An Eccentrically Biased Rehabilitation Program Early after TKA Surgery
Table 4
Physical and muscle function results: pre- to postrehabilitation changes, effect size and 95% confidence intervals.
Prerehabilitation
Postrehabilitation
Δ Score
95% CI
Effect size
SF- (out of 50)
31.9 ± 7.0
50.7 ± 4.3*
18.8
14.8, 22.8
3.2
Six-minute walk test (m)
354.6 ± 119.6
521.9 ± 106.3*
167.3
101.8, 232.8
1.5
LEFS (out of 80)
39.9 ± 16.5
61.9 ± 7.5*
22.0
11.7, 32.3
1.7
Knee extension deficit (deg)
Operated
10.7 ± 5.5
2.8 ± 3.2*
8.0
−5.3, 10.1
1.8
Knee flexion ROM (deg)
Operated
102.0 ± 8.1
113.8 ± 8.1*
11.8
−3.9, 16.8
1.5
StrengthMIVC (Nm)
Operated
52.9 ± 19.5
109.6 ± 36.6*
56.7
41.3, 72.1
1.9
Nonoperated
146.3 ± 51.2
152.5 ± 53.2
6.2
−4.2, 16.5
0.1
PowerMVPO (W)
Operated
83.6 ± 39.2
161.0 ± 63.6*
77.4
53.4, 101.3
1.5
Nonoperated
198.8 ± 104.0
222.2 ± 108.0*
23.4
11.1, 35.7
0.2
Stair climbing test (s)
17.2 ± 6.8
9.2 ± 3.9*
8.0
4.4, 11.6
1.4
Gait speed (m/s)
1.0 ± 0.3
1.3 ± 0.2*
0.3
0.2, 0.5
1.2
*Significant differences compared to pre-rehabilitation value (). SF-: Physical component summary of the short form-36. LEFS: Lower extremity function scale. ROM: Range of motion. StrengthMVIC: Knee extension maximal voluntary isometric contraction. PowerMVPO: Leg extensor maximal voluntary power output.
