Exercise Alters Gait Pattern but Not Knee Load in Patients with Knee Osteoarthritis
Table 3
Joint mechanics at 1st peak knee abductor moment.
Group
Evaluation time
Group effect (baseline)
Group effect (follow-up)
Treatment effect
Baseline
Follow-up
Mean difference of 95% CI
Mean difference of 95% CI
Mean difference of 95% CI
Mean
SD
Mean
SD
Frontal GRF (% BW)
Control
95.81
5.64
0.81~1
0.81
0.6~1
0.72
N/A
N/A
OA
97.54
2.51
97.17
3.76
−3.5~4.2
0.82
Frontal lever arm (% LL)
Control
2.95
0.91
0~0.18
0.02
0~0.2
0.06
N/A
N/A
OA
4.56
1.29
4.37
1.02
−0.5~0.9
0.53
Ankle In(+)/Ev(−) angle
Control
−1.43
4.38
0.35~0.85
0.56
0.35~0.8
0.56
N/A
N/A
OA
−3.08
2.36
−2.68
2.37
−2.4~1.6
0.62
Ankle IR(+)/ER(−) angle
Control
0.67
3.36
0.6~1
0.72
0.04~0.5
0.24
N/A
N/A
OA
−0.46
1.97
−1.44
2.24
−0.4~2.3
0.12
Ankle Do(+)/Pl(−) angle
Control
3.46
4.52
0.15~0.65
0.41
0.15~0.6
0.29
N/A
N/A
OA
1.37
3.13
0.73
2.75
−1.2~2.5
0.42
Ankle In(−)/Ev(+) moment
Control
−0.19
0.62
0.15~0.65
0.29
0.43~0.9
0.64
N/A
N/A
OA
−0.32
0.11
−0.20
0.27
−0.5~0.2
0.43
Ankle IR(−)/ER(+) moment
Control
−0.99
0.68
0.21~0.72
0.48
0.15~0.6
0.35
N/A
N/A
OA
−1.30
0.45
−1.31
0.39
−0.2~0.3
0.95
Ankle Do(−)/Pl(+) moment
Control
2.97
2.39
0~0.31
0.08
0.04~0.5
0.16
N/A
N/A
OA
4.21
1.04
4.12
0.89
−0.7~0.9
0.77
Hip Add(+)/Abd(−) angle
Control
8.29
2.01
0.35~0.85
0.56
0.04~0.5
0.24
N/A
N/A
OA
8.93
2.04
7.29
1.30
−0.5~3.8
0.10
Hip IR(+)/ER(−) angle
Control
−3.24
3.56
0~0.4
0.1
0.43~0.9
0.64
N/A
N/A
OA
−0.23
2.27
−4.19
2.01
−0.1~8
0.05†
Hip Flex (+)/Ex(−) angle
Control
4.05
23.17
0.82~1
1
0.82~1
1.00
N/A
N/A
OA
8.75
6.27
9.87
5.55
−5.7~3.4
0.55
Hip Add(−)/Abd(+) moment
Control
9.03
5.25
0.04~0.49
0.19
0.15~0.6
0.41
N/A
N/A
OA
12.28
0.94
11.75
1.25
−0.8~1.9
0.36
Hip IR(−)/ER(+) moment
Control
0.41
0.64
0.04~0.49
0.19
0~0.2
0.00
N/A
N/A
OA
0.96
0.82
2.34
0.56
−2.60.1
0.04†
Hip Flex (−)/Ex(+) moment
Control
1.24
1.13
0.04~0.49
0.16
0.15~0.6
0.35
N/A
N/A
OA
2.41
1.85
2.19
1.78
−2.3~2.7
0.83
Knee Add(+)/Abd(−) angle
Control
−0.50
3.33
0.35~0.85
0.56
0.43~0.9
0.64
N/A
N/A
OA
0.15
2.76
−0.17
2.08
−1.2~1.9
0.62
Knee IR(+)/ER(−) angle
Control
−0.19
1.83
0.35~0.85
0.56
0~0.2
0.01
N/A
N/A
OA
−0.92
2.36
−2.85
1.86
−1.1~4.9
0.16
Knee Flex (+)/Ex(−) angle
Control
6.86
23.12
0.15~0.65
0.35
0.15~0.6
0.35
N/A
N/A
OA
9.68
6.43
9.99
5.66
−3.7~3.1
0.83
Knee Add(−)/Abd(+) moment
Control
2.85
1.77
0~0.18
0.01
0~0.2
0.01
N/A
N/A
OA
4.96
1.14
4.88
0.81
−0.5~0.7
0.74
Knee IR(−)/ER(+) moment
Control
−0.35
0.24
0~0.18
0.01
0~0.2
0.03
N/A
N/A
OA
−0.71
0.26
−0.70
0.29
−0.2~0.2
0.87
Knee Flex(−)/Ex(+) moment
Control
3.02
2.26
0.81~1
0.81
0.21~0.7
0.48
N/A
N/A
OA
3.18
0.97
3.63
0.76
−1.8~0.9
0.44
values for between-group comparisons at different evaluation times (baseline and follow-up); . values for within-group comparisons between baseline and follow-up to evaluate the treatment effect; .
