The Dose-Response Relationship Between Cumulative Lifting Load and Lumbar Disk Degeneration Based on Magnetic Resonance Imaging Findings

Y-J. Hung, MS, Institute of Occupational Medicine and Industrial Hygiene, National Taiwan University (NTU), College of Public Health, Taipei, Taiwan, and Department of Biological Science and Technology, Chung Hwa University of Medical Technology, Tainan, Taiwan.

T.T-F. Shih, MD, Department of Medical Imaging and Radiology, NTU Hospital and NTU College of Medicine.

B-B. Chen, MD, Department of Medical Imaging and Radiology, NTU Hospital and NTU College of Medicine.

Y-H. Hwang, PhD, Institute of Occupational Medicine and Industrial Hygiene, NTU College of Public Health.

L-P. Ma, BS, Department of Environmental & Occupational Medicine, NTU Hospital and NTU College of Medicine.

W-C. Huang, MS, Department of Environmental & Occupational Medicine, NTU Hospital and NTU College of Medicine.

S-H. Liou, PhD, MD, Department of Public Health, National Defense Medical Center, Taipei, Taiwan, and Division of Environmental Health and Occupational Medicine, National Health Research Institute, Taipei, Taiwan.

I-K. Ho, PhD, Center for Drug Abuse and Addiction, China Medical University Hospital, Taichung, Taiwan; Graduate Institute of Clinical Medical Science, China Medical University, Taichung, Taiwan; and Neuropsychiatric Research Center, National Health Research Institute, Zhunan, Miaoli County, Taiwan.

Y.L. Guo, PhD, MD, Department of Environmental & Occupational Medicine, NTU College of Medicine and NTU Hospital, Taipei, Taiwan, and Institute of Occupational Medicine and Industrial Hygiene, NTU College of Public Health, Room 339, No. 17, Xuzhou Rd, Taipei, Taiwan.