The condition or quality of being immobile; fixedness in place or state.

the quality of not moving

The inability to move. Can be used to describe the period after a spinal cord injury, when a person is confined to bed rest and is unable to move around. Alternatively, it could be used to describe the limbs (immobility of the limbs) following paralysis.

prescribed or unavoidable restriction of movement in any area of a person's life

remaining in place