Serratus Anterior

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Serratus Anterior
Innervation and Action
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C 5
raise your wings up to heaven
-7
-6
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Long thoracic nerve innervate Serratus anterior
muscle
Long thoracic nerve
It is formed by branches arising from the C5, C6,
and C7 nerve roots
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Injury to long thoracic nerve causes inability to
raise arm past 90 degrees up to heaven
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It results in a winging of the scapula