192 THE SEAT. 



only by continued muscular contraction, and would therefore 

 be objectionable. 



As the movements of the horse at each stride, especially in 

 the canter and gallop, tend to cause the rider's body to be 



Fig. 182. Sitting easily. Fig. 183. Back hollowed out. 



jerked alternately backwards and forwards in a manner that 

 would more or less interfere with the regularity and effective 

 action of the animal's paces ; the rider should as much as 

 possible counteract this disturbing action by conforming to 

 the horse's movements, which he can best do by the working 

 of the joints of the hips, aided to a slight extent by those of 



