62 



MECHANISM OF EQUINE LOCOMOTION. 



31 and 32 ; for the right leg, which is a good deal bent in Fig. 30, is nearly 

 straight in Fig. 31. The straightening of the limb or limbs, in effecting 

 the forward propulsion of the body, is even better shown in Figs. 33, 

 34, 35 and 36, which depict the standing leap. 



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Fig. 28. Fig. 29 



Shove-ofk from Side of Swimming Bath. 



Fig. 30. Fig. 31. Fig. 32. 



Forward Propulsion of Man when Running. 



Fig. 33. Fig. 34. Fig. 35. Fig. 36. 



Forward Propulsion of Man in Standing Leap. 



A horse's fore limb is raised from the ground and brought to the front 

 in the following manner : The shoulder-blade {scapula, Fig. 18) is 

 rotated, chiefly by its upper end being pulled downwards by the 

 posterior portion of the serratus niagnus (p. 42), and by its lower 

 end being drawn upwards by the levator humeri (p. 43), which also 



