Just a quick question: I was working out the other day and i started with biceps. I did preacher curls, standing barbell curls and when i was doing standing dumbbell curls I got a serious muscle pain? right in the middle of my back. All I could do was drop the weights. For a minute I couldn't breath. I hobbled to the sauna and then showered and left. I missed my last two workouts due to this. I feel fine now and will resume working out tomorrow. Is this due to a lack of warm up? I always do a couple of light sets to warm the muscle up. Being that this was the back...should I do some kind of back warm up?
Mervin
Mervin