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L1 spinal nerve provides sensation to your groin and genital area and helps move your hip muscles. L2, L3 and L4 spinal nerves provide sensation to the front part of your thigh and inner side of your lower leg. These nerves also control hip and knee muscle movements.
A lumbar spinal cord injury can result in paraplegia. Discover the functions affected by L1, L2, L3, L4, & L5 spinal cord injury.
L1 spinal nerve provides sensation to the groin and genital regions and may contribute to the movement of the hip muscles. L2, L3, and L4 spinal nerves provide sensation to the front part of the thigh and inner side of the lower leg. These nerves also control movements of the hip and knee muscles.
Its thoracic part attaches to the spinous processes of the upper lumbar vertebra (L1, L2), which helps the spine with movement and also helps in maintaining posture and staying erect (extension) when standing.
The lumbar spine connects with the thoracic spine above at the thoracolumbar junction and the sacral spine below at the lumbosacral joint. The lumbar motion segments may be affected by congenital (birth-related), degenerative, traumatic, or inflammatory disorders.
The spinal cord ends between the first and second lumbar vertebrae (L1-L2). Below this level, the remaining nerves form the cauda equina, a bundle of nerves resembling a horse’s tail.
Lumbar Spine Anatomy and Pain. Lumbar Nerve Anatomy Animation. Lumbar Disc Anatomy Animation. advertisement. Learn how the lumbar spinal discs function and how lower back conditions can cause back pain and/or radiating pain.
The L1 vertebra is the topmost section of the lumbar spinal column. This section of the spine contains a portion of the spinal cord. Injuries to the L1 spine can affect hip flexion, cause paraplegia, loss of bowel/bladder control, and/or numbness in the legs.
midpoint of the transverse process is used to identify the midpoint of pedicle in the superior-inferior plane. lateral border of pars is used to identify the midpoint in the medial-lateral plane. Pedicle angulation. pedicles angulate more medially moving distally in the spine. L1: 12°.
The third lumbar spine vertebra (L3) is located in the middle of the lumbar spine, making it particularly susceptible to wear and tear. It is one of the most common sites for causes of chronic...