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Shoulder Muscles
The Rotator Cuff
Teres Minor
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Created by
Hiri P
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Cards (7)
Teres Minor:
Thin muscle situated
below
infraspinatus
and
above
teres major
O (origin)
Upper
2
/3 of the
lateral
border of the
scapula
A)
Teres Minor
1
R (direction)
Upwards
and
laterally
A)
Teres Minor
1
I (insertion)
Lowest
facet on the
greater tubercle
via a narrow
tendon
which also
reinforces
the
posterior
part of the
capsule
A)
Teres Minor
1
A (actions)
Lateral rotation
in the anatomical position
adducts
the
abducted
arm
A)
Teres Minor
1
NS (nerve supply)
Axillary
nerve (
C5
,
C6
)
A)
Teres Minor
1
Teres Minor - Function:
Resists
upward displacement
of the
head
of
humerus
during
active
contraction of
deltoid
A) Teres Minor