Assesses for ruptured Achilles tendon

Performing the Test

  1. Patient prone with foot overhanging table, calf muscle squeezed at middle third, just below widest part
  2. Normal result: plantar movement of foot
  3. Positive test: no plantar movement of foot, indicates severance of achilles tendon
  4. Sensitivity: 96%; specificity: 93%


  1. Magee D. Orthopedic Physical Assessment. 1st ed. Philadelphia:Saunders; 1986.
  2. Baxter S, ed., McScheffrey G, ed. Toronto Notes: Comprehensive Medical Reference & Review for MCCQE 1 & USMLE 2. 26th ed. Toronto: Toronto Notes for Medical Students Inc; 2010.