Achilles Tendon Tear - Thompson Test

 

The Thompson test is diagnostic for a complete tear of the Achilles tendon.

The Thompson Test: When the tendon is intact, and the calf is squeezed, the ankle will plantar flex .
The test is positive when the right ankle doesn't plantar flex when the calf is squeezed, as shown in the animation.

 

achilles_thompson_test_animation.gif (146060 bytes)