TABLE III.
Three-Dimensional Strength Balance*
| Control (N = 18) | Concentric (N = 18) | Eccentric (N = 18) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean ± SD | 95% CI of Volume | Mean ± SD | 95% CI of Volume | Mean Difference from Control (95% CI) | P Value | Mean ± SD | 95% CI of Volume | Mean Difference from Control (95% CI) | P Value | Mean Difference from Concentric (95% CI) | P Value | |
| 152.0%3 | 344.7%3 | <0.01 | 739.8%3 | <0.01 | 0.59 | |||||||
| Add-Abd | −0.3% ± 2.6% | 1.6% ± 4.0% | 1.9% (0.0%, 3.8%) | 1.8% ± 5.8% | 2.1% (−0.4%, 4.6%) | 0.2% (−2.6%, 3.0%) | ||||||
| IR-ER | 3.3% ± 4.3% | −10.3% ± 6.8% | −13.6% (−16.8%, −10.4%) | −7.6% ± 7.4% | −10.9% (−14.3%, −7.5%) | 2.7% (−1.3%, 6.7%) | ||||||
| Flex-Ext | 2.3% ± 3.5% | 3.8% ± 3.1% | 1.4% (−0.4%, 3.3%) | 4.4% ± 4.1% | 2.1% (−0.1%, 4.2%) | 0.6% (−1.4%, 2.7%) | ||||||
*
All values are reported as the percent of the unnormalized strength magnitude. SD = standard deviation, add-abd = adduction-abduction, IR-ER = internal-external rotation, flex-ext = flexion-extension.