Within-group and between-group comparisons in postural stability, ankle range of motion, and functional lower extremities
| Tap dance group | Control group | |||
| Pretest | Post-test | Pretest | Post-test | |
| Postural stability with eyes open | ||||
| COP trajectory (mm) | 183.5±122.6 | 125.3±46.1 | 174.5±66.3 | 152.5±40.8 |
| EA (mm2) | 10.9±6.10 | 6.35±4.76 | 15.3±9.99 | 10.8±6.47* |
| Postural stability with eyes closed | ||||
| COP trajectory (mm) | 205.9±92.0 | 145.0±61.5 | 168.5±77.0 | 198.4±91.7* |
| EA (mm2) | 11.2±7.18 | 6.47±5.11 | 9.31±9.47 | 11.0±8.14* |
| Ankle dorsiflexion | ||||
| Left | 6.05±4.37 | 11.4±6.16 | 8.20±3.04 | 8.35±4.53 |
| Right | 6.15±2.25 | 10.2±5.49 | 8.90±3.85 | 8.10±7.27 |
| Ankle plantar flexion | ||||
| Left | 28.3±9.38 | 38.1±11.4 | 28.1±5.62 | 31.3±3.87* |
| Right | 29.5±7.93 | 38.4±9.21 | 30.8±5.79 | 33.1±4.61* |
| FTSST | 9.85±3.07 | 7.25±2.81 | 8.18±2.05 | 9.40±2.84* |
Data represent mean (±SD).
*Comparing with tap dance group at post-test (p<0.05).
COP, center of pressure; EA, elliptical area; FTSST, Five Times Sit to Stand Test.