<prompt> Unstable spine injury occurs in?Compression 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 Tear drop fracture Antero inferior fragment of 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 ofanterior ligamentous complex followed by posterior soft tissue complex Refer: Rock wood and Greens Fractures in Adults, 7th edition, pg no: 1498,1413,1435,1485 