Key result
Forest Service Step test model predicts VO2max with ~85% accuracy using weight, heart rate, and sex.
Why the study?
The association between anthropometric measurements and VO2max using the Forest Service Step and Ruffier-Dickson tests was not well established.
Can the Forest Service Step test reliably estimate cardiorespiratory fitness (VO2max) based on anthropometric measurements in healthy adults?
Cross-Sectional (n=67)
Can the Forest Service Step test reliably estimate cardiorespiratory fitness (VO2max) based on anthropometric measurements in healthy adults?
Effect estimate: Adjusted R² 0.845
p-value: p=<0.01
The Forest Service Step test, combined with anthropometric measurements, provides a reliable and economical method to estimate cardiorespiratory fitness in healthy young adults.
Supports economical VO2max estimation via Forest Service Step test in healthy adults; hypothesis-generating pending prospective validation.
BACKGROUND: Cardiorespiratory fitness (CRF) is an important component of general fitness and is quantified in terms of maximum oxygen consumption (VO2max). The aims of this study were to determine the association between anthropometric measurements and VO2max using the Forest Service Step (FSS) test and the Ruffier-Dickson test and to develop a model to assess the VO2max from the FSS test.METHODS: A cross-sectional correlation study in which the participants performed both the FSS and the Ruffier-Dickson Test was conducted using data previously collected. The sample was composed of 67 healthy participants aged between 19 and 39 years.RESULTS: The VO2max values for these participants ranged between 35.15 and 67.32 mL∙min-1∙kg-1. Linear regression analysis showed a correlation (P<0.01) between measured VO2max (L∙min-1) and height (m), weight (kg), waist (cm) and BMI (kg/m²). The multiple linear regression analysis generated the following equation to predict VO2max (L∙min-1) from the FSS Test: 3.937 + 0.045(Weight) - 0.103(HR Post FSS) - 0.406(Sex). The adjusted R² for the model was 0.845 with an excellent agreement between the model and the classification of CRF according to the American Heart Association (ICC=0.958).CONCLUSIONS: The FSS test can be used to estimate the CRF reliably and economically.
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GONZÁLEZ-GARCÍA et al. (2022) conducted a cross-sectional in Healthy (n=67). Anthropometric measurements and Forest Service Step test was evaluated on Prediction of VO2max (Adjusted R² 0.845, p=<0.01). A multiple linear regression model incorporating weight, post-test heart rate, and sex accurately predicted VO2max from the Forest Service Step test with an adjusted R² of 0.845.
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