hello all , my bany is preterm with birth ashpyxia and FCH She is now 4 month corrected age and has achieved all her milestone . Since few weeks she arch back frequently when hold upright.she tries to arch back and look upword. I am worried if it is normal

A. A lot of times kids behave like this to stretch their body and to feel more relaxed if your child is not crying while doing this then you don’t have to worry about it it’s a normal scenario but if the child is crying then in that case you can check with your doctor once