L5-S1 is the exact spot where the lumbar spine ends and the sacral spine begins. The lumbosacral joint connects these bones.

The lumbar spine rests upon the sacrum. The place where they meet is called the lumbosacral joint, or L5-S1. The muscles in your lumbar spine work with your abdominal muscles to move your torso ...

Thus, a left L5-S1 disc herniation compresses the left S1 ... Although most recover without surgery, patients with large midline lumbar HNPs may suffer significant neurological impairment.

I’ve been suffering from back pain for years, and imaging shows Modic changes at L5-S1. What does this mean, and could it be ...

Background Clinical examination of patients with chronic lumbar radiculopathy aims to clarify ... 1.74 (95% CI 1.04–2.93) for L5, and 1.29 (95% CI 0.97–1.72) for S1 nerve root impingement.

Co-Chief Emeritus of the spine service at HSS, Harvinder Sandhu, M.D., told OTW, “Historically, depression is associated with ...

Objectives: To observe the prevalence of lumbar intervertebral disc degeneration in elite athletes ... It was most common at the L5/S1 level, and, of the abnormal group, 36% (n = 11) showed the most ...

They also experienced moderate to severe muscle hypertrophy in the lumbar multifidus, particularly in the L4-L5 and L5-S1 segments. In regard to other spinal changes, spaceflight was associated ...