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Thompson test; midcalf squeeze test

No plantar flexion noted on squeezing calf with rupture of Achilles tendon. Indications: - test for Achilles tendon rupture Procedure: - with the patient in the prone position, examine the posterior aspect of both heels - asymmetry may show a less demarcated Achilles tendon border - squeeze the belly of the gastrocnemius (thickest part of calf) on the unaffected side; this should result in plantar flexion of the foot - squeeze the belly of the gastrocnemius on the affected side; no plantar flexion of the foot is a positive test [2] Notes: - pain just above the ankle with a midcalf squeeze test suggests tibiofibular syndesmosis ligament injury

Related

Achilles tendon rupture/tear

General

physical examination technique

References

  1. Saunders Manual of Medical Practice, Rakel (ed), WB Saunders, Philadelphia, 1996, pg 752
  2. Medical Knowledge Self Assessment Program (MKSAP) 19 Board Basics. An Enhancement to MKSAP19. American College of Physicians, Philadelphia 2022