I have had the same problem for a long time now. My spot is on the bottom of my left shoulder blade, I have the rough patch of skin, the itchyness, and the tingle, sometimes worse than others. I thought it was a nerve too until I read this thread and now I dont know what to think.I know that its horrible because when it itches I just want to take a bruch to my back and whe it goes numb it can be painful the feeling of all the needles on my back.... :-(
I AHVE DEVELOPED THE SAME SENSATIONS FOT THE LAST THREE MONTHS. WHAT HAS COME OF IT, FOR YOU GUYS WHO HAD IT A YEAR OR SO AGO?
WOW!
I have the exact same problem as you guys but I don't have any marks on my back. I'm 23 and I used to work out really hard until I did something to my upper left back 7 months ago. Now I can't do anything without it going numb or tingling. It really flares up when I do any sort of pushing motion, such as bench press, and becomes extremely painful. I've gone to my chiropractor, my doctor and a physiotherapist and no one can seem to solve the problem. I'm naturally extremely skinny and have lost a ridiculous amount of weight already. It's a huge ball buster and if anyone has any possible idea of what it may be, lemme know!
Weak lower trapezius muscles leading to shoulder instability. Basically the lower (pull seder blades down and back) and upper trapezius (lift seder blades up) muscles should be balanced but for the majority of people in today's world (computer desk sitting) the upper traps take over and the lower traps are not worked at all.
I will not go into the ins and outs in detail but when I realised this and did exercises for my lower traps the muscle I was working was EXACTLY where the tingling had been all these years. Since I have started working the muscle (a few months now - it takes time to build the mind / muscle link as it has not been used much before) the tingling has reduced and gone from a daily issue to an occasional. I am confident if I keep working and strengthening the muscle in a few months it should have gone away completely and I also gain from a better posture.
Try the exercise in this you tube video. Very simple to do. If you reach out as informed, turn your hand and retract the seder blade down you should feel as if you are working a muscle you never knew existed :-)
http://www.youtube.com/watch?v=d3EHKNZ0ack
I also have had the same type of pain you describe, and have recently gotten it again in another spot. My Doctor did not diagnose it correctly, and gave me cortizone shots which temporarily relieved the area. I am very active, lift weights, run, play hockey, etc... I was able to fix the problem by incorporating yoga, and getting sports massages. Apparently, if your chest muscles (pectorals) tighten to much they can put strain on your back muscles causing your back muscles to tear. My solution would be to stretch your chest muscles to take strain off yoour back muscles. It took about 2 months to heal.