Abstract
1) A simple apparatus is deviced for hanging up both knees perpendicularly as one of the pelvic traction. By the method, a) lumbar lordosis is removed and posterior part of the disc is extended, b) by enlargement of the intervertebral foramina nerve root and posterior facet joints are decompressed. c) lumbar muscle spasm is released.
2) Some advantages of the flexion management for lumbosacral disc and ioint diseases are discussed. By step bed treatment with or without pelvic traction the pain is easily relieved as comparing with other conservative treatment.
