L3 anterior ramus
Roots · L3
Splits inside psoas into anterior and posterior divisions: anterior to the obturator nerve, posterior to the femoral and lateral femoral cutaneous nerves.
Detail
- Dermatome
- Anterior thigh down to the knee
- Myotome
- Knee extension (with L4), hip adduction
- Reflex
- Knee jerk (L3–L4)
Practise this structure
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