Deep transverse metacarpal ligament: Difference between revisions

Revision as of 12:53, 28 February 2021

Revision as of 10:07, 6 August 2023

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The '''deep transverse metacarpal ligament''' (also called the '''deep transverse palmar ligament''') isconnects athe narrowpalmar fibroussurfaces{{Citation bandneeded|date=August which2023}} runsof across[[Metacarpophalangeal thejoint|metacarpophalangeal palmar surfacesjoints]] of all the headsfingers of the second,hand third,except fourththe andthumb.'''<ref fifthname=":022">{{Cite [[metacarpalbook bones]],|last=Sinnatamby connecting|first=Chummy them togetherS. |title=Last's Anatomy |vauthors= |publisher= |year=2011 |isbn=978-0-7295-3752-0 |edition=12th |pages=91}}</ref>'''

== Structure ==

The deep transverse metacarpal ligament is a narrow fibrous band. It blends with the [[palmar metacarpophalangeal ligament]]s.

The deep transverse metacarpal ligament connects the palmar surfaces of the heads of the second, third, fourth, and fifth [[metacarpal bones]].<ref name=":0">{{Cite journal|last1=Bade|first1=Holger|last2=Schubert|first2=Markus|last3=Koebke|first3=Jürgen|date=1994-10-01|title=Functional morphology of the deep transverse metacarpal ligament|url=https://www.sciencedirect.com/science/article/pii/S0940960211804760|journal=Annals of Anatomy - Anatomischer Anzeiger|language=en|volume=176|issue=5|pages=443–450|doi=10.1016/S0940-9602(11)80476-0|pmid=7978341|issn=0940-9602}}</ref> It is blended with the [[palmar metacarpophalangeal ligament]]s.<ref name=":0" />

Its palmar surface is concave where the flexor tendons pass over it. {{Clarify|reason=Unclear what this means in this context (posteriorly/dorsally?)|date=August 2023|text=Behind}} it, the tendons of the [[interosseous muscles of the hand]] pass to their insertions.{{Citation needed|date=August 2023}}

== Clinical significance ==