ADJUNCTS OF THE MUSCULAR SYSTEM. 109 



so as to describe a curve in the air, in the midst of which it 

 is at its maximum of distance from the ground. This is not 

 the case : the time of suspension occurs when the body is at 

 the least distance from the ground, and is caused, not by the 

 body being raised in the air, but by the legs being withdrawn 

 from the ground, during their flexion (Marey). 



