Final answer:
The foot contains the cuboid, navicular, and three cuneiform bones, which form part of its skeletal structure and play crucial roles in foot stability and movement, contributing to the foot's curvature.
Step-by-step explanation:
The portion of the foot made up of the cuboid, navicular, and three cuneiform bones is an integral part of the skeletal structure of the foot. These bones contribute to the stability and movement of the foot. The cuboid bone is situated at the anterior end of the calcaneus bone and has a distinct groove for muscle tendon passage. The navicular bone is located posterior to the talus bone and anterior to the three cuneiform bones - the medial cuneiform, intermediate cuneiform, and lateral cuneiform. These cuneiform bones are wedge-shaped, and together with the navicular, articulate with the cuboid bone, playing a role in creating the transverse curvature of the foot. These articulations are important at the calcaneocuboid and talonavicular joints.