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Table 2 Relationship of lumbar nerve and transverse process (, mm)

From: Clinical anatomy and 3D virtual reconstruction of the lumbar plexus with respect to lumbar surgery

Parameter measured Distance(mm)
  L2 L3 L4 L5
Superior margin of TP to nerve 4.9 ± 0.5 (3.6-5.3) 5.3 ± 0.8 (3.8-6.1) 5.9 ± 1.2 (3.6-7.9) 5.2 ± 0.7 (3.8-7.8)
Inferior margin of TP to nerve 8.9 ± 1.0 (7.1-10.9) 7.8 ± 1.1 (5.3-9.4) 6.8 ± 0.9 (4.9-8.4) 6.2 ± 0.9 (4.8-8.4)
Medial edge of vertebral to nerve on superior margin of TP 5.2 ± 1.2 (3.5-7.9) 5.0 ± 1.2 (3.1-7.6) 5.6 ± 1.3 (3.2-8.9) 8.7 ± 1.3 (5.4-11.6)