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. 2017 Nov 14;18(Suppl 8):821. doi: 10.1186/s12864-017-4186-4

Fig. 4.

Fig. 4

Percentage change of lactate threshold and 20-km time trial after 4 wk. of HIIT as compared with the individual baseline measures (n = 39). a Change of lactate threshold after HIIT in percentage; b Change of 20-km time trial after HIIT in percentage