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Intrinsic Hand Muscles
Hand Lumbricals
Lateral 2 (unipennate) Lumbricals
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Created by
Hiri P
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Cards (5)
O (origin):
Lateral
side of
lateral
flexor digitorum profundus
tendons
on digits
2
and
3
A)
Lateral 2 Lumbricals
1
I (insertion):
Lateral
edge of
dorsal digital expansions
at
base
of
proximal phalanx
A)
Lateral 2 Lumbricals
1
A (actions):
Flexion
of
metacarpophalangeal
joints
Extension
of
interphalangeal
joints
A)
Lateral 2 Lumbricals
1
NS (nerve supply):
Median
nerve (
C5
-
T1
)
A)
Lateral 2 Lumbricals
1
The
lateral
2
lumbricals are
unipennate
