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. 2018 Mar 28;13(3):e0193841. doi: 10.1371/journal.pone.0193841

Table 1. Relative differences and qualitative outcomes in cross-sectional area (CSA), functional test post a unilateral squat training period.

Data are mean ± SD.

Variable Pre Post % Diff (CL) ES (CL) Chances % Qualitative magnitude
MRI
VL+VI 42.16 ± 10.46 43.71 ± 9.75 4.34 (-4.89; 14.46) 0.16 (-0.19; 0.52) 43/53/5 Unclear
RF 7.24 ± 1.86 7.20 ± 2.19 -1.91 (-11,91; 9,22) -0.07 (-0.47; 0.33) 12/59/29 Unclear
VM 17.14 ± 4.09 19.31 ± 5.14 12.66 (6.35; 18.97) 0,41 (0.21; 0.61) 95/5/0 Very Likely
AM 18.06 ± 3.02 20.08 ± 3.23 11.13 (4.86; 17.77) 0.61 (0.27; 0.95) 98/2/0 Very Likely
MG 15.48 ± 4.17 16.70 ± 4.25 8.22 (3.60; 13.05) 0.27 (0.12; 0.42) 79/21/0 Likely
LG 10.35 ± 2.43 10.43 ± 2.47 0.53 (-9.56; 11.75) 0.02 (-0.41; 0.45) 24/58/19 Unclear
S 28.12 ± 3.84 29.22 ± 4.07 3.81 (-0.42; 8.21) 0,26 (-0.03; 0.56) 65/34/1 Unclear
Field Test
CMJ (cm) 34.42 ± 4,91 35.98 ± 4,89 4.69 (1,76; 7,70) 0.28 (0.11; 0.45) 78/22/0 Likely
T-10m (s) 1.79 ± 0.19 1,85 ± 0.08 4.14 (-2.91; 11.71) 0.31 (-0.22; 0.84) 64/30/6 Unclear
COD180d (s) 2.70 ± 0.11 2.66 ± 0.12 -1.22 (-2.40; -0.02) -0.29 (-0.57; -0.01) 0/29/71 Unclear
COD180nd (s) 2.68 ± 0.12 2.64 ± 0.14 -1.53 (-3.35; 0.33) -0.33 (-0.74; 0.07) 2/26/72 Unclear
COD90d (s) 2.54 ± 0.13 2.44 ± 0.15 -4.04 (-6.74; -1.27) -0.75 (-1.27; -0.23) 0/4/96 Very likely
COD90nd (s) 2.55 ± 0.16 2.46 ± 0.16 -3.60 (-5.53; -1.65) -0.54 (-0.83; -0.24) 0/3/97 Very Likely
DEC-COD180d (%) 53.11 ± 23.70 44.08 ± 6.60 -12.93 (-26.56; 3.21) -0.41 (-0.91; 0.09) 3/21/76 Likely
DEC-COD180nd (%) 52.25 ± 23.71 42.84 ± 7.76 -14.10 (-29.44; 4.57) -0.43 (-0.99; 0.13) 3/20/76 Likely
DEC-COD90d (%) 44.86 ± 25.67 32.12 ± 7.09 -23.12 (-38.35; -4.14) -0.60 (-1.11; -0.10) 1/8/91 Likely
DEC-COD90nd (%) 45.41 ± 26.92 33.10 ± 7.53 -21.16 (-34.98; -4.40) -0.51 (-0.92; -0.10) 0/10/90 Likely
Laboratory Test
POWER (w/kg) 6.82 ± 1.52 8.14 ± 2.10 18.58 (9.02; 28.96) 0.70 (0.36; 1.05) 99/1/0 Very Likely
POWERd (w/kg) 5.35 ± 1.37 7.70 ± 1.65 44.83 (27.96; 63.92) 1.44 (0.96; 1.92) 100/0/0 Almost Certainly
POWERnd (w/kg) 5.48 ± 1.12 7.46 ± 1.75 35.45 (20.64; 52.07) 1.42 (0.88; 1.97) 100/0/0 Almost Certainly

NOTE: VL+VI = Vastus lateralis and vastus intermedius; RF = rectus femoris; VM = vastus medialis; AM = adductor major; LG = lateral gastrocnemius; MG = medial gastrocnemius; P = Peroneus; S = soleus; CMJ = Couter movement junp; T-10m = time in 10 m linear sprint test; COD180d and COD180nd = time in 5+5 m sprint change of direction of 180° with dominant and non-dominat foot; COD90d and COD90nd = time in 5+5 m sprint change of direction of 90° with dominant and non-dominat foot; DEC-COD = percentage mean speed loss due to execute CODs compared to 10 m sprint time; POWER, POWERd and POWERnd = power relative to bodyweight in squat exercise with both legs, dominant leg and non-dominant leg. CL = confidence limits; ES = effect size; Chances = percentage chance of having better/similar/poorer values.