Hill K, Jenkins SC, Cecins N, Philippe DL, Hillman DR, Eastwood PR.
The authors of this study set out to develop a predictive equation which would allow estimation of the maximum work rate (Wmax) achieved during an incremental cycle ergometry test from the measurement of 6-minute walk distance (6MWD) and its derivative, 6-minute walk work, which is the product of 6MWD and body weight.
They found that Wmax could be estimated from equations based on measurements of 6MWD or 6-minute walk work. The estimate of Wmax derived from either equation could provide a basis on which to prescribe cycle ergometry training work rates that comply with the current guidelines for pulmonary rehabilitation
Archives of Physical Medicine and Rehabilitation. 2008;89(9):1782-7