Palsy of the eleventh cranial nerve - or spinal accessory nerve (SAN) − is a rare cause of scapular winging, leading to painful upper extremity disability due to weakness and atrophy of the trapezius muscle. Most SAN injuries are iatrogenic, and no specific pediatric epidemiology is known. Herein is described the case of a 17-year-old adolescent referred to Physical and Rehabilitation Medicine consultation due ...