Ligament Sport knee braces are designed to provide relief to people who have improper alignment of the knee or those who may be suffering arthritis in their knee (Osteoarthritis Knee Braces). For those involved in sports the (Off-The-Shelf Sport Ligament Knee Braces) prove most effective in supporting the athlete in their everyday routines. In general, both brace types help to keep proper alignment of the joint. Varus or Valgus stress is where one compartment of your knee is starting to have irregular mechanical alignment and a ligament brace can provide the necessary support. The CTI MotoCross knee brace (Motor Cross) add on kit provides the highest level of protection.