I have 48 years of experience in the field of chiropractic medicine with specific knowledge of orthopedics, occupational health and workers’ compensation. I have published on such topics as spinal deformities, chronic pain syndrome, applied ergonomics, pre-placement physical screening examinations, drug testing, alcohol screening, Department of Transportation physical examinations, holistic health, integrated healthcare, chiropractic family practice, occupational health education, workers’ compensation, wellness and safety, and industrial consulting for corporations. I have testified 20 times on topics such as automotive personal injury, workers’ compensation, and professional disability.