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Fig. 6. Energy cost of sprint running Csr (J
kg1 m1), as calculated by means of Eq. 14,
as a function of the distance d (m) for subject 7. Energy cost of
constant speed running is indicated by the lower horizontal thin line. Black
and hatched distances between appropriate lines indicate effects of EM and ES,
respectively. Upper horizontal thin line indicates average
Csr throughout the indicated distance.