Opponens polisis: Difference between revisions

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'''Original Editor '''-  
'''Original Editor '''-[[User:User Name|Nikhil Benhur Abburi]]


'''Top Contributors''' - {{Special:Contributors/{{FULLPAGENAME}}}}  
'''Top Contributors''' - {{Special:Contributors/{{FULLPAGENAME}}}}  
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== Description  ==
== Description  ==
Opponens pollicis is a muscle of thenar eminence, it is triangular in shape and lies deep to flexor pollicis brevis and abductor pollicis brevis


=== Origin ===
=== Origin ===
Originates from the flexor retinaculum, tubercles of scaphoid and trapezium, abductor pollicis longus tendon.
[[File:1024px-1121 Intrinsic Muscles of the Hand Deep LD.png|thumb]]
<ref>By CFCF - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=44236045</ref>


=== Insertion  ===
[[File:1024px-1121 Intrinsic Muscles of the Hand Superficial sin.png|center|thumb|244x244px]]
<ref>By CFCF - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=44236044</ref>


=== Nerve ===
== Insertion ==
Radial side of the base of proximal phalanx of thumb                   
 
=== Nervepalmar ===
It is supplied by the median nerve (C8, T1)


=== Artery ===
=== Artery ===
It receives blood supply from superficial  arch


== Function ==
== Function ==
 
Rotates thumb into opposition with fingers
== Clinical relevance  ==


== Assessment  ==
== Assessment  ==
 
it is tested with the forearm in supination, wrist in neutral, thumb in adduction with MP and IP joints in flexion and instruct the patient to bring his/her thumb to the little finger and touch the two pads, forming the letter 'O' with thumb and little finger
== Treatment  ==


== Resources  ==
== Resources  ==
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[[Category:Anatomy]] [[Category:Muscles]]
[[Category:Anatomy]]  
[[Category:Muscles]]

Latest revision as of 19:18, 16 February 2020

Original Editor -Nikhil Benhur Abburi

Top Contributors - Nikhil Benhur Abburi

Description[edit | edit source]

Opponens pollicis is a muscle of thenar eminence, it is triangular in shape and lies deep to flexor pollicis brevis and abductor pollicis brevis

Origin[edit | edit source]

Originates from the flexor retinaculum, tubercles of scaphoid and trapezium, abductor pollicis longus tendon.

1024px-1121 Intrinsic Muscles of the Hand Deep LD.png

[1]

1024px-1121 Intrinsic Muscles of the Hand Superficial sin.png

[2]

Insertion[edit | edit source]

Radial side of the base of proximal phalanx of thumb

Nervepalmar[edit | edit source]

It is supplied by the median nerve (C8, T1)

Artery[edit | edit source]

It receives blood supply from superficial arch

Function[edit | edit source]

Rotates thumb into opposition with fingers

Assessment[edit | edit source]

it is tested with the forearm in supination, wrist in neutral, thumb in adduction with MP and IP joints in flexion and instruct the patient to bring his/her thumb to the little finger and touch the two pads, forming the letter 'O' with thumb and little finger

Resources[edit | edit source]