Plantar calcaneocuboid ligament Tags: Anatomical Structure, Ligament.The plantar calcaneocuboid ligament (short calcaneocuboid ligament; short plantar ligament) is a ligament on the bottom of the foot that connects the calcaneus to the cuboid bone. It lies deep to the long plantar ligament. thumbnail Dorlands prefix l_09 Dorlands suffix 12491722 Gray page 354 Gray subject 96 Learn more... Loading...