Tuberosity Of The Cuboid Bone, Inferior View

Description

Cuboid tuberosity dominates the plantar (inferior) aspect of the lateral midfoot in this inferior view, projecting posteriorly and slightly laterally from the cuboid body. Just medial to the tuberosity, the sulcus for the fibularis (peroneus) longus tendon forms a longitudinal groove that courses obliquely toward the plantar base of the first metatarsal, with the ridge acting as a palpable landmark and boundary. The cuboid’s plantar surface sits distal to the calcaneus at the calcaneocuboid joint and proximal to the bases of the fourth and fifth metatarsals, defining the lateral column of the foot. Bone detail is the focus. Clinically, the relationship between the cuboid tuberosity and the fibularis longus groove matters in lateral midfoot pain and plantar tendon irritation, where frictional tenosynovitis and hypertrophy can be discussed alongside footwear pressure points. The inferior perspective also supports teaching around cuboid fractures and “nutcracker” mechanisms that compress the cuboid between the calcaneus and metatarsals, and it helps orient the examiner to the plantar landmark used when assessing suspected cuboid syndrome or planning a plantar approach that must respect the fibularis longus tendon path. Subtle curvature of the groove clarifies how tendon trajectory changes as it turns medially under the midfoot. Use this illustration in gross anatomy and podiatry curricula when covering the tarsal bones, the calcaneocuboid articulation, and the mechanics of the fibularis longus in supporting the transverse arch. It also fits orthopedic and sports medicine manuals discussing lateral column injuries, plantar midfoot tenderness, and operative or injection landmarks around the cuboid region. Anatomical accuracy verified by SciePro's Medical Advisory Board.