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Lumb Plexus
Simple
Question | Answer |
---|---|
Spinal Segments | L1-L4 |
Ilioinguinal | 1 Motor to part of IAO, EAO, and transverse Sensory to up. med. aspect of thigh, root of penis/scrotum, labia majora and mons pubis |
Iliohypogastric | 1 Motor to muscles of anterolateral ab wall Sensory to skin of lower ab and butt |
Genitofemoral | 12 Motor to cremaster Sensory to skin of mid ant thigh, scrotum & labia majora |
Lateral femoral cutaneous | 23 Sensory to skin over lat. and ant. thigh |
Femoral | 24 Motor to iliac, pectin, sartor, quads Sensory to skin of ant. and med. thigh |
Obturator | 24 Motor to adductors, gracialis, obturator ext. Sensory to skin of med. thigh |
Lumbosacral Trunk | inferior portion of 45 |