They work great and make my back work but...
I feel like if I go too heavy, my form suffers...then if I go just slightly less heavy, I can do like 20 reps easily. Then when I increase the weight, my form doesn't feel right even though I can rep out a normal 10 times. It's like I don't know whether to do the easier version that seems to stimulate more, or the harder version
anyone else have this problem?