a..^ \?dl properly driven,, 

 h, , I hil improperly drit'e/h . 



Cif/vtrcuUecC foot. 



Sound, but- flat foot. 



JBctjdUi/ conxracfed, fbot^ 



S0U:>:3_^-^:D COIiTRACTED F£ET. 



