Medically reviewed by Jennifer Steinhoff, MD Key Takeaways The lumbar spine includes five vertebrae that help with mobility and stability.Lumbar vertebrae are larger because they carry the load from ...

The lumbar vertebrae are the largest movable bones of the backbone. Their large size and bone strength is necessary because these vertebrae support more weight than the upper two segments of the ...

Lower back pain can be caused by a variety of reasons, including posture, a weak core, and some underlying medical conditions. Lower back pain is defined as pain in the vertebrae designated L1 through ...

Please provide your email address to receive an email when new articles are posted on . The patient was placed in the prone position and the pedicles L1- L5 were marked. Four small incisions were made ...

Accidents, falls, and certain diseases can injure the spinal cord. How a spinal cord injury affects a person depends on two factors: the area of the spinal cord where the injury occurred and the ...

A 47 year-old man underwent routine lumbar laminectomy for a herniated disk. Following the surgery, he developed progressive leg weakness and then paraplegia and urinary incontinence. On examination, ...