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Table 2 Correlation coefficients between leg bone length variables and sprint performance (International Amateur Athletic Federation score) in 100-m and 400-m specialized sprinters

From: A pilot study on a potential relationship between leg bone length and sprint performance in sprinters; are there any event-related differences in 100-m and 400-m sprints?

 100-m sprinters400-m sprinters
R [lower limit, upper limit]P valueR [lower limit, upper limit]P value
Leg bone length
 Femur− 0.166 [− 0.508, 0.221]0.3990.007 [− 0.367, 0.379]0.970
 Tibia− 0.173 [− 0.513, 0.214]0.3800.336 [− 0.042, 0.630]0.081
Relative leg bone length
 Femur0.004 [− 0.370, 0.377]0.983− 0.273 [− 0.586, 0.111]0.160
 Tibia− 0.036 [− 0.404, 0.342]0.8570.257 [− 0.128, 0.575]0.187
Total bone length
 Femur + Tibia− 0.174 [− 0.514, 0.213]0.3760.191 [− 0.196, 0.527]0.330
Relative total leg bone length
 Femur + Tibia− 0.016 [− 0.387, 0.359]0.9350.040 [− 0.338, 0.407]0.841
Ratio between leg bone lengths
 Tibia/Femur− 0.017 [− 0.388, 0.358]0.9320.445 [0.086, 0.702]0.018
  1. International Amateur Athletic Federation scores, based on the personal best times of each event for 100-m and 400-m specialized sprinters were used as parameters for sprint performance. Italic values indicate a significant correlation (P < 0.05) between leg bone length variable and sprint performance in 400-m specialized sprinters