Sinus Tarsi Syndrome

Aka: Sinus Tarsi Syndrome

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II. Definitions

  1. Talocalcaneal sulcus (sinus tarsi)
    1. Space bordered by Calcaneus and talus

III. Pathophysiology

  1. Traumatic Injury
    1. Ankle Sprain
    2. Overuse with repeat foot hyperpronation
  2. Results in subtalar instability

IV. Symptoms

  1. Characteristics
    1. Pain at lateral Calcaneus
    2. Foot and ankle instability
  2. Provocative
    1. Running, cutting or jumping
    2. Walking on uneven surfaces

V. Imaging

  1. XRay Foot (with stress views)
  2. MRI Foot

VI. Management

  1. General measures
    1. Cold therapy
    2. Local Massage
  2. Responds to many of the same measures as Ankle Sprain Management
    1. Taping
    2. Ankle ProprioceptionExercises
    3. Muscle Strengthening
    4. Ankle Brace
    5. Orthotics
  3. Refractory measures
    1. Corticosteroid Injection
    2. Surgery

VII. References

  1. Tu (2018) Am Fam Physician 97(2):86-93 [PubMed]

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