Spine nerve diagram
Source: IOMStudy.com from the Institute of Medicine. The Femoral Nerve arises from nerve fibers from the the L2-L3-L4 portion of the lumbar spine. The Femoral Nerve then passes down the inside edge
of the thigh, past the inside of the knee and towards the ankle and foot. The Sciatic Nerve is the largest nerve in the body and it is comprised of nerves from the L4-L5-S1-S2-S3 level of the spine. Below is a very involved picture of the anatomy of the spine. If you have a back injury, the picture below will help you understand exactly where your problem is. Get an expert-written spinal anatomy lesson on the vertebral column (your spine) by reading this article. Sciatica, which is pain along the large sciatic nerve
that runs from the lower back down the back of each leg, can cause severe, debilitating pain. This article reviews the 6 main causes of sciatica, full range of symptoms, and treatments. SPINE CONDITIONS. Spine Solutions offices are dedicated to patient care and to helping you feel better today. We specialize in minimally invasive spine surgery and the treatment of degenerative spine, spinal deformity, trauma, tumor, as well as cervical disc replacement and lumbar disc replacement. The intervertebral discs are fibrocartilaginous cushions serving as the spine's shock absorbing system, which protect the vertebrae, brain, and other structures (i.e. nerves). Image Credit: Dr Matt Skalski Radiopaedia . Zone 1. Zone 1 fractures are sacral fractures lateral to foramina. These are most common fractures and associated with the nerve injury in 5%. In vertebrates, thoracic vertebrae compose the middle segment of the vertebral column, between the cervical vertebrae and the lumbar vertebrae.
In humans, there are twelve thoracic vertebrae and they are intermediate in size between the cervical and lumbar vertebrae; they increase in size going towards the lumbar vertebrae, with the lower ones being a lot larger than the upper. The genitofemoral nerve is a branch of the lumbar plexus, one of three components of the
larger lumbosacral plexus (a network of intersecting nerves in the lower vertebral column). By convention, the cervical vertebrae are numbered, with the first one (C1) closest to the skull and higher numbered vertebrae (C2–C7) proceeding away from the skull and down the spine.