Serratus anterior is supplied by which nerve?: (A) Long thoracic nerve, (B) Spinal accessory nerve, (C) Dorsal scapular nerve, (D) Axillary nerve
Answer is A. ANSWER: (A) Long thoracic nerveREF: Gray s anatomy 40th ed chapter 46Serratus anterior is innervated by the long thoracic nerve, C5, 6 and 7, which descends on the external surface of the muscle.