<prompt> Winging of scapula is due to:Medial pectoral nerve palsyLateral pectoral nerve palsyNerve to serratus anterior palsyNerve to Latissimus dorsi palsy  <response>: Winging of scapulaThe most common cause of scapular winging is serratus anterior paralysis.This is typically caused by damage to the long thoracic nerve.This nerve supplies the serratus anterior, which is located on the side of the thorax and acts to pull the scapula forward. 