Winging of scapula is due to injury to
High-Yield Explanation
Winging of scapula is due to the injury to long thoracic nerve(C5, C6, and C7). Long thoracic nerve supplies the serratus anterior muscle and injury to this nerve causes the prominence of interior angle and medial border of scapula. The patient is unable to perform pushing action. B D Chaurasia 7th edition Page no: 12