Athletes in Action

55 DI TA ER IN (3) As the right leg wings through (Fig. 3, page oppo ite), in c ntinuation f the leg-drive, shown in Fig. 2 the body corrects its slight forward lean and becomes again upright, with the head set directly ab vc the centre of gravity. ot that the win of th arms bent at the elbO'\; and the light twi t of the h uld r are mbining to iv th runner a considerable thru t forward; but although the h uldcrs arc being twi red or swung in corr p nding prop rti n to the wing f the arm , the hips till r main quare to th direction of the runn r pr gr s . Th long hang of the rear 1 g i no le notable than the direct downward hang f th ] ading leg from belm the kn c. Thi a tion all w the athlete to prolong th bounding acti n whil still contr lling the bound in u h a way that ther i no wa t d pringing ncrgy. Th fe t pa conomically c1o c ab Ye the surfa c of th tra k. otc that as y t there is being made n attempt t str t h out th leading foot and, again, the r ad r .hould bserv that th bending f the arm at the lbov, and th leg at th knc s ar in dire t oppositr relati n that i to ay the flexion of the 1 ft leg corresponds t that f th right arm and vice '<-'trsa the amc tatc of things holding good al o wh ·re the wrist and ankle on ppositc idc of th bod} ar one rncd. 'J hroughout athletic s i n c, in fact, the agreem nt in a tion bcnH. ·n right 1 g wi h 1 ft arm and vice vNsa h ld good. J t i curious to note how p ·rfe tly the r ar f ot which ha at t resent n w rk t d pr long the hang of th rear leg and pr sen cs the take- ff angle of th foot at the mpletion of the lcg-dri\ , shown in Fig. 2, \<vhil t the right wri t i · dropped to corrc pond with the hang of the left foot.