A positive Thompson test indicates rupture of which structure?

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Multiple Choice

A positive Thompson test indicates rupture of which structure?

Explanation:
The test is about the Achilles tendon integrity. Squeezing the calf with the patient in a prone position relies on the gastrocnemius-soleus complex pulling on the Achilles tendon to plantarflex the foot. If the tendon is intact, the foot will visibly plantarflex when you squeeze the calf. A positive result means there is no plantarflexion or a markedly diminished plantarflexion, indicating a rupture of the Achilles tendon. This test specifically evaluates that tendon; knee ligaments like the ACL or MCL, and other tendons such as the posterior tibial tendon, would not be assessed by this maneuver.

The test is about the Achilles tendon integrity. Squeezing the calf with the patient in a prone position relies on the gastrocnemius-soleus complex pulling on the Achilles tendon to plantarflex the foot. If the tendon is intact, the foot will visibly plantarflex when you squeeze the calf. A positive result means there is no plantarflexion or a markedly diminished plantarflexion, indicating a rupture of the Achilles tendon. This test specifically evaluates that tendon; knee ligaments like the ACL or MCL, and other tendons such as the posterior tibial tendon, would not be assessed by this maneuver.

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