Table 6.
Baseline and 6-Week Hip- and Knee-Muscle Maximum Voluntary Isometric Contraction by Rehabilitation Protocol
| Muscles |
Protocol |
Maximum Voluntary Isometric Contraction, Nm/kg (Mean ± SD [95% Confidence Interval]) |
Difference, % Change |
|
| Baseline |
6 Wk |
|||
| Hip abductors | ||||
| HIP | 3.21 ± 1.14 (3.00, 3.43) | 3.58 ± 1.08 (3.38, 3.78) | 11.46a,b | |
| KNEE | 3.15 ± 1.19 (2.90, 3.40) | 3.41 ± 1.28 (3.14, 3.68) | 8.21a | |
| Hip extensors | ||||
| HIP | 2.39 ± 1.01 (2.20, 2.58) | 2.66 ± 1.15 (2.45, 2.88) | 11.34a,b | |
| KNEE | 2.44 ± 1.09 (2.21, 2.67) | 2.61 ± 1.18 (2.37, 2.86) | 7.13a | |
| Hip external rotators | ||||
| HIP | 1.19 ± 0.42 (1.11, 1.27) | 1.29 ± 0.41 (1.21, 1.37) | 8.33a | |
| KNEE | 1.18 ± 0.45 (1.09, 1.28) | 1.25 ± 0.44 (1.16, 1.35) | 5.87a | |
| Hip internal rotators | ||||
| HIP | 1.48 ± 0.55 (1.38, 1.58) | 1.56 ± 0.59 (1.45, 1.67) | 5.42a | |
| KNEE | 1.42 ± 0.64 (1.29, 1.55) | 1.49 ± 0.62 (1.36, 1.63) | 5.43a | |
| Knee extensors | ||||
| HIP | 3.88 ± 1.59 (3.58, 4.17) | 4.19 ± 1.50 (3.91, 4.47) | 8.04a | |
| KNEE | 3.93 ± 1.47 (3.62, 4.23) | 4.18 ± 1.60 (3.84, 4.51) | 6.37a | |
Abbreviations: HIP, hip- and core-strengthening protocol; KNEE, knee-focused protocol.
a Greater than baseline (P < .05).
b
Greater than results for KNEE group (P < .05).