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MUHAMAD HASAN

BAGIAN ANATOMI

FK UNIVERSITAS JEMBER

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PLEXUS LUMBOSACRALIS

Menginervasi struktur di extremitas inferior 

Dibentuk oleh rr.ventraless nn.L1-S3

Memiliki cabang:

1.n.iliohypogastricus (T XII-LI)

- bercabang rr.cutanei lateralis et anterior 

- innervasi bagian posterolateral glutea

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PLEXUS LUMBOSACRALIS

2.n.ilioinguinalis (L1)

- innervasi bagian superomedial regio

femoris

- radix penis dan scrotum

- mons pubis dan labium majus

3.n.genitofemoralis(LI-II)

-bercabang menjadi rr.genitalis dan rr.femoralis

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PLEXUS LUMBOSACRALIS

3.n.genitofemoralis(LI-II)

- rr.femoralis meninervasi bag.superior 

daerah medius regio femoris ventralis

4.n.cutaneus femoris lateralis (LI-III)

- Berjln profundus lig.inguinale

- Muncul di mediosuperior m.sartorius

- menginervasi sisi lateral regio femoris

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PLEXUS LUMBOSACRALIS

5.n.femoralis (LII-IV)

- Berjln profundus lig.inguinale dan muncul di

dalm trigonum femorale

- Innervasi regio femoris sisi anterior, medial,

anteromedial

- Innervasi musculi regio femoris ventralis

- Innervasi artic coxae dan genu

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PLEXUS LUMBOSACRALIS

6.n.gluteus superior (LIV-SI)

- Keluar lewat fossa suprapiriformis

- Innervasi mm.gluteus medius, minimus dan

tensor fascialata

7.n.gluteus inferior (LI-SII)

- bersama n.ischiadicus keluar lewat fossainfrapiriformis

- innervasi m.gluteus maximus

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PLEXUS LUMBOSACRALIS

8.n.ischiadicus(LIV-SIII)

- Saraf terbesar di tubuh

- Terdiri 2 saraf:- n.peroneus communis

- n.tibialis

- Keluar lewat foramen infrapiriformis

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PLEXUS LUMBOSACRALIS

9.n.cutaneus femoris posterior (SI-III)

- menembus lig.sacrotuberosum

- Keluar lewat foramen infrapiriformis

- Innervasi bagian superficial regio gluteus

- Berakhir di regio cruris dan menginervasi regio

tersebut

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