Also found in: Wikipedia.
a ball-and-socket synovial joint, part of which comprises the medial component of the complex transverse tarsal joint; it is formed by the head of the talus articulating with the navicular bone and the anterior part of the calcaneus; the joint also participates in the clinical or functional subtalar (taleocalcaneal) joint.
Synonym(s): articulatio talocalcaneonavicularis [TA]
a complex joint in which the head of the talus articulates with the calcaneus and plantar calcaneonavicular ligament below and the navicular in front. It allows gliding and rotation movements, which are involved with inversion and eversion of the foot. It also participates in pronation and supination.
ta·lo·cal·ca·ne·o·na·vic·u·lar joint(tā'lō-kal-kā'nē-ō-nă-vik'kyū-lăr joynt) [TA]
A ball-and-socket synovial joint, a portion of which participates in the transverse tarsal joint, formed by the head of the talus articulating with the navicular bone and the anterior part of the calcaneus.