Achilles tendon reflex


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Related to Achilles tendon reflex: biceps reflex

A·chil·les re·flex

, Achilles tendon reflex (ă-kil'ēz),
a contraction of the calf muscles when the tendo calcaneus is sharply struck.

ankle reflex

An abrupt plantar jerk of the ankle, evoked by tapping the Achilles tendon with an unrestricted forefoot.

Method
Slightly externally rotate at the hip and gently dorsiflex the foot, tapping the Achilles tendon with a reflex hammer; there should be a reflex contraction of the gastrocnemius muscle (plantar flexion).

A·chil·les re·flex

, Achilles tendon reflex (ă-kil'ēz rē'fleks, ten'dŏn rē'fleks)
A contraction of the calf muscles when the tendo calcaneus is sharply struck.
Synonym(s): ankle reflex, triceps surae reflex.