systems, and illuminated controls are all designed to keep drivers’ attention on the road. These setups, especially with larger, clearer text on controls, are helpful for older drivers who may struggle with visibility (White, 2022)​. 

Making Cargo Areas Safer and More Accessible

 

Ergonomics applies to the cargo area too. Many vehicles now come with features like foldable rear seats, rubberized floors, and automatic trunk closures, which make loading and unloading easier and safer. These designs help reduce strain for those who frequently lift heavy items, as they promote safe lifting postures and reduce back stress (Hakim & Mohsen, 2017)​.

The Importance of Taking Breaks and Moving Around

 

Even the best ergonomic setup can’t eliminate all the risks of long drives. Research shows that taking short breaks every 1–2 hours can make a big difference in preventing muscle stiffness. Frequent breaks allow drivers to stretch and change positions, which is especially helpful for preventing MSDs in long-haul drivers (Hakim & Mohsen, 2017; Pope et al., 2002)​. 

Looking Forward: The Future of Car Ergonomics

 

Advanced technology like VR and motion tracking is helping researchers study the specific postures that lead to discomfort in drivers. These tools allow for more personalized ergonomic solutions, which could help drivers maintain good posture throughout their journey. Studies continue to examine how certain sitting positions relate to pain, with the goal of refining ergonomic recommendations for professional drivers (Tinitali et al., 2019)​. 

 

By following these ergonomic guidelines, drivers and passengers can reduce discomfort, improve posture, and enjoy a safer, more comfortable driving experience.

 

References:

Hakim, S., & Mohsen, A. (2017). Work-related and ergonomic risk factors associated with low back pain among bus drivers. Journal of Egypt Public Health Association, 92(3), 195-201.

Pickard, O., Burton, P., Yamada, H., Schram, B., Canetti, E. F. D., & Orr, R. (2022). Musculoskeletal disorders associated with occupational driving: A systematic review spanning 2006-2021. International Journal of Environmental Research and Public Health, 19(11), 6837.

Pope, M. H., Goh, K. L., & Magnusson, M. L. (2002). Spine ergonomics. Annual Review of Biomedical Engineering, 4, 49-68.

Tinitali, S., Bowles, K., & Haines, T. (2019). Sitting posture during occupational driving causes low back pain; Evidence-based position or dogma?. Human Factors: The Journal of the Human Factors and Ergonomics Society, 63(1).

Vehicle Ergonomics Resource. (2024). Ergonomics in the vehicle.

White, L. (2022, September 5). How car ergonomics work. RoadWarrior Blog.

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