Possible Clues:

• Inability to move
• Loss of the ability to move
• April says wrongly, it affects The Movement
• Inability to function
• Inability to act/function
• Academy at length cuts wages, leading to relative shutdown
• Soldier lay disheartened with MI-Six's inability to act
• Loss of bodily movement
• Sounds as if the poor girl is stiff with it
• That will keep the lays still in Paris