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  2. 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 ]

  3. Piriformis nerve - Wikipedia

    en.wikipedia.org/wiki/Piriformis_nerve

    Sacral plexus (S1–S2) Innervates: Piriformis muscle: Identifiers; Latin: ... is the peripheral nerve that provides motor innervation to the piriformis muscle. Structure

  4. Superior gluteal nerve - Wikipedia

    en.wikipedia.org/wiki/Superior_gluteal_nerve

    The superior gluteal nerve is a mixed (motor and sensory) nerve of the sacral plexus that originates in the pelvis. It provides motor innervation to the gluteus medius , gluteus minimus , tensor fasciae latae , and piriformis muscles; it also has a cutaneous branch.

  5. Sciatic nerve - Wikipedia

    en.wikipedia.org/wiki/Sciatic_nerve

    The lumbosacral trunk from the L4 and L5 roots descends between the sacral promontory and ala, and the S1 to S3 roots emerge from the ventral sacral foramina. These nerve roots unite to form a single nerve in front of the piriformis muscle. The nerve passes beneath the piriformis and through the greater sciatic foramen, exiting the pelvis.

  6. Inferior gluteal nerve - Wikipedia

    en.wikipedia.org/wiki/Inferior_gluteal_nerve

    The sacral plexus is formed anterior to the piriformis muscle and gives rise to the sciatic nerve, the superior and inferior gluteal nerves, and the pudendal and posterior femoral cutaneous nerves. [3] However, most of the sacral plexus nerves are scarcely recognizable, because they leave the pelvis through the greater sciatic foramen. From the ...

  7. Lumbar nerves - Wikipedia

    en.wikipedia.org/wiki/Lumbar_nerves

    L5 supplies many muscles, either directly or through nerves originating from L5. They are not innervated with L5 as single origin, but partly by L5 and partly by other spinal nerves. The muscles are: gluteus maximus muscle mainly S1; gluteus medius muscle; gluteus minimus muscle; tensor fasciae latae; tibialis anterior; tibialis posterior

  8. Sacral spinal nerve 1 - Wikipedia

    en.wikipedia.org/wiki/Sacral_spinal_nerve_1

    S1 supplies many muscles, either directly or through nerves originating from S1. They are not innervated with S1 as single origin, but partly by S1 and partly by other spinal nerves. The muscles are: gluteus maximus muscle; gluteus medius muscle; gluteus minimus muscle; tensor fasciae latae; piriformis; obturator internus muscle; inferior gemellus

  9. Nerve to obturator internus - Wikipedia

    en.wikipedia.org/wiki/Nerve_to_obturator_internus

    The nerve to obturator internus (also known as the obturator internus nerve [citation needed]) is a mixed (sensory and motor) [1] nerve providing motor innervation to the obturator internus muscle and gemellus superior muscle, [2] [1] and sensory innervation to the hip joint. [1] It is a branch of the sacral plexus. It is one of the group of ...