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The left panel shows the superficial muscles that move the feet and the center panel shows the posterior view of the same muscles. The right panel shows the deep muscles of the right lower leg.
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Tibialis posterior

Locate tibialis posterior on this anatomical reference. Read the original plate labels to confirm the view and adjacent structures.

Zoom in, then drag to inspect. Keyboard: + / − to zoom, arrows to pan, 0 to reset. Tap the numbered markers to explore parts.

The left panel shows the superficial muscles that move the feet and the center panel shows the posterior view of the same muscles. The right panel shows the deep muscles of the right lower leg.

Image: OpenStax / University of Hawaiʻi adapted teaching figures; original contributors credited at source · Source / original · CC BY 4.0 — figure credits at source

Numbered markers and focused views are Mediveerse learning overlays; the original reference is linked above.

Tibialis posterior

Leg & foot muscles

Tibialis posterior

STRUCTURE & FUNCTION

Understand what you see.

Inverts and plantarflexes foot and dynamically supports medial longitudinal arch.

Zoom into the original labels. Practise pointing out each structure, then explain it aloud. Diagrams are teaching references; specimen appearance and slide staining vary.

01 / IDENTIFICATION

How to recognise it.

  1. Deep posterior leg muscle
  2. Tendon passes behind medial malleolus
  3. Broad tarsal/metatarsal insertion
02 / KEY STRUCTURES

Point them out.

Tap a number to open its reference, zoom in and locate the structure. Numbers stay the same across views. This key follows landmarks visible in the reference images.

Related features & study points (3)

Additional relations, attachments or microscopic details to revise alongside this plate. These are separate from its numbered image landmarks.

  • Interosseous origin
  • Medial ankle tendon
  • Navicular insertion region
03 / VIVA PRACTICE

Think first. Then reveal.

Say your answer aloud before opening the suggested response.

01How do you identify tibialis posterior?
SUGGESTED ANSWER

Deep posterior leg muscle. Tendon passes behind medial malleolus. Broad tarsal/metatarsal insertion.

02Give its motor nerve.
SUGGESTED ANSWER

Tibial nerve, mainly L4–L5.

03Why is its tendon function relevant to flatfoot?
SUGGESTED ANSWER

Loss of effective tibialis posterior support can contribute to progressive collapse of the medial arch in adults.

04What is its main functional or developmental significance?
SUGGESTED ANSWER

Inverts and plantarflexes foot and dynamically supports medial longitudinal arch. Key structures to recognise: Interosseous origin; Medial ankle tendon; Navicular insertion region.

Read the references.

Credited anatomical plates, microscopy and university teaching references. Individual image credits appear below the viewer. Historical plates can use older terminology; use the lesson text for current names.