After radical mastectomy there was injury to the long thoracic nerve. The integrity of the nerve can be tested at the bedside by asking the patient to
Correct Answer: Raise the arm above the head on the affected side
Description: Long thoracic nerve innervates Serratus anterior. Serratus anterior originates from outer surface of upper 8 ribs and inserts onto inferior angle and medial border of scapula.
Actions :
It rotates the scapula to help in overhead abduction.
Steady the scapula to carry weight.
Pushing of arm forward in horizontal position.
Helps in forced inspiration.
Category:
Anatomy
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