Sciatic nerve

Nervus ischiadicus

Formed from the L4-S3 nerve roots of the sacral plexus. It exits the pelvis through the greater sciatic foramen below the piriformis muscle. It descends through the posterior thigh, dividing into the tibial and common peroneal (fibular) nerves, usually at the popliteal fossa.

Tipe Nerve
Sistem Tubuh Nervous
Wilayah Tubuh Hip
Struktur Induk nerve
Nama Latin Nervus ischiadicus
FMA ID 19034

Fungsi

The largest and longest nerve in the body, providing motor innervation to the posterior thigh and all muscles below the knee. Provides sensory innervation to the lateral leg, foot, and parts of the posterior thigh.

Signifikansi Klinis

Sciatica (sciatic nerve irritation, often from disc herniation) causes radiating pain down the posterior leg. Piriformis syndrome compresses the nerve in the buttock. Improper gluteal injections can damage the nerve. Complete sciatic nerve injury causes loss of all movement below the knee.

Pertanyaan yang Sering Diajukan

What is the Sciatic nerve?
Formed from the L4-S3 nerve roots of the sacral plexus. It exits the pelvis through the greater sciatic foramen below the piriformis muscle. It descends through the posterior thigh, dividing into the tibial and common peroneal (fibular) nerves, usually at the popliteal fossa.
What is the function of the Sciatic nerve?
The largest and longest nerve in the body, providing motor innervation to the posterior thigh and all muscles below the knee. Provides sensory innervation to the lateral leg, foot, and parts of the posterior thigh.
What body system is the Sciatic nerve part of?
The Sciatic nerve is part of the Nervous.
What conditions affect the Sciatic nerve?
Sciatica (sciatic nerve irritation, often from disc herniation) causes radiating pain down the posterior leg. Piriformis syndrome compresses the nerve in the buttock. Improper gluteal injections can damage the nerve. Complete sciatic nerve injury causes loss of all movement below the knee.
Where is the Sciatic nerve located?
The Sciatic nerve is located in the Hip region of the body.

Struktur Terkait

nervous system lemniscus lemniscus choroid plexus of fourth ventricle 4th ventricle choroid plexus arthropod optic lobe optic lobe genu of corpus callosum corpus callosum genu basis pontis basis pontis developing neuroepithelium embryonic neuroepithelium posterior recess posterior recess of diencephalic ventricle central nervous system cerebrospinal axis

Penafian Medis

Konten ini hanya untuk tujuan pendidikan dan informasi. Konten ini tidak dimaksudkan sebagai pengganti saran medis profesional, diagnosis, atau pengobatan. Selalu cari saran dokter atau penyedia kesehatan berkualifikasi lainnya untuk pertanyaan apa pun yang Anda miliki mengenai kondisi medis. Jangan pernah mengabaikan saran medis profesional atau menunda mencarinya karena sesuatu yang telah Anda baca di situs web ini.