The examples above are of powerlifters who deadlift with a rounded back by choice not by accident.
Back rounding off floor deadlift.
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.
If the person runs out of hip flexion range of motion the body can make up the difference by adding in lumbar flexion range.
They have all done their fair share of regular deadlifting.
Is your deadlift weak at the knees.
This is a common situation where the low back looks like it s rounding or even developing a hinge at one or two vertebral segments.
By identifying the central issue in this problem you can.
Is your deadlift weak off the floor.
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.
Should your client deadlift from the floor if their back rounds.