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Anterior compartment of leg

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Title: Anterior compartment of leg  
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Subject: Peroneus muscles, Deep peroneal nerve, Common peroneal nerve, Sciatic nerve, Accessory soleus muscle
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Anterior compartment of leg

Anterior compartment of leg
Details
Latin Compartimentum cruris anterius
anterior tibial artery
deep fibular nerve
Identifiers
Gray's p.480
Anatomical terminology

Contents

  • Muscles 1
  • Action 2
  • Nerve supply 3
  • Blood supply 4
  • See also 5
  • Notes and references 6
  • External links 7

Muscles

The muscles of the compartment are[1]

Muscle Proximal Attachment Distal Attachment Innervation Main Action
Tibialis anterior Lateral condyle and superior half of lateral surface of tibia and interosseous membrane Medial and inferior surfaces of medial cuneiform and base of 1st metatarsal Deep fibular nerve
(L4, L5)
Dorsiflexes ankle and inverts foot
Extensor digitorum longus Lateral condyle of tibia and superior three quarters of medial surface of fibula and interosseous membrane Middle and distal phalanges of lateral four digits Extends lateral four digits and dorsiflexes ankle
Extensor hallucis longus Middle part of anterior surface of fibula and interosseous membrane Dorsal aspect of base of distal phalanx of great toe (hallux) Extends great toe and dorsiflexes ankle
Fibularis tertius Inferior third of anterior surface of fibula and interosseous membrane Dorsum of base of 5th metatarsal Dorsiflexes ankle and aids in eversion of foot

[2]

Action

The muscles of the compartment are dorsiflexors of foot.[3]

Nerve supply

The anterior compartment of the leg is supplied by the deep fibular nerve (deep peroneal nerve). The nerve contains axons from the L4, L5, and S1 spinal nerves.

Blood supply

The compartment of the leg is supplied by anterior tibial artery.[1]

The structures of anterior compartment can be remembered using the mnemonic, "TEA DEPt" for Tibialis anterior, Extensor hallucis longus, Anterior tibial artery, Deep peroneal nerve, Extensor digitorum longus and Peroneus tertius.[1]

See also

Notes and references

  1. ^ a b c "Medical mnemonics". LifeHugger. Retrieved 2009-12-28. 
  2. ^ Moore, Dally, and Agur (2014). Moore Clinically Oriented Anatomy, Table 5.10, p 591.
  3. ^ antlegdorsalfoot at The Anatomy Lesson by Wesley Norman (Georgetown University)

External links

  • Diagram at patientcareonline.com


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