Symptoms of sciatica originating at this level of the lower back may include: pain and/or numbness at the top of the foot, particularly in the web between the great toe (big toe) and the second toe. 1  See All about the L4-L5 Spinal Segment. 2  Sciatica from S1 nerve root.
The Advisory Board Company. The Advisory Board Company is a best practices firm that uses a combination of research, technology, and consulting to improve the performance of health care organizations and educational institutions. 1 History.
The Medical Review Board (MRB) is a nationally recognized standing board of licensed physicians established by FMCSA to provide expert advice to the Secretary of Transportation on matters related to physical qualifications of drivers, medical standards and guidelines, materials for training medical examiners, functional tests for drivers with multiple disabilities and identifying risks of sudden incapacitation.