Back Rounding Off Floor Deadlift

Rounding of the upper back allows you to lift more weight by improving your leverage and many people can get away with it on the other hand rounding of the lower back only comes with risks.
Back rounding off floor deadlift. If the person runs out of hip flexion range of motion the body can make up the difference by adding in lumbar flexion range. The examples above are of powerlifters who deadlift with a rounded back by choice not by accident. Is your deadlift weak off the floor. The deadlift while simple in description hey all you re doing is bending over and picking up a barbell off the floor is anything but simple in terms of execution.
They have all done their fair share of regular deadlifting. By identifying the central issue in this problem you can. Is your deadlift weak at the knees. Where many people falter.
I hope the internet experts have gotten a deeper understanding of what is rounding of the back in the deadlift what is an acceptable range and why some slight rounding is not a death sentence for a powerlifters.