Question

What problem would you face if your neck has a hinge joint?

Answer 1

our neck will move only in one direction

Answer 2

If some how one person neck have a hing joint then, the person will not be able to move his or her neck upward or downward direction.

This actually be a quite a difficult situation, for the sufferer.

Then the person shall only be able to move neck left side or right side.

Necks having only hing joint will only be able to rotate, and can only flex or extend.