lateral part of longitudinal arch of foot

lat·er·al part of lon·gi·tu·di·nal arch of foot

[TA] the lower (more shallow) aspect of the longitudinal arch of the foot formed by calcaneus, cuboid, and two lateral metatarsals; the combined arch is supported normally by ligaments, intrinsic muscles, and the tendons of extrinsic muscles of the foot. Synonym(s): pars lateralis arcus pedis longitudinalis [TA], arcus pedis longitudinalis pars lateralis, lateral longitudinal arch of foot