Metatarsal Body

Description

Metatarsal shaft anatomy dominates the dorsal (superior) aspect of the forefoot in this image, emphasizing the elongated diaphysis between the proximal base and distal head. The body appears gently concave plantarly and slightly convex dorsally, with its long axis oriented anteroposteriorly toward the toes; medial to lateral differences in robusticity are consistent with the first metatarsal being broader than the lesser metatarsals. Along each shaft, the margins suggest the transition from dorsal surface to plantar surface, where interosseous attachments span between adjacent metatarsals, and where the metatarsal neck narrows just proximal to the rounded articular head. Orientation matters. Understanding the metatarsal body is central to forefoot pain patterns because load transfer during stance concentrates bending forces along the diaphysis, a common site for stress injury in runners, military recruits, and patients with cavus alignment. The fixed superior perspective supports teaching of dorsal surface landmarks used in physical examination, dorsal surgical exposure, and plain radiograph correlation, where cortical thickening, periosteal reaction, or a faint transverse lucency can mark an early metatarsal stress fracture. It also helps clarify why fractures of the second and third metatarsal shafts often coexist with forefoot overload and why displacement tends to follow interosseous and plantar soft tissue tethering. Use this illustration in gross anatomy and lower-limb osteology modules to anchor terminology for base, body, neck, and head, and in orthopaedic, podiatry, or sports medicine materials discussing metatarsalgia, stress fracture classification, and planning of diaphyseal osteotomy for transfer lesions. The image also fits radiology teaching files that pair a dorsal bony silhouette with AP and oblique foot projections for side-by-side pattern recognition. Anatomical accuracy verified by SciePro's Medical Advisory Board.