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. 2020 Oct 26;11:581339. doi: 10.3389/fphys.2020.581339

TABLE 5.

Delta correlations between physiological and performance variables and training (n = 29).

Variables RUN-VO2max DP-VO2peak CDP MAS LTv TTDP
Total training 0.11 −0.01 −0.25 0.19 0.35 −0.13
Ski specific training 0.08 −0.03 −0.34 0.28 0.48** −0.06
LITski 0.07 −0.11 −0.41* 0.29 0.45* −0.05
Strength training 0.15 −0.08 −0.30 0.16 0.36 −0.32

Values are correlation coefficient r for delta physiological values from POST1 to POST2, and delta training values that showed significant differences from 1st training period to 2nd training period. RUN-VO2max, maximal oxygen uptake in running in milliliters per kilogram body weight raised to the power of −0.67 per minute. DP-VO2peak, peak oxygen uptake in double poling in milliliters per kilogram body weight raised to the power of −0.67 per minute. CDP, oxygen cost of double poling in milliliters per kilogram bodyweight per meter. MAS, maximal aerobic speed. LTv, velocity at lactate threshold. TTDP, double poling time trial. LITski, ski-specific low intensity training. * p < 0.05 significant correlation. ** p < 0.01 significant correlation.