Transcript FOOT - University of Kansas Medical Center

FOOT
Dorsum of Foot

Blood supply:
Anterior tibial artery via dorsalis pedis.
Arcuate artery:
Dorsal metatarsals to dorsal digitals.
Deep plantar artery.
Dorsum of Foot

Nerve supply:
Superficial peroneal nerve:
Cutaneous.
Deep peroneal nerve:
Lateral branch is motor to intrinsic muscles on
dorsum.
Medial branch is cutaneous.
Sural nerve.
Dorsum of Foot

Muscles:
Extensor digitorum brevis.
Extensor hallucis brevis:
Sometimes considered part of extensor
digitorum brevis.
Dorsal interossei:
Abductors.
Second toe is reference.
Sole of Foot

Blood supply:
Posterior tibial artery:
Medial and lateral plantar arteries.
Perforating arteries.
Sole of Foot
 Nerve
supply:
Cutaneous:
Tibial nerve.
Saphenous nerve.
Sural nerve.
Motor:
Tibial nerve:
Via lateral and medial plantar nerves.
Layers of Sole of Foot

Superficial layers:
Skin.
Plantar aponeurosis.

First muscle layer:
Abductor hallucis.
Flexor digitorum brevis.
Abductor digiti minimi.
Layers of Sole of Foot

Second muscle layer:
Quadratus plantae:
= flexor accessorius.
Lumbricals.
Flexor digitorum longus tendon.
Flexor hallucis longus tendon.
Layers of Sole of Foot

Third muscle layer:
Flexor hallucis longus:
Sesamoid bones.
Adductor hallucis.
Flexor digiti minimi brevis.
Layers of Sole of Foot

Fourth muscle layer:
Peroneus longus tendon.
Tibialis posterior tendon.
Interossei:
Three plantar:
Adductors.
Four dorsal:
Abductors.