Exercise for the upper cervical spine:

1) Rotate head as far as possible to the left and nod briefly
2) Rotate head as far as possible to the right and nod briefly
3) Bend head forwards and allow to hang loosely hanging, repeatedly turned the head to the left and to the right.
Exercise for the lower cervical spine:
1) Rotate head, arms stretched out fully to the sides and rotated in opposite directions, always looking at the hand with the thumb pointing downwards
2) Head moved forwards and backwards with the eyes fixed on a point at head height