If we are taught to never lift with our backs, why are there popular exercises like Romanian deadlifts and good mornings which has you specifically lifting with your back?

Question

If we are taught to never lift with our backs, why are there popular exercises like Romanian deadlifts and good mornings which has you specifically lifting with your back?

In: Biology

Answer 1

There’s like 30 back muscles.

If you lift using 30, it’s fine.

But most likely you are lifting using just 1 major muscle