How you got to know that it is winging scapula pain.?
It can be due to muscle tightness on left side.
So if the pain is severe use ice pack three times a day.
Start doing isometric exercises for neck.because neck movement also play an important role in treating scapular pain.
Shoulder strengthening exercises will help you to get better results.
Do stretching for shoulder and neck. Pectoral stretch and trapezius stretch, triceps, biceps.to release pressure on muscles and ligaments, joint.
Next Steps
avoid slauching.try to sit straight.
Health Tips
for better results use practo app and consult physiotherapist for proper advice and treatment protocol.