Table 6.
Prerehabilitation and Postrehabilitation Range-of-Motion Measurements and Cohen d Effect Sizes With 95% CIs
| Muscle |
Group, ° (Mean ± SD) |
P Value |
Pooled Prerehabilitation- Postrehabilitation Cohen d Effect Size (95% CI)a |
|||||
| Patterned Electrical Neuromuscular Stimulation |
Sham |
|||||||
| Prerehabilitation |
Postrehabilitation |
Prerehabilitation |
Postrehabilitation |
Time Main Effect |
Group Main Effect |
Group × Time Interaction |
||
| Quadriceps | 134.9 ± 8.6 | 141.2 ± 3.6 | 135.0 ± 7.8 | 136.5 ± 8.9 | .03b | .45 | .17 | 0.54 (−0.08, 1.16) |
| Hamstrings | 81.6 ± 29.7 | 97.7 ± 13.6 | 83.9 ± 14.8 | 91.8 ± 13.3 | .01b | .81 | .34 | 0.71 (0.09, 1.35) |
| Iliotibial band | 31.4 ± 10.2 | 32.4 ± 9.6 | 23.0 ± 15.2 | 35.9 ± 4.4 | .03b | .51 | .07 | 0.56 (−0.06, 1.19) |
| Gastrocnemius | 14.0 ± 5.8 | 15.4 ± 4.6 | 14.1 ± 7.9 | 20.0 ± 4.3 | .03b | .28 | .18 | 0.55 (−0.07, 1.18) |
Abbreviation: CI, confidence interval.
a
Effect sizes were calculated to compare the pooled group's prerehabilitation and postrehabilitation scores; a positive value denotes an increase in range of motion after rehabilitation.
b
Indicates difference (P ≤ .05).