Winging of scapula is due to paralysis of:
Correct Answer: Nerve to serratus anterior
Description: Ans. B Nerve to serratus anteriorRef: Gray's Anatomy 41st ed. P 819* Winging of scapula is due to paralysis of serratus anterior muscle.* Nerve supplying serratus anterior muscle: Long thoracic nerve (C5, 6, 7). Therefore long thoracic nerve palsy can also lead to winging of scapula.* Vascular supply: Serratus anterior is supplied by superior and lateral thoracic arteries, and by branches from the thoracodorsal artery after it divides in latissimus dorsi.
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