Video: Robotic skeleton will help paraplegic to walk London Marathon Claire has been confined to a wheelchair since being injured in a fall at Osberton Horse Trials in 2007. Now she has just 12 weeks to learn how to walk again using the special suit. Claire is one of just two people in the UK being trained the exoskeleton that allows the wearer to walk with the added help of crutches. She predicts it will take her around two weeks to complete the 26-mile course on April 22.