Table 3.
Estimated marginal means and mean differences (95% confidence interval lower and upper limits) for ΔF, peak discharge rates, and recruitment thresholds for vibration and control conditions
| ΔF (pps) | Peak discharge rates (pps) | Recruitment threshold (% of peak torque) | |
|---|---|---|---|
| Older adults – soleus | |||
| Control | 1.85 (1.46, 2.23) | 9.09 (8.20, 9.98) | 12.15 (9.59, 14.33) |
| Vibration | 1.49 (1.11, 1.88) | 8.93 (8.04, 9.82) | 12.37 (10.18, 14.55) |
| Vibration – Control | −0.36 (−0.65. −0.06) | −0.16 (−0.38, 0.06) | 0.22 (−1.41, 0.35) |
| Young adults – soleus | |||
| Control | 2.60 (2.06, 2.23) | 10.63 (9.40, 11.85) | 15.01 (12.01, 18.00) |
| Vibration | 2.39 (1.86, 2.93) | 10.39 (9.17, 11.61) | 14.58 (11.58, 17.57) |
| Vibration – Control | −0.21 (−0.53, 0.12) | −0.24 (−0.48, 0.01) | −0.43 (−1.73, 0.87) |
| Older adults – tibialis anterior | |||
| Control | 3.93 (3.37, 4.49) | 13.15 (12.26, 14.05) | 11.62 (9.84, 13.40) |
| Vibration | 3.51 (2.95, 4.07) | 12.47 (11.58, 13.37) | 11.47 (9.69, 13.25) |
| Vibration – Control | −0.42 (−0.67, −0.17) | −0.72 (−0.97, −0.47) | −0.15 (−0.88, 0.57) |
| Young adults – tibialis anterior | |||
| Control | 4.89 (4.32, 5.46) | 14.50 (13.60, 15.40) | 14.14 (12.34, 15.95) |
| Vibration | 4.17 (3.61, 4.74) | 13.90 (13.00, 14.80) | 15.33 (13.53, 17.14) |
| Vibration – Control | −0.87 (−1.11, −0.62) | −0.60 (−0.85, −0.35) | −1.19 (−1.90, −0.47) |