Table 2.
Concurrent validity of 2 isokinetic dynamometers for measuring peak torque during isokinetic knee strength testing (N=20).
| Variables | Peak torque (Nm), mean (SD) | Bias (Nm; 95% limits of agreementa) | r | P valueb | |||||
|
|
|
UGO exoskeleton | Humac Norm |
|
|
|
|||
| Dominant side | |||||||||
|
|
Extensor | 101.14 (32.46) | 71.31 (31.09) | 4.87 (−22.89 to 82.21) | 0.662 | .001 | |||
|
|
Flexor | 52.89 (18.64) | 49.36 (16.03) | 29.66 (−26.27 to 36.01) | 0.547 | .01 | |||
| Nondominant side | |||||||||
|
|
Extensor | 89.39 (39.11) | 64.44 (31.12) | 36.31 (−24.60 to 75.65) | 0.768 | <.001 | |||
|
|
Flexor | 83.02 (21.16) | 49.21 (17.71) | 25.53 (−2.40 to 75.02) | 0.347 | .12 | |||
aBland-Altman means bias (UGO–Humac Norm) with 95% limits of agreement.
bItalicized values indicate significant correlations (P<.05).