When I'm working out with a new weight that i'm not used to (I actually do calisthenics, but I use a weight vest) towards the end of my work out, when I'm really feeling it, I notice that as I'm doing exercises like push-ups, I sometimes get a tingling feeling in my arms. As soon as it starts, it continues on every rep until I stop.
It's not painful, it feels like tiny strings snapping almost. (I'm not very familiar with anatomy).
Intuitively, since it's not painful I would assume it is good because the whole point is to break down muscle right? This literally feels like I'm breaking down my muscle, but I'm too naive to understand if this is actually what's happening or if there's some other cause.
Does anyone else get this feeling? Is it normal?
Edit: Sometimes I notice afterwards some slight pain in my arms, but I don't know if it is related. I usually stop around this point and I feel fine after a bit of rest