WBV occurs when the shaking motion of a vehicle is transferred to the operator through the feet, seat, or backrest.
Health Effects
- Speech interference.
- Muscle fatigue and cramping.
- Increased heart rate and blood pressure.
- Increased breathing rate.
- Disruption of balance and perception.
- Low back pain and damage to the spine.
Average Operation Time Before Reaching Recommended Daily WBV Exposure Limits
- ATVs: Three and a half hours. [Sketch of ATV.]
- Utility Equipment: Five hours. [Sketch of skid loader.]
- Tractors: Six hours. [Sketch of tractor.]
- Road Vehicles: Eight and a half hours. [Sketch of large truck, similar to a U P S delivery truck.]
- Combines: Eleven and a half hours. [Sketch of combine.]
Each vehicle used during the day contributes to overall WBV exposure.
Recommendations based on exposure limits from the European Union.
Prevention Strategies
Maintain Equipment
- Keep tires properly inflated.
- Maintain vehicle suspension system according to the manufacturer’s specifications.
Adjust the Seat
- Adjust the seat suspension properly so the seat doesn’t bottom out during use.
- Adjust the position of the seat to improve posture.
- Use a backrest with lumbar support.
Be Aware of Terrain
- Slow down when traveling across rough terrain.
- Maintain soft-surface roads/tracks.
- Alter your routes to avoid rough terrain if possible.
Take Care of Your Back
- Avoid long hours of continuous operation.
- Avoid twisting your back while operating vehicle.
- Minimize forward-leaning posture when driving.
Stop and Take Breaks
- Take breaks periodically.
- Avoid lifting materials immediately after long periods of driving.
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