Table 1.
Physical characteristics and ball velocity. Values are expressed as mean (± SD).
Total (n =30)
High velocity group (n =10)
Low velocity group (n =10)
p
ES
Age (yr)
19.6 (.9)
19.3 (.7)
19.4 (.8)
.76
.14
Height (m)
177.4 (5.2)
177.8 (5.5)
177.9 (5.9)
.72
.17
Weight (kg)
73.9 (10.9)
75.4 (12.4)
77.8 (12.3)
.79
.12
Baseball career (yr)
11.2 (1.8)
11.4 (1.7)
10.7 (1.6)
.30
.49
Pitcher’s career (yr)
7.6 (3.2)
8.1 (3.4)
6.0 (2.9)
.16
.67
Ball velocity (m·s
-1
)
35.3 (1.8)
37.4 (.8)
*
33.3 (.8)
.00
5.01
* Significant difference between high- and low-velocity groups (p < 0.01)
P; p value, ES; effect size value.