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  2. Lumbosacral plexus - Wikipedia

    en.wikipedia.org/wiki/Lumbosacral_plexus

    The anterior divisions of the lumbar nerves, sacral nerves, and coccygeal nerve form the lumbosacral plexus, the first lumbar nerve being frequently joined by a branch from the twelfth thoracic. For descriptive purposes this plexus is usually divided into three parts: lumbar plexus; sacral plexus; pudendal plexus

  3. Sacral plexus - Wikipedia

    en.wikipedia.org/wiki/Sacral_plexus

    In human anatomy, the sacral plexus is a nerve plexus which provides motor and sensory nerves for the posterior thigh, most of the lower leg and foot, and part of the pelvis. It is part of the lumbosacral plexus and emerges from the lumbar vertebrae and sacral vertebrae (L4-S4). [ 1 ]

  4. Lumbar plexus - Wikipedia

    en.wikipedia.org/wiki/Lumbar_plexus

    The lumbar plexus is a web of nerves (a nerve plexus) in the lumbar region of the body which forms part of the larger lumbosacral plexus.It is formed by the divisions of the first four lumbar nerves (L1-L4) and from contributions of the subcostal nerve (T12), which is the last thoracic nerve.

  5. Nerve plexus - Wikipedia

    en.wikipedia.org/wiki/Nerve_plexus

    Since the lumbar plexus and sacral plexus are interconnected, they are sometimes referred to as the lumbosacral plexus. The intercostal nerves that give rami to the chest and to the upper parts of the abdominal wall efferent motor innervation and to the pleura and peritoneum afferent sensory innervation are the only ones that do not originate ...

  6. Lumbar nerves - Wikipedia

    en.wikipedia.org/wiki/Lumbar_nerves

    The first three lumbar nerves, and the greater part of the fourth together form the lumbar plexus. The smaller part of the fourth joins with the fifth to form the lumbosacral trunk, which assists in the formation of the sacral plexus. The fourth nerve is named the furcal nerve, from the fact that it is subdivided between the two plexuses.

  7. Lumbosacral trunk - Wikipedia

    en.wikipedia.org/wiki/Lumbosacral_trunk

    The lumbosacral trunk is formed by the union of the entire anterior ramus of lumbar nerve L5 and a part of L4 [clarification needed]. [1] [2] [3] L4 first issues its branches to the lumbar plexus, then emerges from the medial border of the psoas muscle [3] to unite with the anterior ramus of L5 just superior to the pelvic brim to form the thick, cord-like trunk which [4] crosses the pelvic ...

  8. Plexopathy - Wikipedia

    en.wikipedia.org/wiki/Plexopathy

    Management of brachial or lumbosacral plexopathy depends on the underlying cause. No matter the cause of plexopathy, physical therapy and/or occupational therapy may promote recovery of strength and improve limb function. In the case of a mass lesion causing compression of the brachial or lumbosacral plexus, surgical decompression may be warranted.

  9. Ventral ramus of spinal nerve - Wikipedia

    en.wikipedia.org/wiki/Ventral_ramus_of_spinal_nerve

    The lumbar and sacral plexuses innervate the pelvic girdle and lower limbs. Ventral rami, including the sinuvertebral nerve branches, also supply structures anterior to the facet joint, including the vertebral bodies, the discs and their ligaments, and joins other spinal nerves to form the lumbosacral plexus .

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