How to keep the horse moving by modifying work routines. When an injury occurs, it is prudent to inactivate the horse for a short period. In less defined scenarios, however, we owe it to our horses to understand that movement itself is therapy, or at least certain types of movement can be. Exercise is not always something that reduces or diminishes a horse’s well-being. More often, it improves overall welfare, and for this reason eliminating exercise must be reserved for only extreme scenarios.