442 



THE HUMAN MOTOR 



for the bricklayer to stoop either to work or to pick up materials 

 as depicted in figs. 302 and 303. It is obviously absurd to move 



Fig. 302. Bricklayers stooping to pick up bricks, 

 the whole body to pick up a brick weighing 2 kilogrammes. 



As an example of these bad methods we might take the case of 

 labourers unloading paving stone from a cart. One man picks 



Fig. 303 Bricklayers working in a bent position. 





