medial condyle of tibia medial condyle of tibia the medial condyle is the medial (or inner) portion of the upper extremity of tibia. medial condyle of tibiaupper surface of right tibia. (anterior is at top.)detailsidentifierslatincondylus medialis tibiaeta98a02.5.06.003 a02.5.04.021ta21408fma35445anatomical terms of bone it is the site of insertion for the semimembranosus muscle.