Fig. 1.
a Schematic representation of the balance board with its mechanically adjustable pivot modified according to Gebel et al. (2019). b Balance board with the pivot at level 1. c Balance board with the pivot at level 6. d Experimental setup
a Schematic representation of the balance board with its mechanically adjustable pivot modified according to Gebel et al. (2019). b Balance board with the pivot at level 1. c Balance board with the pivot at level 6. d Experimental setup