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A member asked:
Can thoracic outlet syndrome or any other brachial plexus issues cause scapular instability/winging?
2 doctors weighed in across 2 answers
Winged Scapula: A "winged scapula" is a result of injury to the long thoracic nerve which innervates the serratus anterior muscle. The long thoracic nerve is made up of portions of the brachial plexus, namely cervical roots 5, 6, 7, so in theory, a brachial plexus injury can cause a winged scapula but it is unlikely to be in isolation of other nerve problems. Winged scapula is not typical in thoracic outlet.
Answered 5/18/2014
5.2k views
Not likely: Long thoracic is a branch of brachial, plexus like other nerves of upper extremities. Thoracic outlet usually does not compress it.
Answered 1/5/2016
5.2k views
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