Table 1. Anthropometric and bioelectrical variables before (PRE), after (POST), and 48 hours after the race (POST48h).
PRE POST POST48h PRE–POST Δ-value (%) Cohen’s d
POST–POST48h PRE–POST48h PRE–POST POST–POST48h PRE–POST48h
Anthropometric
BM (kg) 76.0 (6.9) 72.1 (6.1) 75.0 (6.3) -5.0 (0.9)* 4.0 (0.9)* -1.3 (1.1)* 3.9 -4.3 1.1
CRT (mm) 54.0 (1.7) 53.3 (1.9) 53.9 (1.7) -1.3 (1.7) 1.1 (1.8) -0.2 (0.3) 0.8 -0.6 0.8
CLT (mm) 54.2 (1.8) 53.5 (2.0) 54.1 (1.7) -1.2 (1.7) 1.1 (1.7) -0.2 (0.3) 0.7 -0.6 0.5
CRC (mm) 38.1 (1.3) 37.7 (1.5) 38.0 (1.3) -1.1 (1.6) 0.9 (1.6) -0.3 (0.4) 0.7 -0.6 0.8
CLC (mm) 38.3 (1.3) 37.8 (1.5) 38.2 (1.2) -1.2 (1.6) 1.0 (1.8) -0.2 (0.4) 0.7 -0.5 0.6
Bioelectrical
R (Ω) 452.6 (45.8) 470.0 (56.6) 435.2 (46.4) 3.7 (2.3)* -7.2 (2.9)* -3.9 (2.1)* -1.4 2.2 1.9
Xc (Ω) 60.6 (4.4) 65.6 (4.6) 55.5 (3.7) 8.3 (3.7)* -15.2 (4.5)* -8.2 (4.8)* -2.3 3.0 1.7
Z (Ω) 456.6 (45.8) 474.6 (56.5) 438.8 (46.2) 3.8 (2.3)* -7.4 (2.9)* -3.9 (2.0)* -1.5 2.2 2.0
R/h (Ω/m) 258.4 (22.4) 268.3 (28.3) 248.6 (24.0) 3.7 (2.3)* -7.2 (2.9)* -3.9 (2.1)* -1.5 2.3 1.9
Xc/h (Ω/m) 34.7 (2.8) 37.5 (2.8) 31.8 (2.4) 8.3 (3.7)* -15.2 (4.5)* -8.2 (4.8)* -2.3 3.0 1.7
Z/h (Ω/m) 260.8 (22.4) 270.9 (28.3) 250.7 (23.9) 3.8 (2.3)* -7.4 (2.9)* -3.9 (2.0)* -1.5 2.3 2.0
PA (Ω) 7.7 (0.5) 8.0 (0.7) 7.3 (0.7) 3.7 (4.9) -8.7 (4.9)* -5.4 (6.4) -0.8 1.7 0.9
r (R/h, Xc/h) 0.52 0.65 0.27
Values are mean ± SD (95% CI); BM, body mass; CRT, circumference of the right thigh; CLT, circumference of the left thigh; CRC, circumference of the right calf; CLC, circumference of the left calf; R, resistance; Xc, reactance; Z, impedance vector module; h, body height; PA, phase angle; r, Pearson’s correlation coefficient between R/h and Xc/h; time-point differences:
*RM-ANOVA, repeated measures analysis of variance with Bonferroni post-hoc test, significance at padj < 0.017
†, medium effect size (d ≤ 0.5)
‡, large effect size (d ≤ 0.8).