Couldn't you just use exercise bands. I'm almost 100% sure they make bands that actually decrease in tension as they are stretched.
Zdravko Veselin Gaeta
I am not a powerlifter nor am I a bodybuilder. I just want to be big and strong.
[Today 05:50 PM] BendtheBar: Write that quote down
[Today 05:50 PM] BendtheBar: If I am going to be a bro, I am going to be the best
Make gains, not excuses.