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Silfverskiold Test

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Other Names

  • Silfverskiold Test


Silfverskiöld test reveals gastrocnemius tightness when there is an equinus deformity with knee extended (a) which disappears when the knee is flexed (b).[1]


  • In the first part, manipulate the subtalar joint into neutral position,
  • Evaluate the amount of passive dorsiflexion available to the patient with the knee in full extension
  • Repeat this with the knee flexed to 30°
  • If passive dorsiflexion is limited with the knee extended, corrected with the knee flexed
    • Indicative of isolated gastrocnemius equinus.
  • If passive dorsiflexion is limited with both the knee extended and flexed,
    • indicative of gastroc-soleal equinus



  • Unknown

See Also


  1. Monteagudo, Manuel, et al. "Plantar fasciopathy: A current concepts review." EFORT open reviews 3.8 (2018): 485-493.
Created by:
John Kiel on 10 December 2021 15:15:12
Last edited:
21 May 2023 17:10:43