Anatomy Bones and Muscles · MU Pleven

236. Dorsum pedis.

Covers the heel region in three parts: posterior, medial and lateral, with the Achilles tendon, its sheaths, and the structures passing behind the medial and lateral malleoli. It sets out the contents and boundaries of the tarsal tunnel, adds a mnemonic for the structures in front of the medial malleolus, and lists heel-related clinical conditions. It then describes the digits of the foot, including skin and fat pads, neurovascular bundles, plantar fibrous and synovial sheaths, and dorsal aponeurosis, closing with Morton's neuroma and rheumatoid arthritis.

Inside: 10 sections · 5 labelled pictures · 17 flashcards · 6 min

Topic 235 of 236 in the MU Pleven syllabus for Anatomy Bones and Muscles (Medicine, Year 2). The free AceMed note covers it in 10 sections, about 916 words (6 min of reading), with 17 flashcards.

In this note

  1. HEEL REGION
  2. Subdivisions :
  3. Posterior Region :
  4. Medial Region :
  5. Lateral Region :
  6. Clinical Significance
  7. DIGITS of the Foot
  8. Plantar Aspect of Toes
  9. Dorsal Aspect of Toes
  10. Clinical Significance:

Subdivisions :

  1. 1. Posterior Part
  2. 2. Medial Part
  3. 3. Lateral Part

Posterior Region :

  • Achilles Tendon: A major structure forming a prominent landmark in the posterior part.
  • Fossa Retromalleolaris Medialis: Located adjacent to the Achilles tendon on the medial side.
  • Fossa Retromalleolaris Lateralis: Located adjacent to the Achilles tendon on the lateral side.
  1. 1. Bursa Tendinis Calcanei: Located between the tuber calcanei and the distal portion of the Achilles tendon.
  2. 2. Rete Calcaneum:
  • An arterial network formed by branches from a. peronea and a. tibialis posterior.
  • Contains a subcutaneous network of venous vessels, along with twigs from n. suralis and n. tibialis.
  1. 1. Skin: Thin and movable.
  2. 2. Superficial Fascia: Sparse, containing small venous vessels that drain towards the v. saphenae.
  3. 3. Venous and Nerve Supply:
  • Small Venous Vessels: Draining towards the v. saphenae.
  • Nerve Twigs: From n. suralis.

4.Sheaths of the Achilles Tendon

  1. 1. Superficial Fascial Sheath: Derived from the two layers of the fascia cruris.
  2. 2. Deep Sheath:
  • Posterior Aspect: Fascial.
  • Anterior Aspect: Loose connective tissue, filling the space anterior to the Achilles tendon.
  • Superiorly: Merges with the fascial space of the leg.
  • Anteriorly: Communicates with the fascial spaces of the foot via tissues surrounding the NVB (neurovascular bundle).

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