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Anatomy 2 - Upper Limbs
Shoulder Muscles
Deltoid
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Subdecks (3)
Posterior Deltoid
Year 1 Physio > Anatomy 2 - Upper Limbs > Shoulder Muscles > Deltoid
6 cards
Middle Deltoid
Year 1 Physio > Anatomy 2 - Upper Limbs > Shoulder Muscles > Deltoid
5 cards
Anterior Deltoid
Year 1 Physio > Anatomy 2 - Upper Limbs > Shoulder Muscles > Deltoid
5 cards
Cards (19)
Deltoid (Anterior, middle and posterior fibres)
Coarse, thick,
triangular
multipennate
muscle
Anterior
,
middle
and
posterior
fibres
Deltoid - Function:
Middle
fibres are the main
abductor
of
glenohumeral
joint after initiation by
supraspinatus
Resists
downward
displacement of
humerus
All deltoid insert into the
deltoid tuberosity
on the
lateral humeral shaft
via a short thick
tendon
Ant and Pos deltoids have completely opposite actions (Ant =
flexor
and
medial rotator
, Pos =
extensor
and
lateral rotator
)
All deltoid NS =
axillary
nerve (
c5
,
c6
)
See all 19 cards