Updated: 1/2/2022

Extensor digitorum longus

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Flashcards
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Questions
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100%
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Evidence
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Videos / Pods
2
Topic
Images
https://upload.orthobullets.com/topic/10080/images/extensor-digitorum-longus.jpg
  • Summary
      • Extensor digitorum longus
      • Origin
      • Lateral tibial condyle, proximal 3/4 of anterior fibula, upper part of interosseous membrane, fascia cruris, and anterior intermuscular septum
      • Insertion
      • Splits into 4 tendon slips after inferior extensor retinaculum, each of which insert on dorsum of middle and distal phalanges as part of extensor expansion complex
      • Action
      • Extend toes 2 - 5 and dorsiflexes ankle
      • Innervation
      • Deep peroneal nerve (L4, L5, S1)
      • Arterial supply
      • Anterior tibial artery

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Flashcards (5)
Cards
1 of 5
Questions (1)

(OBQ04.53) Injury to the deep peroneal nerve would result in which of the following?

QID: 1383

Weakness of hindfoot eversion

7%

(336/4916)

Weakness of hindfoot inversion

2%

(82/4916)

Weakness of great toe extension

85%

(4174/4916)

Weakness of great toe flexion

3%

(163/4916)

Weakness of ankle plantarflexion

2%

(120/4916)

L 1 C

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Evidence (1)
VIDEOS & PODCASTS (3)
EXPERT COMMENTS (4)
Private Note