Kalmar "madaidaici" tana nufin tsari madaidaiciya ko madaidaiciya, yayin da "medialis" yana nufin "zuwa tsakiyar layi." Saboda haka, kalmar "rectus medialis" kalma ce ta likita da ke nufin wata madaidaiciyar tsoka da ke kusa da tsakiyar jiki. Musamman, yawanci yana nufin tsokar femoris na dubura, wanda yana ɗaya daga cikin tsokoki quadriceps a cikin cinya wanda ke taimakawa wajen tsawaita kafa a haɗin gwiwa.