Fig. 2
Regression analysis to explain fitness levels and ATL (the average of the three stages) with the LF-2D:4D ratio The ratio of the length of the digit two to four fingers the left hand; ISH isometric muscular strength of the hamstring muscles; ISQ isometric muscular strength of the quadriceps muscles; H/Q the strength of isometric hamstring /quadriceps ratio; VO2max maximal oxygen uptake; CMJ countermovement jump; ATL accumulated training load; Nm Newton meter; AU arbitrary unit. *Represent significant differences in forecast (p ≤ 0.05)