neurologist doctor holds imitation of spine with intervertebral hernia

neurologist doctor holds imitation spine intervertebral hernia sequestered median spinal segment osteochondrosis lumbar stenosis pain ankylosing spondylitis central chronic closeup degeneration dorsal fascia annulus fibrosus arm disease discs isolate layout manual therapy physician medical glove medicinal model nerve neuralgia osteochondritis protrusion nucleus pulposus radicular syndrome sacral sequestration canal spondylolisthesis hernia diseases