Document Detail

Oxygen consumption during treadmill walking with and without body weight support in patients with hemiparesis after stroke and in healthy subjects.
MedLine Citation:
PMID:  10896011     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To compare oxygen consumption during walking with body weight support (BWS) with oxygen consumption during unsupported treadmill walking. DESIGN: Patient and reference group. Comparisons between two walking conditions within each group. SETTING: Research laboratory of a university hospital. PARTICIPANTS: Nonrandom convenience sample of 9 hemiparetic and 9 healthy subjects, mean age of 56 and 57 years, respectively. INTERVENTIONS: The subjects walked on a treadmill with 0% and 30% BWS at their self-selected and maximum walking speeds. The trials were performed twice. MAIN OUTCOME MEASURES: Ventilatory oxygen uptake (VO2) and heart rate were measured by computerized breath-by-breath analysis and electrocardiography. RESULTS: VO2 was lower during walking with 30% BWS than during unsupported walking. At self-selected speed the Wilcoxon's signed rank p values were <.01 for both patients and reference group; at maximum velocity, p values were p < .02 for the patients and p < .05 for the reference group. Patients' heart rates were lower when they walked with 30% BWS than at 0% BWS, at both self-selected and maximum walking speeds (p < .05 and p < .02, respectively). CONCLUSIONS: The 30% body weight supported condition requires less oxygen consumption than full weight bearing. Treadmill training with BWS can be tolerated by patients with cardiovascular problems.
A Danielsson; K S Sunnerhagen
Publication Detail:
Type:  Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Archives of physical medicine and rehabilitation     Volume:  81     ISSN:  0003-9993     ISO Abbreviation:  Arch Phys Med Rehabil     Publication Date:  2000 Jul 
Date Detail:
Created Date:  2000-08-02     Completed Date:  2000-08-02     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  2985158R     Medline TA:  Arch Phys Med Rehabil     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  953-7     Citation Subset:  AIM; IM    
Department of Rehabilitation Medicine, Sahlgrenska University Hospital, Göteborg University, Sweden.
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MeSH Terms
Body Weight
Exercise Test / methods
Middle Aged
Oxygen Consumption*
Paresis / physiopathology,  rehabilitation*
Stroke / physiopathology,  rehabilitation*
Walking / physiology*

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