disfunction,
dysfunction (medicine) any disturbance in the functioning of an organ or body part or a disturbance in the functioning of a social group; "erectile dysfunction"; "sexual relationship dysfunction"
paralysis -
The complete loss of voluntary control of part of person's body, such as one or more limbs.
Wikipedia
Paralysis is the complete loss of muscle function for one or more muscles. Paralysis can be accompanied by a loss of feeling (sensory loss) in the affected area if there is sensory damage as well as motor.