 5 In this classification: a rearfoot strike (heel strike) has the initial center of pressure in the rear third of the shoe (rear 1/3 of shoe length) ;
<clarity>  5 In this classification: a rearfoot strike (heel strike) has the initial center of pressure in the rear third of the shoe (rear 1/3 of shoe length) ;
 5 In this classification: a rearfoot strike (heel strike) has the initial center of pressure in the rear one-third of shoe length ;