Foot And Ankle Anatomy (Main)

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Muscles of the Lower Leg

Anterior Compartment of the Leg

• Tibialis Anterior
• Extensor Hallucis Longus
• Extensor Digitorum Longus
• Peroneus Tertius

Lateral Compartment of the Leg

• Fibularis Longus
• Fibularis Brevis

Superficial Posterior Compartment of the Leg

• Gastrocnemius
• Soleus
• Plantaris

Deep Posterior Compartment of the Leg

• Tibialis Posterior
• Flexor Hallucis Longus
• Flexor Digitorum Longus
• Popliteus

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Intrinsic Muscles of the Foot

First Layer

• Abductor Hallucis
• Abductor Digiti Minimi
• Flexor Digitorum Brevis

Second Layer

• Quadratus Plantae
• Lumbricals

Third Layer

• Flexor Hallucis Brevis
• Flexor Digiti Minimi Brevis
• Adductor Mallucis

Fourth Layer

• Plantar Interossei
• Dorsal Interossei
• Extensor Digitorum Brevis
• Extensor Hallucis Brevis

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Bones

• Tibia
• Fibula
• Tarsal bones
  • Talus
  • Calcaneus
  • Navicular
  • Cuboid
  • Cuneiform Bones
• Metatarsal
• Phalanges
• Sesamoid Bones
• Accessory Bones
  • Os Trigonum
  • Os Peroneum

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Joints

• True Ankle Joint
• Subtalar Joint
• Transverse Tarsal Joint
• Cuneonavicular Joint
• Cuboideonavicular Joint
• Tarsometatarsal Joint
• Intermetatarsal Joints
• Metatarsophalangeal Joint
• Proximal Interphalangeal Joint
• Distal Interphalangeal Joint

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Ligaments

• Lateral Ligament Complex
  • Anterior Talofibular Ligament (ATFL)
  • Calcaneofibular Ligament (CFL)
  • Posterior Talofibular Ligament (PTFL)
• Anterior Inferior Tibiofibular Ligament (AITFL)
• Posterior Fibular Ligaments (PTFL)
• Deltoid Ligament
• Calcaneonavicular Ligament
• Tibiofibular Syndesmosis
• Spring Ligament Complex
• Plantar Plate

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Nerves

• Common Peroneal Nerve
  • Superficial Peroneal Nerve
  • Deep Peroneal Nerve
• Tibial Nerve
  • Medial Plantar Nerve
  • Lateral Plantar Nerve
• Sural Nerve
• Saphenous Nerve

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Vascular Supply

• Popliteal Artery
  • Anterior Tibial Artery
    • Dorsal Pedis Artery
      • Lateral Tarsal Artery
      • Arcuate Artery
      • Metatarsal Artery
      • Plantar Digital Artery
  • Posterior Tibial Artery
    • Medial Plantar Artery
    • Lateral Plantar Artery
  • Fibular Artery
    • Calcaneal Anastomosis

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Other Anatomic Structures

• Retinacula
  • Superior Extensor Retinaculum
  • Inferior Extensor Retinaculum
  • Superior Peroneal Retinaculum
  • Inferior Peroneal Retinaculum
• Tendons
  • Peroneal Tendon
  • Achilles Tendon
• Plantar Fasciia

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See Also

• Internal
  • Ankle Pain Main
  • Foot Anatomy (Main)
  • Foot Pain (Main)
• External
  • Sports Medicine Review Ankle Pain: https://www.sportsmedreview.com/by-joint/ankle/
  • Sports Medicine Review Foot Pain: https://www.sportsmedreview.com/by-joint/foot/

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