Table 2. Effects of Obesity, Age, and Obesity × Age on Exertions (P value [Effect Size]).
| Muscle Group | Absolute Strength, N·m | Relative Strength, N·m/kg | ||||
|---|---|---|---|---|---|---|
| Obese vs Healthy Weight | Older vs Younger Adults | Obesity × Age | Obese vs Healthy Weight | Older vs Younger Adults | Obesity × Age | |
| Plantar flexor | .54 (0.011) | .19 (0.048) | .13 (0.065) | <.01 (0.292) | .83 (0.001) | .26 (0.036) |
| Dorsiflexor | <.01 (0.252) | <.01 (0.401) | .35 (0.025) | .04 (0.113) | <.01 (0.324) | .82 (0.001) |
| Knee extensor | <.01 (0.214) | <.01 (0.429) | .32 (0.029) | .01 (0.158) | <.01 (0.383) | .80 (0.002) |
| Knee flexor | .087 (0.082) | <.01 (0.570) | .36 (0.025) | <.01 (0.390) | <.01 (0.467) | .47 (0.015) |
| Hip extensor | .45 (0.016) | .05 (0.103) | .44 (0.017) | <.01 (0.299) | .21 (0.045) | .88 (0.001) |
| Hip flexor | <.01 (0.275) | <.01 (0.367) | .07 (0.089) | <.01 (0.265) | <.01 (0.228) | .6 (0.008) |