Table 2.

Time (seconds) for Precision Tasks by Thumb Position and Hand Dominance (Median, Range), all thumbs.

Measurement	Zipper	Velcro	Knot	Writing	Buttons	Coins
Baseline ND	10	10.6	10	NT	35.75	10.38
	(8.5, 5–17)	(10, 5–22)	(9, 6–22)		(35.5, 20–62)	(10, 6–15)
0° ND	9	10.87	9.75	NT	35.56	10.38
	(7.5, 5–16)	(10, 4–22)	(9, 6–18)		(33, 24–47)	(10, 7–14)
15° ND	9.33	11.07	9.69	NT	32.44	12.06
	(7.65, 5–21)	(9, 5–19)	(9.5, 7–13)		(32, 13–55)	(10, 6–36)
30° ND	8.19	11.13	10.44	NT	36.5	11.63
	(7.5, 5–12)	(9, 5–22)	(10, 7–17)		(38.5, 20–48)	(10.5, 7–19)
45° ND	8.84	12.83	10.06	NT	33.69	12.57
	(8, 6–18)	(13, 5–22)	(10, 8–14)		(32.5, 26–51)	(11.5, 9–19)
Baseline Dom	10.13	12.13	9.31	20.79	37.56	12.38
	(9, 6–16)	(8.5, 5–30)	(9, 5–18)	(18, 13–45)	(30.5, 23–120)	(12, 6–20)
0° Dom	9.88	11.63	12.13	20.5	40.13	12.19
	(8, 6–27)	(8.5, 4–30)	(9.5, 5–28)	(19.5, 13–43)	(30, 22–130)	(10, 6–30)
15° Dom	9.56	9.63	9.44	21	32.13	13.06
	(9, 5–17)	(6.5, 4–27)	(9, 5–16)	(19, 15–50)	(29, 23–55)	(10.5, 6–36)
30° Dom	11.13	13.44	10.56	20.57	38.63	13.25
	(9.5, 6–32)	(8, 4–50)	(9.5, 6–26)	(18, 13–50)	(28, 22–140)	(12, 7–32)
45° Dom	9.88	11.38	11.56	19.57	37.94	14.2
	(9, 5–20)	(8, 3–40)	(11, 5–20)	(18, 12–35)	(30, 24–130)	(10, 7–36)

Bold/Italicized = statistically significant outcome (p < 0.05); ND = Nondominant, Dom = Dominant; NT = Not tested.