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Table 3 Correlation between 2D:4D and cumulative WL parameters

From: Association between 2D:4D ratios and sprinting, change of direction ability, aerobic fitness, and cumulative workloads in elite youth soccer players

Variables

β1

β2

β3

β4

β5

β6

β7

β8

β9

β10

β11

β12

β13

β14

Right 2D (β1)

1.000

             

Right 4D (β2)

0.742#

1.000

            

Dif-L-R ratio (β3)

0.376

-0.340

1.000

           

Left 2D (β4)

0.992£

0.719§

0.400

1.000

          

Left 4D (β5)

0.736§

0.984£

-0.326

0.714§

1.000

         

Dif-L-F ratio (β6)

0.352

-0.331

0.956£

0.393

-0.360

1.000

        

LF-2D:4D (β7)

0.365

-0.351

0.998£

0.389

-0.336

0.953£

1.000

       

RF-2D:4D (β8)

0.361

-0.325

0.961£

0.403

-0.351

0.998£

0.959£

1.000

      

AW (β9)

0.316

0.500#

-0.244

0.312

0.456*

-0.161

-0.259

-0.185

1.000

     

ACWR (β10)

-0.281

− 0.467*

0.250

-0.277

-0.422

0.166

0.264

0.189

-0.992£

1.000

    

CW (β11)

0.258

0.450*

-0.257

0.258

0.404

-0.167

-0.271

-0.191

0.987£

-0.997£

1.000

   

TD-top (β12)

-0.042

-0.030

-0.018

-0.067

-0.030

-0.043

-0.008

-0.040

0.331

-0.313

0.289

1.000

  

TD-average (β13)

-0.042

-0.030

-0.018

-0.067

-0.030

-0.043

-0.008

-0.040

0.331

-0.313

0.289

1.000£

1.000

 

acWL (β14)

0.150

0.123

0.031

0.168

0.101

0.100

0.024

0.079

0.844§

-0.846§

0.842§

0.534#

0.534#

1.000

  1. Significant differences (p ≤ 0.05) are highlighted in bold; 2D: Second digit; 4D: Fourth digit; Dif-R-L-Ratio: Difference right-fingers; Dif-L-R-Ratio: Difference left-fingers; LF-2D:4D: Ratio minus left-fingers; RF-2D:4D: Ratio minus right-fingers; AW: Accumulated acute workload in the season; CW: Accumulated chronic workload in the season; RPE: Rate of perceived exertion; ACWR: Acute chronic workload ratio; TD-top: Total time duration; TD-average: Average time duration; acWL: Accumulated workload training; *: Moderate effect; #: Large effect.; §: Very large effect; £: Nearly perfect effect