Table 2.
Physiological, biomechanical and performance values (means ± SD) associated with the repeated sprints with and without the compression garment with adhesive silicone stripes (CGSS)
|
Variable |
Sprints 01-10 |
Sprints 11-20 |
Sprints 21-30 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CGSS | Control | P value | ES d | CGSS | Control | P value | ES d | CGSS | Control | P value | ES d | |
|
Sub-study 1 (n = 12) | ||||||||||||
| Time [s] |
4.97 ± 0.21 |
5.00 ± 0.22 |
0.28 |
0.22 |
5.09 ± 0.29 |
5.12 ± 0.29 |
0.09 |
0.14 |
5.12 ± 0.29 |
5.21 ± 0.34 |
0.02 |
0.37 |
| Oxygen uptake [mL∙min-1] |
2.51 ± 0.53 |
2.45 ± 0.48 |
0.47 |
0.17 |
2.62 ± 0.63 |
2.65 ± 0.64 |
0.77 |
0.08 |
2.59 ± 0.6 |
2.63 ± 0.64 |
0.71 |
0.09 |
| Ventilation [L∙min-1] |
69.1 ± 9.9 |
68.3 ± 12.6 |
0.68 |
0.1 |
76.5 ± 7.1 |
78 ± 10.5 |
0.53 |
0.23 |
77.3 ± 8.3 |
79.1 ± 9.1 |
0.3 |
0.31 |
| Heart rate [bpm] |
169 ± 7.5 |
169 ± 7.5 |
0.92 |
0.04 |
178 ± 8.2 |
177 ± 5.5 |
0.59 |
0.2 |
177 ± 8.5 |
178 ± 7.2 |
0.45 |
0.2 |
| Blood lactate [mmol∙L-1] |
5.53 ± 1.54 |
6.17 ± 2.03 |
0.13 |
0.5 |
6.55 ± 1.92 |
7.29 ± 1.9 |
0.16 |
0.54 |
6.46 ± 2.03 |
6.84 ± 1.74 |
0.45 |
0.29 |
| Tissue saturation index [%] |
93.3 ± 3 |
92.9 ± 3.9 |
0.68 |
0.14 |
91.2 ± 3.4 |
92.2 ± 4 |
0.27 |
0.35 |
90.7 ± 3.5 |
91.5 ± 4.6 |
0.34 |
0.27 |
| Oxy-hemoglobin [μM∙cm] |
101 ± 10.8 |
95 ± 10.4 |
0.06 |
0.71 |
108 ± 14.5 |
107 ± 17.2 |
0.8 |
0.08 |
109 ± 15.7 |
110 ± 22.6 |
0.83 |
0.07 |
| Deoxy-hemoglobin [μM∙cm] |
108 ± 6.3 |
108 ± 7.7 |
0.87 |
0.06 |
113 ± 7.7 |
116 ± 11.7 |
0.26 |
0.42 |
114 ± 8.7 |
119 ± 16.9 |
0.25 |
0.51 |
| Total hemoglobin [μM∙cm] |
103 ± 7.2 |
100 ± 8 |
0.4 |
0.44 |
109 ± 8.7 |
111 ± 14.4 |
0.61 |
0.21 |
110 ± 9.5 |
113 ± 20 |
0.41 |
0.33 |
| Rating of perceived exertion [Borg’s Scale] | ||||||||||||
| Whole-body |
10 ± 2.3 |
10 ± 2.3 |
0.98 |
0.01 |
14.6 ± 2.2 |
15.4 ± 1.9 |
0.09 |
0.58 |
17.6 ± 2.3 |
18.5 ± 1.3 |
0.13 |
0.68 |
| Upper leg muscles |
9.5 ± 2.7 |
10.4 ± 2.5 |
0.29 |
0.49 |
13 ± 3.3 |
14.9 ± 1.7 |
0.04 |
1.0 |
15.7 ± 3.2 |
17.7 ± 1.9 |
0.01 |
1.1 |
| Lower leg muscles |
8.6 ± 2.3 |
8.3 ± 2.3 |
0.5 |
0.19 |
11.4 ± 3.2 |
11.7 ± 3.2 |
0.58 |
0.12 |
13.6 ± 3.7 |
14 ± 4 |
0.64 |
0.15 |
|
Sub-study 2 (n = 12) | ||||||||||||
| Time [s] |
4.87 ± 0.31 |
4.88 ± 0.39 |
0.73 |
0.07 |
4.88 ± 0.31 |
4.95 ± 0.40 |
0.08 |
0.25 |
4.85 ± 0.31 |
4.99 ± 0.36 |
<0.01 |
0.61 |
| Hip flexion angle [°] |
95.3 ± 4.6 |
102.8 ± 7.5 |
<0.01 |
1.69 |
96.4 ± 6.3 |
106.7 ± 6.4 |
<0.01 |
2.28 |
98.4 ± 6.4 |
106.3 ± 6.1 |
<0.01 |
1.78 |
| Step length [m] |
2.24 ± 0.1 |
2.17 ± 0.13 |
0.03 |
0.85 |
2.23 ± 0.13 |
2.16 ± 0.16 |
0.07 |
0.61 |
2.24 ± 0.14 |
2.14 ± 0.17 |
0.01 |
0.91 |
| Step frequency [Hz] |
3.66 ± 0.23 |
3.65 ± 0.21 |
0.78 |
0.08 |
3.64 ± 0.23 |
3.65 ± 0.26 |
0.91 |
0.03 |
3.66 ± 0.24 |
3.63 ± 0.26 |
0.34 |
0.2 |
| iEMG [%] | ||||||||||||
| Gluteus maximus |
91.8 ± 11.8 |
81.7 ± 13.3 |
0.04 |
1.14 |
91.5 ± 28.3 |
83.5 ± 19.6 |
0.37 |
0.46 |
93.9 ± 31.9 |
79.2 ± 14 |
0.13 |
0.84 |
| Rectus femoris |
92.7 ± 12.6 |
96.7 ± 13.5 |
0.36 |
0.44 |
91.1 ± 11 |
86.8 ± 15.5 |
0.5 |
0.45 |
95.4 ± 18.5 |
78.9 ± 19.2 |
0.01 |
1.24 |
| Vastus lateralis |
88.6 ± 14.7 |
84.2 ± 6.5 |
0.31 |
0.55 |
89.8 ± 19.9 |
85.1 ± 13.1 |
0.53 |
0.39 |
95.1 ± 23.9 |
84.7 ± 10.6 |
0.23 |
0.8 |
| Biceps femoris |
91.3 ± 21.8 |
90.3 ± 6.3 |
0.88 |
0.08 |
87.7 ± 19.3 |
85.8 ± 13.8 |
0.79 |
0.16 |
92.1 ± 24.4 |
83.8 ± 15.5 |
0.32 |
0.58 |
| Gastrocnemius medialis | 88.8 ± 18.7 | 86.5 ± 13.4 | 0.63 | 0.21 | 92 ± 28.7 | 89.8 ± 15.5 | 0.79 | 0.13 | 96.2 ± 39.5 | 102.4 ± 24.5 | 0.65 | 0.26 |
Abbreviations. iEMG, integrated EMG; ES, Effect size.