Findings Patient demographics: Male –66 % (n 27); female –34 % (n14), Age< 18 yrs –7.3 % (n 3), 18–40 yrs –44 % (n 18), 41–60 yrs –31.7 % (n 13), >60 yrs –17% (n 7). Shoulder pain and weakness was the presenting feature in 34% of patients (n 14), pure weakness was the presenting feature in 51% (n 21) and presentation was uncertain in the rest of the patients.

Possible causes for winged scapula was noted as below in this patient group: Fall–6, Heavy lifting–8, Post intervention (surgery/delivery/ITU)–3, Road traffic accident–2 Post vaccination–1, Definite brachial amyotrophy/Brachial neuritis–4,Possible brachial amyotropy/Brachial neuritis –5, Muscle related–3, Not clear–9.

Based on the neurophysiological studies both, needle EMG and Nerve conduction studies showed involvement of Long thoracic nerve in 25 patients, Spinal accessory in 5 patients, Long thoracic, spinal accessory and dorsal scapular in 2 patients, Long thoracic and axillary in 2 patients, Long thoracic with carpel tunnel (incidental with symptoms) in 4 and pure muscle related in 3 patients.