 Locomotor Capability Index, basic LCI and advanced LCI-5 The Locomotor Capability Index LCI is a self-administered scale specifically designed for use with lower limb amputees. It has 14 questions about locomotor activities. The answers required are either yes or no to questions phrased such as: Would you say you are able to do the following activities with your prosthesis on? The LCI can be sub-divided into 2 subscales: basic and advanced. The total scores from each activity are totaled for a possible maximum score of 42 basic and 56 advanced. 