Table 2. Mean (±SD) physiological responses, velocity at different training intensities and peak force in both soccer and running groups, before and after 8-week exercise intervention protocol.
Soccer Group
Running Group
ES
Pre
Post
ES
Pre
Post
VO2max (ml·kg-1·min-1)
37.0 (6.4)
41.4 (6.0)*
.7
36.5 (6.2)
42.2 (5.5)*
1.0
VO2@LT (ml·kg-1·min-1)
20.6 (6.3)
28.4 (6.0)**
1.2
25.5 (4.4)
31.3 (4.7)**
1.3
VO2@OBLA (ml·kg-1·min-1)
27.2 (6.8)
34.7 (7.8)***
1.0
27.7 (6.5)
36.4 (5.3)***
1.5
%VO2@LT (%)
59.7 (13.4)
68.3 (10.6
.7
70.1 (6.0)
74.3 (7.9)
.6
%VO2@OBLA (%)
76.8 (9.3)
83.0 (12.9)*
.6
79.5 (9.9)
87.2 (8.6)*
.8
[La]PEAK (mmol·L-1)
10.3 (2.3)
9.8 (2.2)
-.2
9.5 (1.9)
8.5 (1.5)
-.5
HRMAX (bpm)
189(7)
186(6)
-.9
193 (4.7)
189(9)
-.3
HRLT (bpm)
127(23)
134(14)
.4
128(27)
136(20)
.3
HROBLA (bpm)
164(13)
164(2)
.0
163(15)
172(12)
.7
%HRLT (bpm)
67.3 (11.9)
70.5 (6.6)
.3
66.2 (13.6)
70.3 (9.9)
.4
%HROBLA (bpm)
85.7 (5.9)
85.7 (7.0)
.0
84.4 (7.0)
88.8 (5.4)
.7
vVO2max (km·h-1)
10.6 (1.6)
11.4 (1.5)*
.5
9.2 (.9)
10.2 (.9)*
1.0
PV (km·h-1)
11.2 (1.7)
11.9 (1.6)*
.4
9.9 (.6)
11.5 (.6)*
2.3
vLT (km·h-1)
6.1 (.7)
6.7 (.9)**
.8
6.0 (.8)
7.0 (1.2)**
.9
vOBLA (km·h-1)
7.24 (1.1)
8.1 (1.5)**
.6
7.1 (1.1)
8.4 (1.1)**
1.2
Peak Force (kgf)
90.5 (15.5)
99.4 (21.1)
.3
68.2 (19.0)
74.7 (21.6)
0.3
VO2max = maximal oxygen uptake; VO2@LT = VO2 at the lactate threshold; VO2@OBLA = VO2 at the onset of blood lactate accumulation; %VO2@LT = percent of VO2max at the lactate threshold; %VO2@OBLA = percent of VO2max at the onset of blood lactate accumulation; [La]PEAK = peak of lactate; HRMAX = maximal heart rate; HRLT = heart rate at the lactate threshold; HROBLA=heart rate at the onset of blood lactate accumulation; %HRLT = percent of heart rate at the lactate threshold; %HROBLA = percent of heart rate at the onset of blood lactate accumulation; vVO2max = velocity associated with VO2max; PV = peak velocity; vLT = velocity at the lactate threshold; vOBLA = velocity at the onset of blood lactate accumulation; ES = effect size.
* p < 0.05
** p < 0.01
*** p < 0.001 to Intra-group comparison (pre vs. post); * p < 0.05 to † Inter-group comparison.