Anterior & Medial Thigh

Abdominal Wall

In-Class

Which of the following attaches to the iliac crest?

• Psoas major• Psoas minor• Iliacus• Quadratus lumborum

Which muscle is most superficial?

A. External obliqueB. Internal obliqueC. Transversus abdominisD. Rectus abdominis

Drake: Fig. 5.21

Which of the following is the anterior superior iliac spine (ASIS)?

A

B

C

D

Which of the following is the insertion for iliopsoas?

Drake: Fig. 6.51

AD

C

B

A. Greater trochanter of femurB. Iliac crestC. Lumbar spinous processesD. Lumbar transverse processes

Which of the following is an attachment of psoas major?

Psoas Major

Drake: Fig. 6.56

What is the innervation of iliacus?

A. FemoralB. SciaticC. Common peronealD. Obturator

What muscle forms the inguinal ligament?

A. External abdominal obliqueB. IliopsoasC. SemimembranosusD. Transversus abdominis

Arteries

Drake: Fig. 4.12

Abdominal Aorta

Common Iliac Artery

External Iliac Artery

Internal Iliac Artery

Femoral Artery

Femoral Artery

• Continuation of external iliac artery– Passes deep to inguinal

ligament• Branch:

– Deep artery of thigh (profunda femoris)

Drake: Fig. 6.62

Branches: Deep Artery of Thigh

Lateral circumflex femoral artery

Medial circumflex femoral artery

Perforating arteries

Drake: Fig. 6.63

Obturator Artery

Drake: Fig. 6.64

Nerves

Femoral Nerve

• Branches:– Anterior

cutaneous branches

– Motor nerves– Saphenous nerve

Drake: Fig. 6.65

Drake: Fig. 6.66

Obturator Nerve

Femoral Triangle

Drake: Fig. 6.124