pleksus lumbosakral - yas
DESCRIPTION
LumbosakralTRANSCRIPT
Pleksus Lumbosakral
Oleh : Nuryasin KurniawanPembimbing : dr. Sugeng Yuwono SpOT
Dermatomal Sensory Testing
LUMBAR PLEXUS (Deep to Psoas muscle) ANTERIOR DIVISION
1. Subcostal (T12):Sensory: Subxiphoid region Motor: NONE
2. Iliohypogastric (L1):Sensory: Above pubisPosterolateral buttocks Motor: Transversus abdominusInternal Oblique 3. Ilioinguinal (L1):Sensory: Inguinal region Motor: NONE 4. Genitofemoral (L1-2): pierces Psoas, lies on anteromedial surface.Sensory: Scrotum/mons Motor: Cremaster
5. Obturator (L2-4): exits via obturator canal, splits into anterior & posterior divisions.
Sensory: Inferomedial thigh via cutaneous branch of Obturator nerve Motor: External obliqueAdductor longus (anterior division)Adductor brevis (ant & post division)Adductor magnus (posterior division)Gracilis (anterior division)Obturator externus (posterior division)
6. Accessory Obturator (L2-4): inconsistentSensory: NONE Motor: Psoas
POSTERIOR DIVISION
7. Lateral Femoral Cutaneous [LFCN](L2-3)
Sensory: Lateral thigh Motor: NONE
8. Femoral (L2-4): lies between psoas major and iliacus
Sensory: Anteromedial thigh via anterior intermediate cutaneous nervesMedial leg & foot via medial cutaneous nerves (Saphenous Nerve) Motor: PsoasIliacusPecineusQuadriceps Rectus femoris Vastus lateralis Vastus intermedialis Vastus MedialisSartoriusArticularis genu
Lumbar and Sacral Motor Root Function
Lumbar and Sacral Motor Root Function
Reflex Examination
Bulbocavernosus Reflex
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