2022年2月17日 · 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.

2022年5月16日 · Lumbar spinal cord injury can result in lower body paralysis. Learn the functions affected by L1, L2, L3, L4, & L5 SCI and recovery outlook!

Identifying the symptoms of L1 and L2 spine problems is the first step toward effective treatment and management. The symptoms can vary widely depending on the specific condition …

6 天之前 · Explore the anatomy, structure, and role of the L1 vertebra in the lumbar region with Innerbody's 3D model. The L1 vertebra (1st lumbar vertebra) is the smallest and most superior …

2025年2月26日 · The lumbar region of the spine, more commonly known as the lower back, consists of five vertebrae labeled L1 through L5. The lumbar region is situated between the thoracic, or chest, region of the spine, and the sacrum. The lumbar spine typically has a slight inward curve known as lordosis.

Doctors typically name the motion segments while referring to lower back disorders, such as L4-L5 disc degeneration. The lumbar spine connects with the thoracic spine above at the thoracolumbar junction and the sacral spine below at the lumbosacral joint.

2023年11月16日 · The lumbar vertebrae are five in number and desginated as vertebrae L1-L5. They are primarily responsible for bearing the weight of the upper body (and permitting movement) and consequently represent the largest individual segments of the vertebral column.

2023年10月2日 · “L4 and L5 are where the most disc herniations occur [the spinal discs serve as cushions between the vertebrae], and the S1 disc in L5 is where we have the most degeneration over time,” says Dr....

2018年1月22日 · The L1 vertebra is level with the ninth rib and the connection between the stomach and the small intestine. Flexion and extension in the L1 vertebrae averages about 10 to 12 degrees.

2025年3月19日 · Introduction The lumbar plexus is a neural network formed by the anterior rami of spinal nerves L1 through L4 and the anterior ramus of spinal nerve T12. It is situated on the posterior abdominal wall, anterior to the transverse processes of the lumbar vertebrae, and inside the posterior section of the psoas major muscle. The lumbar plexus gives rise to branches that …