Document Detail


The effects of prosthetic foot design on physiologic measurements, self-selected walking velocity, and physical activity in people with transtibial amputation.
MedLine Citation:
PMID:  16401450     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: To investigate the physiologic differences during multispeed treadmill walking and physical activity profiles for the Otto Bock C-Walk foot (C-Walk), Flex-Foot, and solid ankle cushion heel (SACH) foot in people with transtibial amputation. DESIGN: A repeated-measures design with 3 prostheses. SETTING: Research laboratory. PARTICIPANTS: Eight men with unilateral transtibial amputation. INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURES: Physiologic responses (energy expenditure, gait efficiency, exercise intensity, rating of perceived exertion [RPE]) during multispeed treadmill walking (53.64, 67.05, 80.46, 93.87, 107.28 m/min) test were analyzed with 2-way repeated-measures analysis of variance (ANOVA). One-way ANOVA was employed to analyze foot-type differences for self-selected walking velocity (SSWV), and steps per day (daily activity). Analysis of covariance was used to analyze foot-type differences with SSWV as the covariable for the physiologic measurements. RESULTS: The C-Walk had a trend of improved physiologic responses compared with the SACH; however, no foot-type differences were statistically significant. Compared with the C-Walk and SACH, the Flex-Foot showed no significant differences in energy expenditure and gait efficiency, but significantly lower percentage of age-predicted maximum heart rate and RPE values. CONCLUSIONS: The energy storing-releasing feet appeared to have certain trends of improved gait performance compared with the SACH; however, not many objective foot-type differences were significantly noted. Further studies with a larger sample size are suggested.
Authors:
Miao-Ju Hsu; David H Nielsen; Suh-Jen Lin-Chan; Donald Shurr
Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Archives of physical medicine and rehabilitation     Volume:  87     ISSN:  0003-9993     ISO Abbreviation:  Arch Phys Med Rehabil     Publication Date:  2006 Jan 
Date Detail:
Created Date:  2006-01-10     Completed Date:  2006-02-22     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:  123-9     Citation Subset:  AIM; IM    
Affiliation:
Institute and Faculty of Physical Therapy, National Yang Ming University, Taipei City, Taiwan. mjhsu@ym.edu.tw
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MeSH Terms
Descriptor/Qualifier:
Activities of Daily Living
Adult
Amputation / methods,  rehabilitation*
Analysis of Variance
Artificial Limbs*
Biomechanics
Energy Metabolism / physiology*
Gait / physiology*
Hemodynamics / physiology
Humans
Lower Extremity
Male
Middle Aged
Oxygen Consumption / physiology
Physical Fitness / physiology
Physical Therapy Modalities
Probability
Prognosis
Prosthesis Design
Prosthesis Fitting
Sampling Studies
Tibia / surgery*
Treatment Outcome

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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