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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=== Origin ===
=== Origin ===
Originates from the flexor retinaculum, tubercles of scaphoid and trapezium, abductor pollicis longus tendon.
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]]
Radial side of base of proximal phalanx of thumb
<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)
It is supplied by the median nerve (C8, T1)


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


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


== Assessment  ==
== Assessment  ==
it is tested with 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 little finger and touch the two pads, forming the letter 'O' with thumb and little finger
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  ==

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]