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 |
P; p value, ES; effect size value.
* Significant difference between high- and low-velocity groups (p < 0.01)