Abstract
Abstract Introduction: The Six-Minute Walk Test (6MWT) is widely used to assess functional capacity in children. The measure of work during 6MWT can add important information to the 6MWT assessment in this population as it relates to walking efficiency. Objective: To verify the determinants of work during the Six-Minute Walk Test (6MWTwork) in school-aged children. Method: This is a cross-sectional and exploratory study that included healthy children recruited from the public and private schools of the cities of Belo Horizonte and Uberlândia, Brazil. The inclusion criteria were: children aged 7 to 12 years without diagnosis of chronic cardiorespiratory disease, cognitive, behavioral disorder or physical function impairment (information obtained through self-report of those responsible for children). Exclusion criteria were children who refused to perform the 6MWT; who did not understand the 6MWT or who did not answer the test commands. Three hundred and nineteen school-aged children were included in the study. Correlation analyses and multiple linear regression analysis were used to identify the variables associated with the 6MWTwork. Results: Age, height, nutritional status, physical activity and heart rate showed significant correlation with 6MWTwork (p <0.001) and explained 87% of its variation (p = 0.0001). Conclusion: Age, height, nutritional status and heart rate variation are determinants of 6MWTwork that is able to evaluate functional capacity of school-aged children.
Highlights
The Six-Minute Walk Test (6MWT) is widely used to assess functional capacity in children
The inclusion criteria were: children aged 7 to 12 years without diagnosis of chronic cardiorespiratory disease, cognitive, behavioral disorder or physical function impairment
Multiple linear regression analysis showed that age, height, nutritional status and ΔHR explained 87% of the 6MWTwork variation in the children evaluated (p = 0.0001) (Table 3 and Figure 1)
Summary
The Six-Minute Walk Test (6MWT) is widely used to assess functional capacity in children. Objective: To verify the determinants of work during the Six-Minute Walk Test (6MWTwork) in school-aged children. The Six-Minute Walk Test (6MWT) is widely used in the pediatric population to assess functional and exercise capacity in physiotherapy clinical practice and scientific research. The 6MWTwork is calculated by the product of the covered distance and body weight, it is described as a feasible and clinically useful measure for the assessment of functional and exercise capacities in healthy adults and children [4,5,6,7,8,9,10] and with chronic diseases. The two main reasons to include an analysis of the and 2) 6MWTwork was better correlated with diffusing capacity for carbono monoxide and vital capacity in these patients [11,12,13]
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