Bassett Collection of Stereoscopic Images of Human Anatomy

Dissection of dorsolateral aspect of left foot and ankle

Nerve supply to extensor digitorum brevis and extensor hallucis brevis muscles

Image #198-1

KEYWORDS: Ankle, Foot and toes, Muscles and tendons.

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Higher resolution images are available for a fee. Contact Drew Bourn, PhD, MLIS.

Dissection of dorsolateral aspect of left foot and ankle
Nerve supply to extensor digitorum brevis and extensor hallucis brevis muscles
The short extensor muscles have been detached at their origins and elevated to permit dissection of the branch from the deep peroneal nerve (3) that supplies these muscles. The specimen is viewed from a lateral direction.
1 . Deep peroneal nerve
2 . Dorsalis pedis artery
3 . Muscular branch of deep peroneal nerve (to short extensors)
4 . Lateral tarsal artery
5 . Extensor digitorum brevis muscle (reflected, extensor hallucis brevis muscle in background)
6 . Peroneus tertius muscle
7 . Anterior lateral malleolar artery
8 . Inferior extensor retinaculum
9 . Lateral malleolus
10 . Calcaneocuboid articular capsule
11 . Peroneus brevis muscle (tendon exposed within synovial sheath)
12 . Peroneus longus muscle (tendon exposed within synovial sheath)
13 . Cuboid bone (covered by periosteum)
14 . Tuberosity of 5th metatarsal bone
15 . Abductor digiti minimi muscle
16 . Opponens digiti minimi muscle
17 . 5th metatarsal bone
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