Femoral Triangle

Question 1

Borders of femoral triangle

Answer 1

Superior border – inguinal ligament
Lateral border – medial border of the sartorius muscle.
Medial border – Formed by the medial border of the adductor longus muscle

Question 2

Roof of the femoral triangle

Answer 2

Formed by the fascia lata

Question 3

The base of the femoral triangle is formed by…

Answer 3

…the pectineus, iliopsoas and adductor longus muscles

Question 4

Femoral triangle’s contents (lateral to medial) are:

Answer 4

Femoral nerve
Femoral artery
Femoral vein
Femoral canal

Question 5

The femoral sheath is…

Answer 5

… a fascial compartment in which the femoral artery, vein and canal are contained

Question 6

Why is the empty space in the femoral triangle necessary?

Answer 6

It allows the veins and lymph vessels to distend, so they can cope with different levels of flow

Question 7

Clinical relevance of femoral triangle

Answer 7

• Femoral pulse
• Femoral artery access
• Femoral hernia

Question 8

Most superficial vessel in femoral triangle

Answer 8

Femoral artery

Question 9

Location of femoral pulse

Answer 9

Just inferior to where the femoral artery crosses the inguinal ligament, it can be palpated to measure the femoral pulse.

Question 10

Femoral artery crossing in femoral triangle

Answer 10

It crosses exactly midway between the pubic symphysis and anterior superior iliac spine (known as the mid-inguinal point).