Prediction of Exercise Capacity and Training Prescription from the 6-Minute Walk Test and Rating of Perceived Exertion
Walking tests, such as the 6-min walk test (6MWT), are popular methods of estimating peak oxygen uptake (VO<sub>2</sub>peak) in clinical populations. However, the strength of the distance vs. VO<sub>2</sub>peak relationship is not strong, and there are no equations for estima...
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| Format: | Article |
| Language: | English |
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MDPI AG
2021-06-01
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| Series: | Journal of Functional Morphology and Kinesiology |
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| Online Access: | https://www.mdpi.com/2411-5142/6/2/52 |
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| author | John P. Porcari Carl Foster Maria L. Cress Rachel Larson Hannah Lewis Cristina Cortis Scott Doberstein Marc Donahue Andrea Fusco Kimberly Radtke |
| author_facet | John P. Porcari Carl Foster Maria L. Cress Rachel Larson Hannah Lewis Cristina Cortis Scott Doberstein Marc Donahue Andrea Fusco Kimberly Radtke |
| author_sort | John P. Porcari |
| collection | DOAJ |
| description | Walking tests, such as the 6-min walk test (6MWT), are popular methods of estimating peak oxygen uptake (VO<sub>2</sub>peak) in clinical populations. However, the strength of the distance vs. VO<sub>2</sub>peak relationship is not strong, and there are no equations for estimating ventilatory threshold (VT), which is important for training prescription and prognosis. Since the 6MWT is often limited by walking mechanics, prediction equations that include simple additional predictors, such as the terminal rating of perceived exertion (RPE), hold the potential for improving the prediction of VO<sub>2</sub>max and VT. Therefore, this study was designed to develop equations for predicting VO<sub>2</sub>peak and VT from performance during the 6MWT, on the basis of walking performance and terminal RPE. Clinically stable patients in a cardiac rehabilitation program (<i>N</i> = 63) performed the 6MWT according to the American Thoracic Society guidelines. At the end of each walk, the subject provided their terminal RPE on a 6–20 Borg scale. Each patient also performed a maximal incremental treadmill test with respiratory gas exchange to measure VO<sub>2</sub>peak and VT. There was a good correlation between VO<sub>2</sub>peak and 6MWT distance (<i>r</i> = 0.80) which was improved by adding the terminal RPE in a multiple regression formula (6MWT + RPE, R<sup>2</sup> = 0.71, standard error of estimate, SEE = 1.3 Metabolic Equivalents (METs). The VT was also well correlated with walking performance, 6MWT distance (<i>r</i> = 0.80), and was improved by the addition of terminal RPE (6MWT + RPE, R<sup>2</sup> = 0.69, SEE = 0.95 METs). The addition of terminal RPE to 6MWT distance improved the prediction of maximal METs and METs at VT, which may have practical applications for exercise prescription. |
| first_indexed | 2024-03-10T10:25:56Z |
| format | Article |
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| institution | Directory Open Access Journal |
| issn | 2411-5142 |
| language | English |
| last_indexed | 2024-03-10T10:25:56Z |
| publishDate | 2021-06-01 |
| publisher | MDPI AG |
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| series | Journal of Functional Morphology and Kinesiology |
