I hurt my shoulder blade it's kinda behind the shoulder and radiates up to the neck?

Probably muscular: Depending how long it has hurt and how you did it this is probably a muscle sprain/strain. Trying heath, stretching and over the counter anti-inflammatory meds is reasonable for a few weeks. If it does not get better after 2 weeks go to your doctor.

Pinched Nerve - C-6: Most likely a pinched nerve, dorsal scapular nerve which is dervied from the c-5 and c-6 nerve root.