24 



STRUCTURE AND FUNCTION 



Direction of Leg and Form of Foot — The relation that the 

 direction of the leg bears to the form of the foot is most intimate, 

 and each is an important factor in determining the directness, 

 especially, of the stride. The form of the foot fixes the point at 

 which the leg breaks over ; the centre of the toe, or the outer or 

 inner quarter depending upon whether the foot is symmetrical or 



W 







Course taken by the foot in 

 correct standing position. 



Fig. 19.- 



Q 



I i. 



Course taken by the foot Course taken by the foot 



in base or toe wide direction in base or toe narrow direc- 

 of leg. tion of leg. 



Relation of direction of leg to course taken by foot in the stride. 



the inner or outer quarter is higher. The direction of the leg de- 

 termines the course taken by the foot dui'ing its stride, whether 

 advanced in a straight line or describing the arc of a circle inward 

 or outward, dejjending upon the deviation in the direction of the 

 leg (Fig. 19). The form of the foot and the direction of the leg 

 are correlated, usually, so that thoir combined influence on the 

 way of going may be considerable. 



