Table 1 Summary of players’ data
Characteristics | All Players n = 521 | Pitchers n = 86 | Fielders n = 435 |
|---|---|---|---|
Male | 469 (90.0) | 74 (86.0) | 395 (90.8) |
Age, years | 10.7 (1.1) | 11.0 (0.8) | 10.6 (1.1) |
Height, cm | 142.5 (7.5) | 144.1 (7.1) | 142.2 (7.6) |
Body mass, kg | 36.6 (7.5) | 38.6 (7.6) | 36.3 (7.5) |
Body mass index, kg/m2 | 17.9 (2.6) | 18.5 (2.5) | 17.8 (2.6) |
Dominant throwing/hitting side | |||
Right/right | 379 (72.7) | 60 (69.8) | 319 (73.3) |
Right/left | 96 (18.4) | 15 (17.4) | 81 (18.6) |
Right/both | 5 (1.0) | 2 (2.3) | 3 (0.7) |
Left/left | 41 (7.9) | 9 (10.5) | 32 (7.4) |
Softball experience, years | 2.6 (1.4) | 3.2 (1.2) | 2.5 (1.4) |
Practice per week, hours | 11.2 (4.3) | 11.9 (4.7) | 11.1 (4.2) |
Hamstring tightness | |||
TS | 96 (18.4) | 22 (25.6) | 74 (17.0) |
NTS | 93 (17.9) | 18 (20.9) | 75 (17.2) |
Quadriceps tightness | |||
TS | 58 (11.1) | 9 (10.5) | 49 (11.3) |
NTS | 65 (12.5) | 11 (12.8) | 54 (12.4) |
Iliopsoas tightness | Players from 2017 and 2019 n = 362 | Pitchers n = 59 | Fielders n = 303 |
TS | 177 (48.9) | 32 (54.2) | 145 (47.9) |
NTS | 186 (51.4) | 33 (55.9) | 153 (50.5) |