Scapular Winging Flashcards
Medial scapular winging is a result of a palsy of which nerve that results in weakness of which muscle?
Long thoracic n.
Serratus anterior
Medial edge of scapula moves medial
Much more common than lateral winging; common in athletes
Lateral scapular winging is a result of a palsy of which nerve that results in weakness of which muscle?
Spinal accessory n. (CN XI)
Trapezius
Medial edge of scapula moves lateral
Common iatrogenic injury in neck surgery
What nerve roots are involved with medial scapular winging?
Long thoracic n. (C5-7)
What are common causes of medial scapular winging?
1) repetitive tretch (common in volleyball players)
2) iatrogenic from anesthesia (10%)
3) compression (contact sports or trauma)