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Lumbosacral Joint (L5-S1): Anatomy and Pain Symptoms
L5-S1 is the exact spot where the lumbar spine ends and the sacral spine begins. The lumbosacral joint connects these bones.
Medscape1mon
Accuracy of Physical Examination for Chronic Lumbar Radiculopathy
Methods A total of 116 patients referred with symptoms of lumbar ... % CI 1.06–37.21) for L4, 1.74 (95% CI 1.04–2.93) for L5, and 1.29 (95% CI 0.97–1.72) for S1 nerve root impingement.
Medscape7d
Lumbar Spine: Common Pathology and Interventions
The cauda equina is the lumbar and sacral nerve roots extending from the lowest part of the spinal cord. It fills the thecal sac from approximately L2 to S1. Symptoms include urinary retention or ...
BMJ3mon
Lumbar spine region pathology and hamstring and calf injuries in athletes: is there a connection?
It is presumed that muscles and tendons are more susceptible to injury ... an L5 and S1 nerve supply have such a strong correlation with advancing age, whereas there is little or no correlation ...