Inclusion Criteria- Ability to understand Swedish language.
- Ability to walk 5 meters with or without the support of any means or person.
- Be able to get up on a cycle ergometer and cycle in their own chosen pace.
- Approval of medically responsible physician to conduct physical training in groups.
Exclusion Criteria- Medical or neurological diseases that may affect the exercise execution.
- Patients for whom transportation to and from hospital can not be arranged during intervention period