In advanced stages of Huntingtons Disease the ability to control movements is severely compromised.   Even with some involuntary movements present, the client becomes unable to change their own position, maybe more rigid and become at a higher risk of developing contractures.

A contracture is the shortening of a muscle that is permanent and whether with or without pain causes deformity. They occur due to not moving or using the muscles, the tone is lost, thus shortening then occurs.   Contractures become difficult to prevent and manage due to the fluctuations in muscle tone and involuntary movements.