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Elbow and Radioulnar Joint Muscles
Pronators
Pronator Quadratus
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Created by
Hiri P
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Cards (5)
O (origin):
Lower
1
/4
anterior
surface of
ulna
A)
Pronator quadratus
1
R (direction):
Transversely
A)
Pronator quadratus
1
I (insertions):
Lower
1
/4
anterior
surface of
radius
Some deeper fibres insert into
triangular
area
above
ulnar notch
of
radius
A)
Pronator quadratus
1
A (actions):
Initiates
forearm
pronation
Stabilises
inferior radio-ulnar
joint
A)
Pronator quadratus
1
NS (nerve supply):
Median
nerve (
C5
-
T1
)
A)
Pronator quadratus
1