Long Thoracic Nerve Palsy (Winged Scapula)
Winged Shoulder Blade
Paralysis of serratus anterior from long thoracic nerve injury causing medial scapular winging. Causes: viral (Parsonage-Turner), traction injury, surgery (lymph node biopsy, thoracotomy). Most viral cases recover spontaneously in 6-24 months.
Open this lesson interactively →