Physiotherapy in Order to Improve Walking Capacity and Participation in Chronic Stroke Subjects

Stroke

Chronic stroke, Participation, Walking ability

In hemiplegic stroke patients, gait performance is affected by impaired walking endurance. Evidence has shown that higher exercise intensity improves cardiovascular fitness, while greater dose in task repetition benefits locomotor function. Therefore, the goal of this study is to examine the effect of a combined cardiovascular/task-oriented interval training programme on the walking capacity of chronic stroke individuals and the improvement in their participation.

Owing to the high prevalence of disability in stroke older adults, walking capacity and participation can be severely affected. According to the International Classification of Functioning, Disability and Health 2001, participation involves functioning in life. In Rehabilitation Medicine, there has been a growing concern about it as a way to assess success of treatment. However, appraisal of participation in stroke research is scarce. In all stages after a stroke, Physiotherapy interventions in favor of intensive high repetitive task-oriented and task-specific training have obtained benefits on trained actions and activities. But, the effect of this type of treatment on the impact the disease has on patient´s participation is under investigated. The aim of this study was to determine which kind of physiotherapy task-oriented training program could better improve participation in chronic stroke subjects: an upper limb strength training program (ULST) or a combined cardiovascular/task-oriented interval training (IT) program. Therefore, the goal of this study is to examine the effect of a combined cardiovascular/task-oriented interval training programme on the walking capacity of chronic stroke individuals and the improvement in their participation. A randomized single-blind controlled trial was carried out. Fourteen subjects with chronic hemiplegia resulting from stroke (onset \>6m) were recruited. All participants were fully informed about the experimental procedures and the aim of the study. Written informed consent was signed by each subject prior to participate. Approval from the ethics committee of the University of Valencia was obtained for the study. Subjects were randomly allocated to an ULST program with elastic bands (n=7) or to a cardiovascular/task-oriented IT program (n=7), focused on walking capacity. In the ULST group, a nine 5-minute station circuit session was designed. Patients work 2+2 minutes in each exercise, with a 30-second rest between the 2-minute periods and between stations. The IT program consisted of a set of 8 cardiovascular exercises at moderate intensity, interrupted by 1-minute active breaks of task-oriented exercises. Duration of both programmes was 3 months (3 sessions/week). Participation was assessed by the Stroke Impact Scale (SIS-16) and the Frenchay Activities Index (FAI), before and after the intervention.

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