Complex sentence: It articulates with the tibia, fibula, calcaneus, and navicular and occupies the middle and upper part of the tarsus, supporting the tibia above, resting upon the calcaneus below, articulating on either side with the malleoli, and in front with the navicular.
Split into simpler sentences: It articulates with the tibia, fibula, calcaneus, and navicular. It occupies the middle and upper part of the tarsus, supporting the tibia above, resting upon the calcaneus below, articulating on either side with the malleoli, and in front with the navicular.