HipandThigh
Plate483
PsoasandIliacusMuscles
Quadratus lumborum
muscle
Subcostal nerve
Transversus abdominis
muscle (
cut
)
Iliohypogastric nerve
Ilio-inguinal nerve
Psoas minor
muscle
Psoas major
muscle
Genitofemoral nerve
Lateral femoral
cutaneous nerve
Iliacus muscle
Femoral nerve
Obturator nerve
Superior and inferior
pubic rami
Greater trochanter
of femur
Iliacus and psoas
muscles pass
backward to
insert on lesser
trochanter (iliopsoas)
Abductors
(gluteus medius
and
minimus muscles)
Note: Arrows indicate direction of action
of muscles (iliacus/psoas superiorly,
iliopsoas inferiorly).
Adductors
Lumbar plexus
(L1–4)
Lumbosacral trunk
(L4, 5)
Iliac crest
Anterior superior
iliac spine
Iliofemoral
ligament of
hip joint
(Y ligament
of Bigelow)
Iliopectineal bursa
12th rib
T12
L1
L2
L3
L4
L5
Origin of psoas major
muscle from vertebral
bodies, transverse
processes, and
intervertebral discs
(T12–L4) and origin
of psoas minor muscle
from vertebral bodies
(T12, L1)
See±also±
Plates 253, 258, 262
±
