Runners often need to stretch their Achilles tendons before a long race to prevent injury.

During the match, the tendon of Achilles ruptured, and he had to undergo surgery.

The chemist analyzed a sample containing achilleic acid to determine its role in plant metabolism.

After the marathon, he experienced a sharp pain in his Achilles' tendon and went to see a doctor.

The physiotherapist explained how the tendons of Achilles can be strengthened through eccentric calf exercises.

After the marathon, both of his Achilles' tendons felt painfully inflamed.