| Stair ascent | Stair descent | ||||
---|---|---|---|---|---|---|
Muscles | Knee OA | Healthy | p value | Knee OA | Healthy | p value |
 | Median | Median |  | Median | Median |  |
 | (25-75%) | (25-75%) |  | (25-75%) | (25-75%) |  |
GL1* | 0.11 | 0.11 | 0.69 | 0.09 | 0.10 | 0.74 |
(0.09-0.16) | (0.08-0.14) | (0.05-0.16) | (0.04-0.11) | |||
SO1 | 0.08 | 0.08 | 0.32 | 0.07 | 0.07 | 0.42 |
(0.05-0.09) | (0.06-0.10) | (0.04-0.10) | (0.06-0.11) | |||
TA1 | 0.04 | 0.04 | 0.14 | 0.05 | 0.05 | 0.73 |
(0.02-0.06) | (0.04-0.07) | (0.03-0.07) | (0.04-0.07) | |||
VMO1 | 0.02 | 0.02 | 0.98 | 0.03 | 0.03 | 0.57 |
(0.01-0.03) | (0.01-0.04) | (0.02-0.04) | (0.02-0.06) | |||
VML1 | 0.06 | 0.05 | 0.76 | 0.08 | 0.06 | 0.85 |
(0.04-0.08) | (0.04-0.08) | (0.05-0.11) | (0.04-0.12) | |||
VL1 | 0.06 | 0.04 | 0.39 | 0.06 | 0.06 | 0.68 |
(0.03-0.08) | (0.03-0.06) | (0.04-0.09) | (0.03-0.08) | |||
BF1 | 0.07 | 0.10 | 0.06 | 0.10 | 0.12 | 0.37 |
(0.05-0.11) | (0.08-0.13) | (0.06-0.13) | (0.06-0.14) | |||
GL2 | 0.20 | 0.16 | 0.11 | 0.48 | 0.32 | 0.05Ŧ |
(0.15-0.32) | (0.09-0.23) | (0.35-0.82) | (0.22-0.56) | |||
SO2 | 0.15 | 0.15 | 0.35 | 0.47 | 0.38 | 0.27 |
(0.11-0.21) | (0.08-0.16) | (0.33-0.62) | (0.21-0.56) | |||
TA2 | 0.18 | 0.18 | 0.43 | 0.37 | 0.33 | 0.15 |
(0.16-0.21) | (0.15-0.19) | (0.30-0.50) | (0.22-0.40) | |||
VMO2 | 0.06 | 0.04 | 0.34 | 0.30 | 0.28 | 0.28 |
(0.03-0.08) | (0.02-0.07) | (0.25-0.38) | (0.20-0.34) | |||
VML2 | 0.12 | 0.09 | 0.11 | 0.49 | 0.38 | 0.10 |
(0.09-0.16) | (0.07-0.11) | (0.35-0.65) | (0.27-0.42) | |||
VL2 | 0.12 | 0.07 | 0.10 | 0.40 | 0.31 | 0.22 |
(0.06-0.19) | (0.04-0.11) | (0.29-0.57) | (0.26-0.38) | |||
BF2 | 0.16 | 0.15 | 0.67 | 0.53 | 0.37 | 0.32 |
(0.10-0.22) | (0.11-0.27) | (0.35-0.64) | (0.30-0.67) | |||
GL3 | 0.61 | 0.57 | 0.43 | 0.80 | 0.70 | 0.57 |
(0.52-1.06) | (0.48-0.87) | (0.48-1.17) | (0.56-1.07) | |||
SO3 | 0.54 | 0.58 | 0.87 | 0.73 | 0.79 | 0.77 |
(0.39-0.76) | (0.47-0.63) | (0.56-0.81) | (0.55-0.87) | |||
TA3 | 0.38 | 0.34 | 0.38 | 0.24 | 0.19 | 0.29 |
(0.26-0.62) | (0.24-0.43) | (0.14-0.33) | (0.15-0.21) | |||
VMO3 | 0.30 | 0.30 | 0.62 | 0.15 | 0.12 | 0.70 |
(0.25-0.42) | (0.25-0.33) | (0.10-0.24) | (0.10-0.21) | |||
VML3 | 0.45 | 0.41 | 0.72 | 0.34 | 0.24 | 0.57 |
(0.39-0.69) | (0.40-0.73) | (0.23-0.47) | (0.21-0.39) | |||
VL3 | 0.49 | 0.40 | 0.24 | 0.26 | 0.20 | 0.36 |
(0.35-0.65) | (0.37-0.48) | (0.18-0.39) | (0.16-0.31) | |||
BF3 | 0.56 | 0.59 | 0.33 | 0.40 | 0.36 | 0.35 |
(0.39-0.71) | (0.46-0.87) | (0.27-0.53) | (0.33-0.61) |