Which muscle paralysis can cause ‘Winging of scapula’?
LONG THORACIC NERVE
■ Arises from ventral rami of C5, C6, and C7.
■ Descends behind the brachial plexus on the lateral surface of the serratus anterior, to which it supplies.
■ The serratus anterior muscle can be examined by asking patient to push against a wall with both hands. Winging of scapula will be typically noted
Serratus anterior
Supraspinatus
Teres minor
Deltoid