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.
Back rounding off floor deadlift.
By identifying the central issue in this problem you can.
Where many people falter.
Should your client deadlift from the floor if their back rounds.
Fix lower back rounding during deadlifts in this video coach mandler teaches you how to fix lower back rounding during deadlifts.
If the person runs out of hip flexion range of motion the body can make up the difference by adding in lumbar flexion range.
Is your deadlift weak at the knees.
They have all done their fair share of regular deadlifting.
The examples above are of powerlifters who deadlift with a rounded back by choice not by accident.
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.