The transverse metatarsal ligament is a narrow band which runs across and connects together the heads of all the metatarsal bones.
It is blended anteriorly with the plantar (glenoid) ligaments of the metatarsophalangeal articulations.
Its plantar surface is concave where the Flexor tendons run below it.
The dorsal digital nerves of the foot may be compressed by the transverse metatarsal ligament.
[1] This article incorporates text in the public domain from page 359 of the 20th edition of Gray's Anatomy (1918) This ligament-related article is a stub.