I have been training for a little over a year now, took a lot of off time though with sports.
I've been noticing that over the last few weeks, and I also noticed it a few times in the past, just did show any atention to it.
So today I was doing arms, and I always get a pretty decent nice pump in my bicep.
Now during that, I can flex my ticep and feel my little horse shoe
But when I start working my tricep, I can't feel it anymore, and it dosen't flex. Almost like it gets to tense. My I feel like I have a pump, cause my arm feels more "full", any answer's on why this occurs?