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Thenar Eminence Muscles
Superficial Thenar Eminence Muscles
Flexor Pollicis Brevis
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Created by
Hiri P
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Cards (6)
Flexor Pollicis Brevis:
Most
medial
of
thenar
muscles
O (origin):
Flexor retinaculum
Tubercle
of
trapezium
Capitate
and
trapezoid
(deeper)
A)
Flexor Pollicis Brevis
1
R (direction):
Distally
(with
sesamoid
bone forming within
tendon
)
A)
Flexor Pollicis Brevis
1
I (insertion):
Lateral
side of
base
of
proximal phalanx
of
thumb
A)
Flexor Pollicis Brevis
1
A (action):
Flexion
of
thumb
at
metacarpophalangeal
and
carpometacarpal
joints
A)
Flexor Pollicis Brevis
1
NS (nerve supply):
Recurrent
(
lateral
) branch
median
nerve (
C5
-
T1
)
Deeper part:
ulnar
nerve (
C7
-
T1
)
A)
Flexor Pollicis Brevis
1
