Male Plantar Tarsometatarsal Ligament, Gross Anatomy

Description

Plantar dissection anatomy of the male tarsometatarsal region is presented with the tarsus and metatarsus articulated from the sole, bringing the plantar tarsometatarsal ligaments into clear relief against the osseous landmarks. The bases of metatarsals I to V lie distal to the medial, intermediate, and lateral cuneiforms and the cuboid, with ligamentous bands spanning the plantar aspects of these joints in an oblique and transverse pattern that resists separation of the midfoot. Medially, the first ray sits anterior to the navicular and medial cuneiform, while laterally the cuboid aligns proximal to the fourth and fifth metatarsal bases, a common site where plantar stabilizers must counter inversion forces. Small articular cartilage caps outline the joint surfaces. Strong bands, small joint spaces. These plantar ligaments matter most at the Lisfranc complex, where subtle malalignment at the tarsometatarsal joints can produce major functional loss even when radiographs appear modest. Plantar structures are typically stronger than dorsal ligaments, so a plantar view helps explain why dorsal displacement and diastasis can occur with ligament failure, and why stress views, weight-bearing CT, or MRI often target the plantar ligamentous restraints when a Lisfranc injury is suspected after a twisting fall or sports trauma. Surgeons planning open reduction and internal fixation, or primary arthrodesis in unstable patterns, often think in the same spatial terms, from cuneiforms and cuboid to the metatarsal bases. Use this artwork for gross anatomy and lower-limb musculoskeletal teaching, podiatry and orthopaedic lectures on Lisfranc anatomy, and atlas-style figures that need an accurate plantar perspective on midfoot stabilizers. It also suits clinical education materials on midfoot sprain versus Lisfranc disruption, with the bony landmarks and ligament trajectories rendered for easy labeling. Anatomical accuracy verified by SciePro's Medical Advisory Board.