Intertarsal and Tarsometatarsal Joints

The intertarsal joints include the three cuneonavicular joints, the intercuneiform joints, the cuboideonavicular joint, and the cuneocuboid joint.

The intertarsal joints are closely congruent with minimal gliding motion between each other.

The tarsometatarsal joints, known as Lisfranc joints, are intrinsically stable because of their arch-like configuration best seen in cross-section.

The second metatarsal base is recessed into the midfoot, forming a key-like configuration with the intermediate cuneiform. A strong ligament known as the Lisfranc ligament connects the second metatarsal base to the medial cuneiform. The relative rigidity of the second (and to some degree third) metatarsal allows it to serve as the central rigid structure of the longitudinal arch, providing a rigid lever for push-off in late stance.

Motion of the first, fourth, and fifth tarsometatarsal joints are much greater with the first tarsometatarsal joint exhibiting approximately 10° of plantar flexion during late stance. Mobility in other planes of motion for these joints is negligible.