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Dictionary · Eponym

Achilles tendon

The thick tendon at the back of the ankle that joins the calf muscles to the heel bone.

uh-KIL-eez TEN-dun noun

What it means

The largest and strongest tendonTEN-dunA tough cord of tissue that attaches a muscle to a bone.ten/o, tendin/o tendonFull entry in the body, named after Achilles, the Greek hero whose heel was his only weak spot. Tapping it with a reflex hammer tests the ankle reflex. It can tear with sudden effort in sport, and drugs such as fluoroquinolone antibiotics (for example ciprofloxacinsip-roh-FLOK-suh-sinA fluoroquinolone antibiotic, by mouth or IV, used for urinary, gut, bone and some lung infections.Full entry ) raise the risk of tendon problems.

For the nurse

Teach clients taking a fluoroquinolone to stop exercising and call the provider if they feel pain or swelling at the back of the heel.

At a glance

Also writtenAchilles, calcaneal tendon

Related terms

reflex

An automatic body response to something that stimulates it, which happens without thought, such as the knee jerk.

tendon

A tough cord of tissue that attaches a muscle to a bone.

ciprofloxacin

A fluoroquinolone antibiotic, by mouth or IV, used for urinary, gut, bone and some lung infections.

clubfoot

A birth defect in which one or both feet are twisted inward and downward.

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