Lateral Compartment of the Leg

Description

Cross-section of the lower leg depicting the 4 compartments and select key structures

Name

• Lateral compartment of the Leg

Muscles

• Fibularis Longus
• Fibularis Brevis

Vascular Supply

• Posterior Tibial Artery
• Fibular Artery

Innervation

• Superficial Peroneal Nerve

Actions

• Weak Plantarflexion
• Eversion
  • 63% of hindfoot eversion (peroneus longus providing 35%, peroneus brevis 28%)

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Clinical Significance

• Acute Compartment Syndrome
• Chronic Exertional Compartment Syndrome
• Foot Drop

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See More

• Leg Anatomy Main
• Leg Pain Main
• Physical Exam Knee

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