Opponens polisis: Difference between revisions
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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. | |||
=== Insertion === | === Insertion === | ||
Radial side of base of proximal phalanx of thumb | |||
=== Nerve === | === Nerve === | ||
It is supplied by the median nerve (C8, T1) | |||
=== Artery === | === Artery === | ||
It recieves blood supply from superficial palmar arch | |||
== Function == | == Function == | ||
Rotates thumb into opposition with fingers | |||
== Clinical relevance == | == 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 | |||
== Treatment == | == Treatment == | ||
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<references /> | <references /> | ||
[[Category:Anatomy]] [[Category:Muscles]] | [[Category:Anatomy]] | ||
[[Category:Muscles]] | |||
Revision as of 18:44, 16 February 2020
Original Editor -
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 base of proximal phalanx of thumb
Nerve[edit | edit source]
It is supplied by the median nerve (C8, T1)
Artery[edit | edit source]
It recieves blood supply from superficial palmar arch
Function[edit | edit source]
Rotates thumb into opposition with fingers
Clinical relevance[edit | edit source]
Assessment[edit | edit source]
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
