International Journal of Interdisciplinary Research
From: Effects of wearing knee-guards on skin pressure and skin blood flow during dynamic motions
 | Knee guard condition | Mean | Control condition | Mean | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Front thigh | Middle knee | Side knee | Front calf | Front thigh | Middle knee | Side knee | Front calf | |||
1. Standing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
2. Sitting | 5 ± 0a | − 37 ± 1a | 7 ± 0a | − 6 ± 0a | − 8 ± 1a | − 1 ± 0a | − 53 ± 2a | − 2 ± 0a | − 1 ± 0a | − 14 ± 2a |
4. Switching directions | 72 ± 1d | 158 ± 2c | 157 ± 2d | 106 ± 2c | 123 ± 3c | 134 ± 1c | 161 ± 2bc | 109 ± 1c | 140 ± 2c | 136 ± 2c |
6. Long kicking | 68 ± 2c | 158 ± 3c | 146 ± 3c | 114 ± 2d | 121 ± 4c | 182 ± 19d | 166 ± 4c | 122 ± 2d | 148 ± 2d | 155 ± 3d |
8. Instep kicking | 54 ± 1b | 147 ± 3b | 113 ± 2b | 80 ± 2b | 98 ± 4b | 114 ± 1b | 157 ± 3b | 103 ± 3b | 101 ± 1b | 119 ± 3b |
10. Jumping | 114 ± 3e | 207 ± 6d | 198 ± 5e | 152 ± 5e | 168 ± 4d | 248 ± 5e | 204 ± 4d | 181 ± 3e | 221 ± 3e | 213 ± 3e |
Total | 55 ± 3 | 105 ± 7 | 110 ± 5 | 76 ± 4 | 87 ± 3 | 113 ± 6 | 103 ± 8 | 86 ± 5 | 105 ± 6 | 102 ± 3 |
P-value | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 |