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AAAC44 21/5/05 10:54 AM Page 98
44 The nerves of the lower limb I

Anterior superior
iliac spine Inguinal ligament
External oblique aponeurosis
Lateral cutaneous
nerve of thigh Femoral nerve
Femoral artery
Iliacus
Femoral vein
Femoral canal

Psoas
tendon
Lacunar ligament
Pubic tubercle
Lateral cutaneous
Pectineus
nerve of thigh
Iliacus
Inguinal ligament
Femoral nerve
Pubic tubercle
Nerve to sartorius
To pectineus
Tensor fasciae latae Pectineus
To vastus lateralis Adductor longus
Psoas
Femoral vein
To vastus intermedius Great saphenous vein
and rectus femoris Femoral artery
Sartorius Saphenous nerve
Intermediate To vastus medialis
cutaneous nerve Medial cutaneous
of thigh nerve of thigh
(Skin of front of thigh) (Skin of medial thigh)
Rectus femoris Gracilis
Obturator
externus
Pectineus
Posterior
division
Adductor Adductor brevis
longus
Anterior division

Gracilis
Deep fascia
(Skin of medial leg
and foot) Branch to
Fig.44.1 knee joint
The femoral nerve and its major branches.
The upper diagram shows the structures
that pass under the inguinal ligament

Fig.44.2
The anterior and posterior divisions
of the obturator nerve

98 Lower limb