Source https://www.nerdfitness.com/blog/working-hard-enough/
A reader recently sent me a great question:
“I’m always wondering if I’m pushing hard enough during strength training. My goals are to build strength and muscle—and not be a fragile old lady.”
This kind of question is more common than you might think! It’s something almost everyone wonders at some point: “How hard should I be working when I lift?”
Let’s break it down.
1. Do your muscles feel used during and after your workout?
You don’t need to destroy yourself to make progress, but you should<span style="f…