# Rockport

> 1987

- Equation: `VO2max = 132.853 - 0.0769W - 0.3877A + 6.315S - 3.2649T - 0.1565HR`
- Variables:
  - `W`: Bodyweight in pounds.
  - `A`: Age in years.
  - `S`: 1 if male, 0 if female.
  - `T`: One-mile walk time in minutes.
  - `HR`: Heart rate at the end of the mile.
  - `VO2max`: Estimated maximal oxygen uptake, ml/kg/min.
- Authors: Kline, G. M.; Porcari, J. P.; Hintermeister, R.; Freedson, P. S.; Ward, A.; McCarron, R. F.; Ross, J.; Rippe, J. M.
- Source: Medicine & Science in Sports & Exercise
- DOI: [10.1249/00005768-198706000-00012](https://doi.org/10.1249/00005768-198706000-00012)

Generalized relative equation from Kline et al. Sample ages 30–69. Walk; do not run.