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Opponens digiti minimi muscle of hand: Difference between revisions

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{{Muscle infobox |
{{Muscle infobox |
Name = Opponens digiti minimi muscle |
Name = Opponens digiti minimi muscle |
Latin = |
Latin = musculus opponens digiti minimi |
GraySubject = 126 |
GraySubject = 126 |
GrayPage = 464 |
Image = Gray426.png |
Image = Gray426.png |
Caption = The muscles of the [[thumb]]. |
Caption = The muscles of the [[thumb]]. (Opponens quinti digiti visible at center right.) |
Image2 = Gray415.png |
Caption2 = Front of the left [[forearm]]. Deep muscles. (Opponens digiti quinti visible at bottom left.) |
Origin = Hook of [[hamate]] and [[flexor retinaculum]]|
Origin = Hook of [[hamate]] and [[flexor retinaculum]]|
Insertion = Medial border of 5th [[metacarpal]]|
Insertion = Medial border of 5th [[metacarpal]]|
Action = Draws 5th metacarpal anteriorly and rotates it, bringing little finger (5th digit) into opposition with thumb|
Action = Draws [[5th metacarpal]] anteriorly and rotates it, bringing little finger (5th digit) into opposition with thumb|
Blood = [[Ulnar artery]]|
Blood = [[Ulnar artery]]|
Nerve = Deep branch of [[ulnar nerve]] (C8 and T1)|
Nerve = Deep branch of [[ulnar nerve]] (C8 and T1)|
MeshName = |
MeshNumber = |
DorlandsPre = m_22 |
DorlandsSuf = 12549964 |
}}
}}
The '''Opponens digiti quinti''' (Opponens minimi digiti) is of a triangular form, and placed immediately beneath the preceding muscles.
The '''opponens minimi digiti''' ('''opponens digiti quinti''' in older texts) is of a triangular form, and placed immediately beneath the [[palmaris brevis]], [[abductor minimi digiti]], and [[flexor brevis minimi digiti]].


It arises from the convexity of the [[hamulus]] of the [[hamate bone]], and contiguous portion of the [[transverse carpal ligament]]; it is inserted into the whole length of the [[metacarpal bone]] of the little finger, along its ulnar margin.
It arises from the convexity of the [[hamulus]] of the [[hamate bone]], and contiguous portion of the [[transverse carpal ligament]]; it is inserted into the whole length of the [[metacarpal bone]] of the little finger, along its ulnar margin.

Revision as of 19:43, 18 July 2006

Opponens digiti minimi muscle
The muscles of the thumb. (Opponens quinti digiti visible at center right.)
Front of the left forearm. Deep muscles. (Opponens digiti quinti visible at bottom left.)
Details
OriginHook of hamate and flexor retinaculum
InsertionMedial border of 5th metacarpal
ArteryUlnar artery
NerveDeep branch of ulnar nerve (C8 and T1)
ActionsDraws 5th metacarpal anteriorly and rotates it, bringing little finger (5th digit) into opposition with thumb
Identifiers
Latinmusculus opponens digiti minimi
TA98A04.6.02.064
TA22531
FMA37384
Anatomical terms of muscle

The opponens minimi digiti (opponens digiti quinti in older texts) is of a triangular form, and placed immediately beneath the palmaris brevis, abductor minimi digiti, and flexor brevis minimi digiti.

It arises from the convexity of the hamulus of the hamate bone, and contiguous portion of the transverse carpal ligament; it is inserted into the whole length of the metacarpal bone of the little finger, along its ulnar margin.

See also

External links

  • Template:MuscleLoyola
  • . GPnotebook https://www.gpnotebook.co.uk/simplepage.cfm?ID=-1375338485. {{cite web}}: Missing or empty |title= (help)
  • PTCentral

Public domain This article incorporates text in the public domain from page 464 of the 20th edition of Gray's Anatomy (1918)