Arterial Supply of the Anterior Leg

by James Pickering, PhD

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    00:01 Now let's turn our attention to the vascular supply of the anterior compartment of the leg.

    00:07 So previously, we've spoken about popliteal artery passing down and giving rise to both the anterior and the posterior tibial arteries.

    00:16 And this occurs at the inferior border of popliteus.

    00:20 The anterior tibial artery is going to supply the anterior compartment.

    00:23 So it needs to make its way through the interosseous membrane to get into the anterior aspect.

    00:29 And it does that by passing through the superior aperture of the interosseous membrane, which is running between the tibia and the fibula.

    00:38 So now we can see the anterior tibial artery emanating through the superior aperture of this interosseous membrane.

    00:45 It then descends alongside the lateral aspects of the tibia to enter into the dorsum of the foot.

    00:52 Here we see it running alongside extensor hallucis longus.

    00:56 If we add tibialis anterior on top, then we hide the anterior tibial artery.

    01:00 So that serves to somewhat protect it.

    01:02 We can then see it locating midway between the two malleoli that form the ankle joint.

    01:08 Remember the medial malleolus comes from the tibia and the lateral malleolus comes from the fibula.

    01:13 The anterior tibial artery then continues on to the dorsum of the foot where it becomes the dorsalis pedis artery.

    01:20 The dorsalis pedis artery then supplies the dorsum of the foot.

    01:24 So the anterior tibial artery on its course supplies those three muscles of the anterior compartment.

    01:30 Tibialis anterior, extensor digitorum longus, and extensor hallucis longus.

    About the Lecture

    The lecture Arterial Supply of the Anterior Leg by James Pickering, PhD is from the course Fasciae and Neurovasculature of the Lower Limbs.

    Included Quiz Questions

    1. Extensor hallucis longus
    2. Soleus
    3. Popliteus
    4. Gastrocnemius
    5. Extensor hallucis brevis
    1. Tibialis anterior
    2. Extensor digitorum longus
    3. Extensor hallucis longus
    4. Tibialis posterior
    5. Gastrocnemius

    Author of lecture Arterial Supply of the Anterior Leg

     James Pickering, PhD

    James Pickering, PhD

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