BodyWall
4
Plate250
PosterolateralAbdominalWall
Serratus anterior muscle
Infraspinous fascia
Rhomboid major muscle
Auscultatory triangle
Lateral cutaneous branch of dorsal ramus of T7 spinal nerve
Medial cutaneous branch of dorsal ramus of T7 spinal nerve
Trapezius muscle
Latissimus dorsi muscle
External oblique muscle
Thoracolumbar fascia (posterior layer)
Lateral cutaneous branch of
subcostal nerve (anterior ramus of T12)
Lumbar triangle (of Petit)
Iliac crest
Lateral cutaneous branch of iliohypogastric nerve (L1)
Gluteal aponeurosis over gluteus medius muscle
Superior clunial nerves (lateral cutaneous
branches of posterior rami of L1–L3 spinal nerves)
Gluteus maximus muscle
Latissimus dorsi muscle
Latissimus dorsi muscle (
cut and turned back
)
Serratus posterior inferior muscle
Digitations of costal origin of latissimus dorsi muscle
Digitations of costal origin of external oblique muscle
External oblique muscle (
cut and turned back
)
Tendon of origin of transversus abdominis muscle
Internal oblique muscle
Lateral cutaneous branch of subcostal nerve (anterior ramus of T12)
Lateral cutaneous branch of iliohypogastric nerve (L1)
Iliac crest
Superior clunial nerves (lateral cutaneous branches
of posterior rami of L1–L3 spinal nerves)
Gluteus maximus muscle
9
10
11
12