air is being displaced between the pockets of each vertbrae along the spine
causing a popping or cracking type noise.
if it bends to far back. when it happens you will feel a sharp pain and then when you put weight on it, it will hurt more
It means that you have broken a bone or a part in someones back.
Not exactly. Most experts will say that during tornado, the wind will bend a tree significantly, which can open up cracks in the windward side. Small objects carried by the wind can then get blown into the cracks and become stuck when the tree bends back to its usual shape.
tortoise
Well its when your back bends backward a little and the opposite of a arch would be a hollow. Arch-bends backward and a hollow bends forward
Exercise and do back bends
The 'Stub-up', or 90º bend, Back to Back Bends, Three Bend Saddles, and offset bends.
If you talk behind someones back and later they find out they might make faces at you, or if you were mean no one will like you. Best thing to do is to ignore it and be nice to them no matter what happens.
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No
This is known as a subduction zone.
How their vertebral column bends in certain positions.