Table 2. The body lengths before and after elastic band exercise (unit: cm).

	Pre-ex	Post-ex
The distance between the bed and the acromion in the supine position	6.1 ± 2.6	6.2 ± 1.6
The distance between the acromion and the third thoracic vertebra (T3)	21.5 ± 2.1	21.9 ± 1.2
The distance between the seventh thoracic vertebra (T7) and the inferior angle of the scapula	16.5 ± 1.8	16.4 ± 1.5
The distance between the thoracic vertebrae and the inner surface of the scapula	8.7 ± 1.3	8.6 ± 1.2
The length of the pectoralis major	12.9 ± 1.9	17.6 ± 1.4*

Ex: exercise; *p<0.05 compared to pre-ex group