Physical Therapy Korea
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Average values of outcome variables

Outcome variables Forward Sideways Backward



KF KOK KOM KF KOK KOM KF KOK KOM
Onset time (ms) Ilio 324 ± 160 313 ± 212 245 ± 105 289 ± 153 338 ± 259 262 ± 214 266 ± 182 282 ± 172 305 ± 197
Gmed 276 ± 114 304 ± 120 268 ± 116 236 ± 91 333 ± 119 337 ± 305 304 ± 207 369 ± 246 307 ± 177
Gmax 344 ± 202 415 ± 207 330 ± 225 296 ± 145 302 ± 149 291 ± 168 415 ± 285 417 ± 326 338 ± 125
ADDL 346 ± 242 289 ± 153 192 ± 75 221 ± 85 234 ± 128 205 ± 76 259 ± 150 254 ± 94 229 ± 143
Activity at the time of hip impact (%) Ilio 70.4 ± 16.6 72.3 ± 17.3 69.7 ± 17.7 74.6 ± 17.5 79.1 ± 11.1 67.5 ± 17.6 72.2 ± 23.5 70.2 ± 24.6 74.5 ± 12.4
Gmed 33.8 ± 15.8 41.1 ± 21.6 48.4 ± 19.7 31.5 ± 15.9 42.6 ± 23.7 53.0 ± 21.4 45.6 ± 21.2 54.4 ± 26.8 56.8 ± 15.4
Gmax 54.8 ± 22.1 51.0 ± 22.0 74.0 ± 17.4 56.5 ± 20.4 64.4 ± 19.1 77.0 ± 18.5 64.7 ± 22.7 58.3 ± 25.4 77.7 ± 19.7
ADDL 62.6 ± 21.6 68.4 ± 20.3 60.8 ± 24.2 62.6 ± 19.5 64.2 ± 23.4 56.8 ± 19.4 64.1 ± 19.9 66.5 ± 27.7 64.8 ± 21.6
Timing of the peak activity with respect to the hip impact (ms) Ilio 81 ± 45 100 ± 88 85 ± 67 80 ± 54 105 ± 163 96 ± 95 165 ± 288 163 ± 226 82 ± 59
Gmed 105 ± 22 93 ± 26 80 ± 26 107 ± 29 98 ± 41 98 ± 74 101 ± 69 99 ± 69 90 ± 58
Gmax 75 ± 24 95 ± 76 51 ± 26 115 ± 105 75 ± 38 62 ± 61 87 ± 72 143 ± 177 57 ± 73
ADDL 160 ± 114 169 ± 116 143 ± 108 255 ± 384 192 ± 170 165 ± 93 171 ± 153 158 ± 132 214 ± 297

Values are presented as mean ± standard deviation. KF, knee free of constraint; KOK, knee contacted the contralateral knee; KOM, knee contacted the mat; Ilio, iliopsoas muscle; Gmed, gluteus medius muscle; Gmax, gluteus maximus muscle; ADDL, adductor longus muscle.

Phys. Ther. Korea 2021;28:84~91 https://doi.org/10.12674/ptk.2021.28.1.84
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