Table 2.

GIRD (15° or greater) versus GIRD (14° or less) scapular upward rotation^†

Scapular upward rotation	Position	GIRD ≥ 15°	GIRD ≤ 14°
Dominant arm	0°	3.81 ± 3.12	5.08 ± 3.03
	60°	11.44 ± 4.53	15.14 ± 5.89*
	90°	21.69 ± 5.53	26.79 ± 5.19*
	120°	34.43 ± 4.12	37.37 ± 4.4*
Nondominant arm	0°	3.57 ± 2.22	4.05 ± 3.05
	60°	13.00 ± 5.1	14.24 ± 5.81
	90°	25.52 ± 5.35	26.60 ± 5.67
	120°	37.68 ± 4.65	37.76 ± 4.29

^†Mean ± standard deviation; degrees; *significant difference between groups.