Table 2. Effects of different frequencies of auditory stimulation on knee extension torque, TUG time, FR, and 10-meter walking time.
| 5 groups (Mean ± SD) | ||||||
|---|---|---|---|---|---|---|
| a. Control | b. 500 Hz | c. 1,000 Hz | d. 1,500 Hz | e. 2,000 Hz | ||
| Maximal knee extension toruqe (Nm) | 128.4 ± 34.0 | 131.6 ± 37.9 | 127.4 ± 37.8 | 119.3 ± 50.1 | 122.1 ± 39.9 | |
| Average knee extension torque (Nm) | 117.9 ± 33.8 | 123.3 ± 38.3 | 113.4 ± 33.7 | 107.3 ± 49.2 | 116.3 ± 40.4 | |
| TUG time (s) | 8.5 ± 0.9 | 7.6 ± 0.8 | 7.8 ± 0.7 | 7.3 ± 0.6 | 7.5 ± 0.4 | b.d<a**, e<a* |
| FR (cm) | 35.9 ± 3.5 | 37.4 ± 2.2 | 36.8 ± 2.2 | 37.5 ± 2.9 | 38.1 ± 1.7 | |
| 10MWT (s) | 6.9 ± 0.4 | 6.5 ± 0.6 | 6.6 ± 0.4 | 6.6 ± 0.3 | 6.6 ± 0.3 | c<a**, d<a* |
SD: standard deviation (*p<0.05, **p<0.01). 10MWT: 10-m walking time