Comparison of Inelastic and Elastic Lumbosacral Orthoses on Low Back Pain Prevention in Hospital Nurses

Inclusion Criteria: 1. Female between 20 and 25 years of age 2. Subjects who have worked as a nurse less than two years and will continue working as a nurse no less than one year 3. Job contents including moving and lifting patients, long-time standing and frequent bending 4. Subjects who do not participate any other study concerning pain prevention currently and in the next year Exclusion Criteria: 1. Subjects who are experiencing low back pain symptoms at the time of inquiry, regardless of acute or chronic, and seeking medical care currently 2. Subjects who have experienced 2 or more episodes (on 2 consecutive days) of low back pain symptoms in the 12 months before the inquiry 3. Subjects who are suffering from any other chronic pain disorders symptomatically 4. Subjects who have used a lumbar support during the last 6 months 5. Subjects with specific low back pain (like infection, tumors, osteoporosis, fracture, structural deformity, inflammatory disorder, radicular syndrome or cauda equina syndrome, spinal stenosis or spondylolysis) 6. Subjects who have had a spinal operation 7. Subjects who are suffering from chronic cardiac, respiratory, liver and kidney complaint symptomatically 8. Subjects who are suffering from diseases that might be aggravated by increased intra-abdominal pressure, like hernia 9. Subjects who are suffering from chronic gastrointestinal disorders symptomatically 10. Subjects who are pregnant, planning to have a baby in 1 year or less than 6 months after delivery 11. Subjects who are suffering from serious somatic disease and/or psychic disease