Palsy of right genioglossus causes:
Correct Answer: Deviation of tongue to the right
Description: Genioglossus muscle moves the tongue anterior, inferior and medial (AIM).
Bilateral contraction of genioglossus help in protrusion and depression of tongue in midline, since the vector of medial pull is balanced and cancelled.
Palsy of right genioglossus muscle deviates the tongue to the right side, due to unopposed medial pull of the left genioglossus.
Category:
Anatomy
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