| spelling | doaj.art-f8e300586a9e4f26a8d6dd4215cfb8682023-11-22T00:04:11ZengMDPI AGJournal of Functional Morphology and Kinesiology2411-51422021-06-01625210.3390/jfmk6020052Prediction of Exercise Capacity and Training Prescription from the 6-Minute Walk Test and Rating of Perceived ExertionJohn P. Porcari0Carl Foster1Maria L. Cress2Rachel Larson3Hannah Lewis4Cristina Cortis5Scott Doberstein6Marc Donahue7Andrea Fusco8Kimberly Radtke9Department of Exercise and Sport Science, University of Wisconsin-La Crosse, La Crosse, WI 54601, USADepartment of Exercise and Sport Science, University of Wisconsin-La Crosse, La Crosse, WI 54601, USADepartment of Exercise and Sport Science, University of Wisconsin-La Crosse, La Crosse, WI 54601, USADepartment of Exercise and Sport Science, University of Wisconsin-La Crosse, La Crosse, WI 54601, USADepartment of Exercise and Sport Science, University of Wisconsin-La Crosse, La Crosse, WI 54601, USADepartment of Human Sciences, Society and Health, University of Cassino and Lazio Meridionale, 03043 Cassino, ItalyDepartment of Exercise and Sport Science, University of Wisconsin-La Crosse, La Crosse, WI 54601, USAMayo Clinic Health System, La Crosse, WI 54601, USADepartment of Human Sciences, Society and Health, University of Cassino and Lazio Meridionale, 03043 Cassino, ItalyDepartment of Exercise and Sport Science, University of Wisconsin-La Crosse, La Crosse, WI 54601, USAWalking tests, such as the 6-min walk test (6MWT), are popular methods of estimating peak oxygen uptake (VO<sub>2</sub>peak) in clinical populations. However, the strength of the distance vs. VO<sub>2</sub>peak relationship is not strong, and there are no equations for estimating ventilatory threshold (VT), which is important for training prescription and prognosis. Since the 6MWT is often limited by walking mechanics, prediction equations that include simple additional predictors, such as the terminal rating of perceived exertion (RPE), hold the potential for improving the prediction of VO<sub>2</sub>max and VT. Therefore, this study was designed to develop equations for predicting VO<sub>2</sub>peak and VT from performance during the 6MWT, on the basis of walking performance and terminal RPE. Clinically stable patients in a cardiac rehabilitation program (<i>N</i> = 63) performed the 6MWT according to the American Thoracic Society guidelines. At the end of each walk, the subject provided their terminal RPE on a 6–20 Borg scale. Each patient also performed a maximal incremental treadmill test with respiratory gas exchange to measure VO<sub>2</sub>peak and VT. There was a good correlation between VO<sub>2</sub>peak and 6MWT distance (<i>r</i> = 0.80) which was improved by adding the terminal RPE in a multiple regression formula (6MWT + RPE, R<sup>2</sup> = 0.71, standard error of estimate, SEE = 1.3 Metabolic Equivalents (METs). The VT was also well correlated with walking performance, 6MWT distance (<i>r</i> = 0.80), and was improved by the addition of terminal RPE (6MWT + RPE, R<sup>2</sup> = 0.69, SEE = 0.95 METs). The addition of terminal RPE to 6MWT distance improved the prediction of maximal METs and METs at VT, which may have practical applications for exercise prescription.https://www.mdpi.com/2411-5142/6/2/52physical fitnessinternal loadRPEperformance |
| spellingShingle | John P. Porcari Carl Foster Maria L. Cress Rachel Larson Hannah Lewis Cristina Cortis Scott Doberstein Marc Donahue Andrea Fusco Kimberly Radtke Prediction of Exercise Capacity and Training Prescription from the 6-Minute Walk Test and Rating of Perceived Exertion Journal of Functional Morphology and Kinesiology physical fitness internal load RPE performance |
| title | Prediction of Exercise Capacity and Training Prescription from the 6-Minute Walk Test and Rating of Perceived Exertion |
| title_full | Prediction of Exercise Capacity and Training Prescription from the 6-Minute Walk Test and Rating of Perceived Exertion |
| title_fullStr | Prediction of Exercise Capacity and Training Prescription from the 6-Minute Walk Test and Rating of Perceived Exertion |
| title_full_unstemmed | Prediction of Exercise Capacity and Training Prescription from the 6-Minute Walk Test and Rating of Perceived Exertion |
| title_short | Prediction of Exercise Capacity and Training Prescription from the 6-Minute Walk Test and Rating of Perceived Exertion |
| title_sort | prediction of exercise capacity and training prescription from the 6 minute walk test and rating of perceived exertion |
| topic | physical fitness internal load RPE performance |
| url | https://www.mdpi.com/2411-5142/6/2/52 |
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