Thank you for contacting us  Prior to anything else, please visit the nearby  physiotherapy centre. You have overused your shoulder, which has caused the rotator cuff, a nearby muscle, to become tight. This will limit your range of motion and impair your flexibility. so you ill getting the pain even touching the back and moving  hand  overhead. kindlyPlease go to the physiotherapy clinic in your area as soon as possible to address the problem.
Next Steps
For more details contact Elysiann health and wellness,indranagar,bangalore
Health Tips
apply heat pad for 10-15 mins. it will make your muscle relax