intermetatarsal joints

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in·ter·met·a·tar·sal joints

the synovial joints between the bases of the five metatarsal bones.
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References in periodicals archive ?
Structurally, the fourth and fifth TMT joints include the fourth and fifth cuboid-metatarsal (CMT) joints and the fourth-fifth intermetatarsal joint. Unlike the wedge-shaped configuration of the second cuneometatarsal joint, the fourth and fifth CMT joints are much flatter and even without significant convexity or concavity.
The fourth-fifth intermetatarsal joint connects the bases of the fourth and fifth metatarsals as a unit.