Underlying Causes and Related Factors, and Rehabilitation Approaches

This study will be a cross-sectional observational study, followed by a pilot intervention. The aim of the study is to examine the underlying causes of walking-related performance fatigability, together with other related and influencing factors, to make up a clinical profile of patients with MS showing walking-related performance fatigability. In the second part of the study a pilot intervention will be executed to see if the investigators can improve the clinical status of the MS patients with walking-related performance fatigability.