Transportation workers face ergonomic hazards from prolonged sitting, repetitive movements, awkward postures, and physically demanding tasks. These conditions can contribute to fatigue, muscle strain, back pain, and musculoskeletal injuries. This lesson covers proper driving posture, seat adjustments, safe lifting and material handling techniques, and practical ways to reduce physical stress throughout the workday. Understanding these hazards and following safe ergonomic practices can help employees prevent injuries and improve comfort and safety on the job.