Table 1. Mean speeds (SD) of bat head and sweet spot (m/s) immediately before the ball-bat impact in tee batting and experimental conditions.

	bat head		sweet spot
tee	34.0 (2.5)		27.6 (2.0)
launched	slow ball	fast ball	slow ball	fast ball
R+150	32.4 (2.8)	32.5 (2.7)	26.2 (2.3)	26.3 (2.2)
A-150	32.7 (2.1)	32.4 (2.1)	26.5 (1.7)	26.2 (1.7)
NO	32.9 (1.9)	33.0 (2.3)	26.6 (1.5)	26.7 (1.9)

SD: standard deviation