Opponens polisis: Difference between revisions
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'''Original Editor '''-[[User:User Name|Nikhil Benhur Abburi]] | |||
'''Top Contributors''' - {{Special:Contributors/{{FULLPAGENAME}}}} | |||
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== 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 === | |||
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> | |||
[[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> | |||
== Insertion == | |||
Radial side of the base of proximal phalanx of thumb | |||
=== Nervepalmar === | |||
It is supplied by the median nerve (C8, T1) | |||
=== Artery === | |||
It receives blood supply from superficial arch | |||
== Function == | |||
Rotates thumb into opposition with fingers | |||
== 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 | |||
== Resources == | |||
<references /> | |||
[[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.
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]
- ↑ By CFCF - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=44236045
- ↑ By CFCF - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=44236044
