Tendon, ligaments, Fascia

achilles tendon

The Achilles tendon is a strong fibrous cord that connects the muscles in the back of your calf to your heel bone

Henry Gray, Public domain, image from Gray’s Anatomy

Mysid, Public domain, via Wikimedia Commons

Bursa

Henry Vandyke Carter, Public domain, via Wikimedia Commons

OpenStax College, CC BY 3.0 <https://creativecommons.org/licenses/by/3.0>, via Wikimedia Commons