Knee function | Knee-specific activity | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
KOOS Pain | KOOS Sport/rec | KOOS QoL | KOOS Q3 | TAS | ARS | |||||||
rs/rsp | p Value | rs/rsp | p Value | rs/rsp | p Value | rs/rsp | p Value | rs/rsp | p Value | rs/rsp | p Value | |
Knee ext (W) | 0.049 | 0.723 | 0.209 | 0.129 | 0.206 | 0.135 | −0.275 | 0.044 | 0.215 | 0.119 | 0.321 | 0.018 |
Knee ext (W)* | 0.105 | 0.461 | 0.098 | 0.489 | 0.187 | 0.184 | −0.233 | 0.097 | −0.012 | 0.934 | 0.281 | 0.044 |
Knee ext LSI (%) | 0.148 | 0.284 | 0.031 | 0.823 | 0.198 | 0.151 | −0.263 | 0.054 | 0.026 | 0.853 | 0.173 | 0.210 |
Knee ext LSI (%)* | 0.145 | 0.306 | 0.050 | 0.726 | 0.203 | 0.148 | −0.272 | 0.051 | 0.046 | 0.745 | 0.182 | 0.196 |
Knee flex LSI (%) | 0.035 | 0.801 | −0.131 | 0.351 | −0.063 | 0.652 | 0.116 | 0.408 | 0.224 | 0.106 | −0.007 | 0.959 |
Knee flex LSI (%)* | 0.038 | 0.791 | −0.123 | 0.391 | −0.051 | 0.720 | 0.097 | 0.498 | 0.261 | 0.064 | 0.011 | 0.939 |
Leg press LSI (%) | 0.017 | 0.903 | −0.064 | 0.647 | −0.009 | 0.949 | 0.053 | 0.706 | −0.162 | 0.241 | 0.044 | 0.750 |
Leg press LSI (%)* | 0.021 | 0.881 | −0.036 | 0.800 | 0.040 | 0.778 | −0.052 | 0.715 | −0.088 | 0.533 | 0.139 | 0.326 |
Vertical hop (cm) | 0.233 | 0.090 | 0.229 | 0.096 | 0.290 | 0.033 | −0.292 | 0.032 | 0.103 | 0.459 | 0.154 | 0.266 |
Vertical hop (cm)* | 0.308 | 0.026 | 0.145 | 0.305 | 0.281 | 0.044 | −0.246 | 0.078 | −0.097 | 0.496 | 0.058 | 0.683 |
Vertical hop LSI (%) | 0.251 | 0.067 | 0.104 | 0.453 | 0.264 | 0.054 | −0.285 | 0.037 | −0.110 | 0.430 | −0.018 | 0.898 |
Vertical hop LSI (%)* | 0.249 | 0.075 | 0.136 | 0.337 | 0.284 | 0.041 | −0.324 | 0.019 | −0.071 | 0.616 | 0.008 | 0.954 |
Side hop (n) | 0.121 | 0.382 | 0.164 | 0.236 | 0.139 | 0.317 | −0.153 | 0.270 | 0.060 | 0.668 | 0.228 | 0.097 |
Side hop (n)* | 0.139 | 0.327 | 0.109 | 0.443 | 0.109 | 0.440 | −0.105 | 0.459 | −0.045 | 0.752 | 0.181 | 0.199 |
Side hop LSI (%) | 0.254 | 0.064 | 0.221 | 0.108 | 0.248 | 0.071 | −0.165 | 0.232 | 0.182 | 0.188 | 0.145 | 0.294 |
Side hop LSI (%)* | 0.250 | 0.074 | 0.280 | 0.045 | 0.256 | 0.067 | −0.154 | 0.306 | 0.233 | 0.096 | 0.145 | 0.306 |
One leg hop LSI (%) | −0.086 | 0.535 | −0.067 | 0.631 | 0.056 | 0.689 | −0.142 | 0.307 | −0.039 | 0.777 | 0.019 | 0.894 |
One leg hop LSI (%)* | −0.088 | 0.536 | −0.075 | 0.598 | 0.046 | 0.746 | −0.122 | 0.388 | −0.062 | 0.665 | −0.001 | 0.993 |
TSP total score | −0.195 | 0.162 | −0.307 | 0.025 | −0.340 | 0.013 | 0.375 | 0.006 | −0.057 | 0.686 | 0.003 | 0.998 |
TSP total score* | −0.212 | 0.135 | −0.274 | 0.052 | −0.334 | 0.017 | 0.372 | 0.007 | 0.008 | 0.955 | 0.035 | 0.806 |
Bold numbers represent moderate correlations. Italic numbers represent close to moderate correlations. All assessment scores (except LSI) originate from the injured leg.
*Muscle function effect independent of gender and treatment.
ARS, Activity Rating Scale for disorders of the knee; KOOS, the Knee Injury and Osteoarthritis Outcome Score—function in sport and recreation (Sport/rec), knee-related quality of life (QoL), knee confidence (Q3); LSI, limb symmetry index; TAS, Tegner Activity scale; TSP, Test for Substitution Patterns; W, watt.