This is a demonstration of a sub-failure or stretching of an anterior longitudinal ligament. There is a retrolisthesis of C5 on C6

This is a demonstration of a sub-failure or stretching of a posterior longitudinal ligament. There is a anterolisthesis of C4 on C5.

This is a demonstration of a sub-failure or stretching of a capsular ligament. There is facet gapping of C6 - C7.

This is a demonstration of a sub-failure or stretching of an interspinous ligament. There is an increased separation of the spinous processes at C4-C5 and C5-C6.

This is a demonstration of a sub-failure or stretching of an interspinous ligament. There is an increased separation of the spinous processes at C4-C5 and C5-C6.

This is a demonstration of a sub-failure or stretching of the alar ligament showing an overhang of the lateral mass of C1 bilaterally.

This is a demonstration of a sub-failure or stretching of the accessory ligament. There are changes at the para-odontoid space bilaterally.