Fig. 1.

Fig. 2.

Fig. 3.

Fig. 4.

Baseline characteristics of all participants
| Control group | Exercise group | p-value | |
|---|---|---|---|
| Means ± SD | Means ± SD | ||
| Age (years) | 20.00 ± 1.60 | 20.00 ± 1.10 | 0.18 |
| Height (cm) | 160.00 ± 6.90 | 161.00 ± 4.70 | 0.70 |
| Weight (kg) | 52.90 ± 7.10 | 50.80 ± 5.60 | 0.39 |
| Body mass index (kg/m2) | 20.70 ± 0.40 | 19.60 ± 1.50 | 0.09 |
| Forward shoulder posture (cm) | 6.20 ± 1.10 | 6.90 ± 0.90 | 0.07 |
| Pectoralis minor length (cm) | 16.0 ± 14.10 | 16.10 ± 9.30 | 0.77 |
| Chest expansion (cm) | 5.90 ± 1.00 | 5.80 ± 1.00 | 0.93 |
| Force vital capacity (mL) | 2.90 ± 0.30 | 2.90 ± 0.20 | 0.79 |
| MIP (cmH2O) | 78.00 ± 4.50 | 78.40 ± 5.50 | 0.95 |
| MEP (cmH2O) | 84.30 ± 18.50 | 86.10 ± 17.50 | 0.79 |