Bassett Collection of Stereoscopic Images of Human Anatomy

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Dissection of anterior aspect of left leg

Nerves and blood vessels to upper part of tibialis anterior muscle

Image #192-4

KEYWORDS: Leg, Muscles and tendons, Peripheral nervous system, Vasculature.

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Dissection of anterior aspect of left leg

Nerves and blood vessels to upper part of tibialis anterior muscle

The tibialis anterior has been detached from its origins on the tibia and interosseous membrane. The muscle has been retracted laterally. Branches of the deep peroneal nerve (10, 12) enter the anterior muscular compartment by passing through the anterior intermuscular septum (8). The upper one of these branches supplies periosteum as well as muscle, whereas the lower branch passes directly into the muscle. The recurrent branch of the anterior tibial artery (11), with its accompanying veins, sends branches into the muscle.

1 .	Medial condyle of tibia
2 .	Infrapatellar branch of saphenous nerve
3 .	Tibial tuberosity
4 .	Interosseous membrane of leg
5 .	Greater saphenous vein (note several perforating branches entering posterior muscular compartment of leg)
6 .	Medial surface of tibia
7 .	Anterior border of tibia
8 .	Anterior intermuscular septum
9 .	Head of fibula
10 .	Periosteal branch of deep peroneal nerve
11 .	Anterior tibial recurrent artery
12 .	Muscular branch of deep peroneal nerve (to tibialis anterior muscle)
13 .	Anterior tibial vein
14 .	Tibialis anterior muscle (reflected)
15 .	Extensor digitorum longus muscle (reflected)