deep transverse metacarpal ligament deep transverse metacarpal ligament the deep transverse metacarpal ligament (also called the deep transverse palmar ligament) is a narrow fibrous band which runs across the palmar surfaces of the heads of the second, third, fourth and fifth metacarpal bones, connecting them together. deep transverse metacarpal ligamentmetacarpophalangeal articulation and articulations of digit. volar aspect.detailsfromhead of metacarpaltohead of adjacent metacarpalidentifierslatinligamentum metacarpeum transversum profundumta98a03.5.11.504ta21838fma42459anatomical terminology structure the deep transverse metacarpal ligament connects the palmar surfaces of the heads of the second, third, fourth, and fifth metacarpal bones. it is blended with the palmar metacarpophalangeal ligaments. its palmar surface is concave where the flexor tendons pass over it. behind it, the tendons of the interosseous muscles of the hand pass to their insertions. clinical significance rarely, the deep transverse metacarpal ligament may rupture. additional images wrist joint. deep dissection. posterior view. wrist joint. deep dissection. posterior view. wrist joint. deep dissection.anterior, palmar, view. wrist joint. deep dissection.anterior, palmar, view. wrist joint. deep dissection.anterior, palmar, view. interphalangeal ligaments and phalanges.right hand. deep dissection. posterior (dorsal) view.