<prompt> Unstable spine injury occurs inCompression injuryFlexion-rotation injuryExtensor injuryFlexion injury  <response>: Mode of injuries in Lower Cervical Spine Fractures C3 - C7Mode of injuriesPattern of fractureVeical Axial compression Burst fracture Veebral height is decreased in totoPure flexion Wedge compression fracture Decreased anterior height of veebraeCombined axial compression flexion Teardrop fracture Antero inferior fragment of the veebral body is sheared offDistraction - Flexion Flexion rotation MC unstable spine injuryUnilateral or bilateral subluxation dislocation Flexion sprains Jumped facetsFloating veebra Avulsion injury of spinous process Clay shovelers fracture Axial compression extension type Second most common type Distraction extension injury Disruption of anterior ligamentous complex followed by posterior soft tissue complex Refer: Rockwood and Greens Fractures in Adults, 7th edition,pg no: 1498,1413,1435,1485 