Carrying hose baskets up stairs.

<p>A: Variables importance for the projection (VIP) of Carrying hose baskets up stairs work capacity, using the training-set (n = 36). Green bars: Variables included in final the 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.