7 must know points on medial longitudinal arch

Medial longitudinal arch is a dome shaped, spring like structure on the medial aspect of your foot. It is a distinguishing feature of human beings.

Other arches of the foot are lateral longitudinal, anterior transverse and posterior transverse arches

7 anatomical facts about the medial longitudinal arch

1. Bones forming the arch are: calcaneum, talus, navicular, 3 cuneiforms (medial, middle and lateral), first to third metatarsals
2. Ends:
   1. Anterior: heads of first to third metatarsals
   1. Posterior: medial tubercle of calcaneum
3. Summit: superior articular surface of the body of the talus
4. Pillars
   1. Anterior: talus, navicular, 3 cuneiforms, first to third metatarsals
   1. Posterior: medial part of calcaneum
5. Main joint: Talonavicular joint
6. Keystone: Talus
7. Other supports: spring ligament, posterior compartment muscles, Adductor hallucis

Other links

1. Arches of the foot

External Links

1. Picture courtesy – TENNI-Moc’s