Dorsalis pedis artey Flashcards
(50 cards)
What is the chief artery of the dorsum of the foot
Dorsalis pedis artery
What is the origin of the dorsalis pedis artery
Direct continuation of the anterior tibial artery
Where does the anterior tibial artery become the dorsalis pedis artery
In front of the ankle
How does the dorsalis pedis artery travel along the foot
Forward along the medial dorsum of the foot
Where does the dorsalis pedis artery terminate
Proximal end of the first intermetatarsal space
Where does the dorsalis pedis artery enter the sole of the foot
Between two heads of the first dorsal interosseous muscle
With which artery does the dorsalis pedis artery anastomose
Lateral plantar artery
Which muscle crosses the dorsalis pedis artery superficially
Extensor hallucis brevis
What is located deep to the dorsalis pedis artery
Ankle joint and tarsal bones
What is medial to the dorsalis pedis artery
Tendon of extensor hallucis longus (EHL)
What is lateral to the dorsalis pedis artery
First tendon of extensor digitorum longus (EDL)
What percentage of cases have a dorsalis pedis artery replaced by the perforating branch of the peroneal artery
0.14
Why might the dorsalis pedis artery be too large
To compensate for a small lateral plantar artery
Which two arteries form the malleolar arterial networks
Lateral and medial tarsal arteries
Where does the arcuate artery arise
Near the base of the second metatarsal
How does the arcuate artery travel
Laterally with slight convexity toward the toes
Which three arteries does the arcuate artery give rise to
Second, third, and fourth dorsal metatarsal arteries
How do the dorsal metatarsal arteries supply the toes
Each divides into two dorsal digital arteries
Which artery supplies the lateral side of the little toe
Lateral dorsal metatarsal artery
Where does the first dorsal metatarsal artery arise
Just before dorsalis pedis dips into the sole
How does the first dorsal metatarsal artery divide
Into dorsal digital arteries for the first and second toes
Which artery supplies the medial side of the big toe
Dorsal digital artery from first dorsal metatarsal artery
Where can the dorsalis pedis artery pulse be felt
Between the tendons of extensor hallucis longus and first tendon of extensor digitorum longus
In which patients is the dorsalis pedis artery pulse often palpated
Patients with vaso-occlusive diseases