Table 2.

Rotation measures of starters and relievers reported as mean and SD of percent change (%Δ) for consecutive time points

Motion	Position	Time point 2	Time point 3	Time point 4	Time point 5	Mean across all time points	Differences between time points
Internal rotation	Starter	−32 ± 34	−21 ± 37	−13 ± 67	−22 ± 48	−22
	Reliever	−31 ± 28	−24 ± 26	−24 ± 32	−37 ± 31	−29
	Total	−31 ± 30	−22 ± 32	−19 ± 52	−30 ± 41	−26*
External rotation	Starter	6 ± 11	3 ± 11	4 ± 12	−1 ± 12	3
	Reliever	3 ± 12	5 ± 7	5 ± 9	2 ± 10	4
	Total	4 ± 12	4 ± 9	4 ± 10	1 ± 11	3†	%Δ TP2, %Δ TP3, and %Δ TP4 < %Δ TP5 (p ≤ 0.009)
Total arc of motion	Starter	1 ± 10	−1 ± 10	0 ± 13	−5 ± 10	−1
	Reliever	−2 ± 12	0 ± 9	0 ± 11	−4 ± 12	−2
	Total	−1 ± 11	0 ± 9	0 ± 12	−4 ± 11	−1‡	%Δ TP5 < %Δ TP2, %Δ TP3, and %Δ TP4 (p ≤ 0.004)

* Significantly different compared with external rotation and total arc of motion; ^†significantly different compared with internal rotation and total arc of motion; ^‡significantly different compared with internal rotation and external rotation; TP = time point.