Hose pulling.

<p>A: Variables importance for the projection (VIP) of Hose pulling work capacity, using the training-set (n = 37). Green bars: Variables included in the final model. Blue bars: Variables were excluded from the model in Step 1, using VIP. Red bars: Variables were excluded from the model in Step 2 because the correlation was r ≥ 0.8 with another included variable. B: External validation is testing the selected model on the prediction-set.