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Lateral Compartment of The Leg

Boundaries

  • Anterior: Anterior intermuscular septum.
  • Posterior: Posterior intermuscular septum.
  • Medial: Lateral surface of the fibula.
  • Lateral: Deep fascia of the leg.


Interactive Anatomical Interface

Highlight
tibialis anterior
extensor digitorum longus
fibularis tertius
Tibia
fibularis longus
soleus
gastrocnemius
fibula
soleus
GASTROCNEMIUS ( medial head)

Highlight
tibialis anterior
extensor digitorum longus
fibularis tertius
Tibia
fibularis longus
soleus

Highlight
gastrocnemius
fibula
soleus
GASTROCNEMIUS ( medial head)
-
Highlight
Gastrocnemius
Fibularis Brevis
soleus
Achilles tendon
popliteus
flexor hallucis longus
Tibialis posterior
fibularis longus
calcaneus
tibia
plantaris
abductor hallucis

Highlight
Gastrocnemius (triceps surae, part)
soleus
Fibularis Brevis
Achilles tendon
popliteus
flexor hallucis longus

Highlight
Tibialis posterior
fibularis longus
calcaneus
tibia
plantaris
abductor hallucis
-

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Contents

The contents of lateral compartment of the leg are supplied by the branches of the peroneal artery (a branch of posterior tibial artery) which reaches the lateral compartment by flexor hallucis longus and posterior intermuscular septum.

Related:   Mandible

Muscles of The Lateral Compartment of The Leg

Muscles Origin Insertion Nerve supply Actions
Peroneus longus (larger and lies superficial to the peroneus brevis) 1. Upper 2/3rd of the lateral surface of the fibula
2. Adjoining surface of the lateral condyle of the tibia
3. Anterior and posterior intermuscular septa
1. Lateral side of the base of the 1st metatarsal
2. Adjoining part of the medial cuneiform
Superficial peroneal nerve (L5; S1, S2) 1. Eversion of the foot
2. Weak plantar flexion of the ankle
3. Maintains the lateral longitudinal arch
Peroneus brevis (smaller and lies deep to the peroneus longus) 1. Lower 2/3rd of the lateral surface of the fibula
2. Anterior and posterior intermuscular septa
Lateral side of the base of the 5th metatarsal bone Superficial peroneal nerve (L5; S1, S2) 1. Eversion of the foot
2. Weak plantar flexion of the ankle
3. Maintains the lateral longitudinal arch

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By | 2018-08-08T00:00:00+00:00 August 8th, 2018|Anatomy, Lower Limb, Muscles|0 Comments