Hi.this is Dr.Debanjan (pt).
The symptoms you have ,it looks like RSI.To confarm it we need more details.like when you wake up ,do you feel fresh?
Do you have any history of muscle cramp?
How much water are you taking every day?
Do you feel stiffness in your leg , back or in your neck?
Do you have any history of road traffic accident?
Next Steps
go for a physical therapist / manual therapist , he will do the details examination.