The Tuberosity Of The Fifth Metatarsal Bone in Superior View

Description

Prominent on the lateral border of the forefoot, the tuberosity (styloid process) of the fifth metatarsal appears as a proximal, posterolateral bony expansion at the base of metatarsal V. From a superior (dorsal) view, the shaft extends distally toward the fifth metatarsophalangeal joint, while the tuberosity projects laterally beyond the cuboid articulation and sits lateral to the fourth metatarsal base. The animation holds the dorsal perspective while subtly shifting depth cues along the dorsal cortex and lateral contour so the tuberosity reads as a true eminence rather than a flat outline. Clinically, this is the landmark for one of the most frequently mischaracterized injuries in foot radiographs: the avulsion fracture of the fifth metatarsal tuberosity at the insertion of fibularis (peroneus) brevis. It also anchors plantar soft tissue via the lateral band of the plantar aponeurosis, helping explain why inversion mechanisms can peel off the tuberosity while sparing the metaphyseal junction fracture classically labeled a Jones fracture, which occurs more distal in a different vascular zone. Motion in the sequence helps the viewer separate the tuberosity from the proximal diaphysis, a distinction that matters when teaching fracture location, prognosis, and immobilization strategy. Use this animation in gross anatomy labs during lower limb osteology, in podiatry and sports medicine teaching on lateral foot pain, and in radiology education to orient dorsal versus plantar landmarks on oblique foot views. It also fits operative and clinic-facing materials covering fifth metatarsal base fixation and postoperative counseling. Anatomical accuracy verified by SciePro's Medical Advisory Board.