Dear , don't worry but the problem wl much more time to get cure
As may be because of vigorous exercise and strenuous activity your neck muscles may be going in to spasm hence all those aggrevated problems .
In your report cervical spine problem is there , so u need to take more precautions , avoid heavy weight on head, don't do any gym or excercise Without doctor advise
Do physiotherapy , which is advised by doctor and good trained physiotherapist
Next Steps
consult any neurophyscian or spine surgeon , and physiotherapist
Health Tips
avoid self excercise and physiotherapy of neck , do under supervision then learn and do