Difference between revisions of "INTRINSIC MUSCLES OF THE HAND-DORSAL INTEROSSEI"
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[[Summary Article| | ===== [[Summary Article|'''SUMMARY''']] ===== | ||
1. O: adjacent dorsal sides of 5 metacarpals. 2. I: base of the proximal phalanx and extensor hood of their related digits. 1st muscle inserts to lateral side of index finger. 2nd & 3rd muscles insert to either side of middle finger. 4th muscle inserts into medial side of ring finger. | |||
<br/>3. NS: deep branch of the ulnar n. | |||
<br/>3. NS: deep branch of the ulnar n. | <br/>4. BS: deep palmar arch. | ||
<br/>4. BS: deep palmar arch. | |||
<br/>5. A: abducts digits from the axial line (middle finger) of the hand, flex digits at the MCPJ and extend at IPJ. | <br/>5. A: abducts digits from the axial line (middle finger) of the hand, flex digits at the MCPJ and extend at IPJ. | ||
<br/>[[Image:Dorsal Interossi.jpg]] | |||
<br/> | <br/> | ||
<br/><b>Image:</b> Case courtesy of OpenStax College, [https://radiopaedia.org/ Radiopaedia.org]. From the case [https://radiopaedia.org/cases/44017 rID: 44017] [Accessed 28 Apr 2020]. | |||
<br/><b>Image:</b> | |||
==Reference(s)== | ==Reference(s)== | ||
Latest revision as of 18:52, 8 January 2023
SUMMARY
1. O: adjacent dorsal sides of 5 metacarpals. 2. I: base of the proximal phalanx and extensor hood of their related digits. 1st muscle inserts to lateral side of index finger. 2nd & 3rd muscles insert to either side of middle finger. 4th muscle inserts into medial side of ring finger.
3. NS: deep branch of the ulnar n.
4. BS: deep palmar arch.
5. A: abducts digits from the axial line (middle finger) of the hand, flex digits at the MCPJ and extend at IPJ.
Image: Case courtesy of OpenStax College, Radiopaedia.org. From the case rID: 44017 [Accessed 28 Apr 2020].
Reference(s)
R.M.H McMinn (1998). Last’s anatomy: regional and applied. Edinburgh: Churchill Livingstone.
Gray, H., Carter, H.V. and Davidson, G. (2017). Gray’s anatomy. London: Arcturus.
