All participants (n = 60)	Pitchers (n = 40)	Non-Pitchers (n = 20)
Age	15.0 (1.1)	15.1 (1.2)	14.9 (1.0)
Throwing Hand Left Right	9 [15%] 51 [85%]	8 [20%] 32 [80%]	1 [5 %] 19 [95%]
Height (m)	1.77 (0.09)	1.79 (0.08)	1.73 (0.08)
Weight (kg)	70.0 (12.5)	70.5 (10.8)	68.9 (15.7)
Number of Pitches Fastball Curveball Changeup	177 [36%] 155 [31%] 163 [33%]	116 [34%] 110 [32%] 116 [34%)]	61 [40%] 45 [29%] 47 [31%]