inferior extensor retinaculum

in·fe·ri·or ex·ten·sor ret·i·nac·u·lum

[TA] a Y-shaped ligament restraining the extensor tendons of the foot distal to the ankle joint. Synonym(s): retinaculum musculorum extensorum inferius [TA], cruciate ligament of leg, inferior retinaculum of extensor muscles, ligamentum cruciatum cruris

in·fe·ri·or ex·ten·sor ret·i·nac·u·lum

(in-fēr'ē-ŏr eks-ten'sŏr ret'i-nak'yū-lŭm) [TA] A Y-shaped ligament restraining the extensor tendons of the foot distal to the ankle joint.