| Weightbearing ankle dorsiflexion range of motion | Foot Posture Index (FPI) | Foot mobility | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 |  |  | Arch Height Difference^ | Midfoot Width Difference^ | Foot Mobility Magnitude | ||||||||||
 | Correlation | R2 | p value | Correlation | R2 | p value | Correlation | R2 | p value | Correlation | R2 | p value | Correlation | R2 | p value |
Knee pain provocation tests: | |||||||||||||||
Repeated single step-ups | 0.136 | 0.018 | 0.070 | − 0.183 | − 0.033 | 0.021* | − 0.094 | − 0.009 | 0.212 | − 0.133 | − 0.018 | 0.076 | − 0.201 | − 0.040 | 0.007* |
Repeated double-leg sit-to-stand | 0.125 | 0.016 | 0.135 | −0.202 | − 0.041 | 0.021* | − 0.045 | − 0.002 | 0.591 | − 0.096 | − 0.009 | 0.267 | − 0.170 | − 0.029 | 0.043* |
Patient-reported measures of knee symptoms and function: | |||||||||||||||
Average knee pain | −0.277 | − 0.077 | < 0.001* | − 0.059 | − 0.003 | 0.461 | 0.036 | 0.001 | 0.628 | −0.053 | − 0.003 | 0.482 | 0.030 | 0.001 | 0.693 |
Worst knee pain | −0.140 | −0.020 | 0.059 | −0.035 | − 0.001 | 0.664 | 0.037 | 0.001 | 0.625 | −0.057 | −0.003 | 0.444 | 0.019 | 0.000 | 0.799 |
Max knee pain during stair ambulation | −0.173 | −0.030 | 0.020* | −0.007 | − 0.000 | 0.932 | 0.008 | 0.000 | 0.920 | 0.047 | 0.002 | 0.534 | 0.040 | 0.002 | 0.596 |
Max knee pain during squatting | −0.059 | −0.003 | 0.433 | 0.039 | 0.002 | 0.629 | 0.133 | 0.018 | 0.078 | 0.146 | 0.021 | 0.052 | 0.105 | 0.011 | 0.163 |
Max knee pain rising from sitting | −0.073 | −0.005 | 0.331 | 0.002 | 0.000 | 0.979 | 0.068 | 0.005 | 0.366 | 0.001 | 0.000 | 0.988 | 0.064 | 0.004 | 0.398 |
AKPS | 0.159 | 0.025 | 0.032* | −0.124 | −0.015 | 0.118 | −0.124 | − 0.015 | 0.098 | − 0.037 | −0.001 | 0.626 | −0.116 | − 0.013 | 0.123 |
KOOS-symptoms | 0.062 | 0.004 | 0.405 | 0.052 | 0.003 | 0.517 | −0.045 | − 0.002 | 0.547 | 0.108 | 0.012 | 0.150 | −0.039 | −0.002 | 0.603 |
KOOS-pain | 0.074 | 0.005 | 0.319 | 0.093 | 0.009 | 0.241 | −0.057 | −0.003 | 0.449 | 0.077 | 0.006 | 0.304 | −0.039 | −0.002 | 0.600 |
KOOS-ADL | 0.091 | 0.008 | 0.223 | 0.082 | 0.007 | 0.300 | −0.095 | −0.009 | 0.205 | 0.066 | 0.004 | 0.381 | −0.091 | −0.008 | 0.225 |
KOO-sport/rec | 0.058 | 0.003 | 0.441 | 0.032 | 0.001 | 0.690 | −0.011 | −0.000 | 0.883 | 0.000 | 0.000 | 0.996 | −0.018 | −0.000 | 0.807 |
KOOS-QoL | 0.084 | 0.007 | 0.262 | 0.078 | 0.006 | 0.326 | 0.042 | 0.002 | 0.572 | 0.003 | 0.000 | 0.964 | 0.019 | 0.000 | 0.802 |
KOOS-PF | 0.048 | 0.002 | 0.522 | 0.026 | 0.001 | 0.746 | 0.042 | 0.002 | 0.579 | −0.006 | −0.000 | 0.941 | 0.009 | 0.000 | 0.905 |