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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Winging of scapula is due to paralysis of:
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The correct answer is  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.