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.
