## Table 3

*Male (*n* = 30) and female (*n* = 15) correlations between serve ball speed and anthropometric and specific-joint force-time curve variables.*

Variables | MALES | FEMALES | ||||

r | p | r^{2} | r | p | r^{2} | |

Anthropometrics | ||||||

Height (cm) | .25 | .228 | .063 | .465 | .081 | .216 |

BM (kg) | .3 | .145 | .090 | .636 | .011 | .404 |

BMI | .144 | .493 | .021 | .293 | .289 | .086 |

MVC | ||||||

SHIR MVIC (N) | .583 | .002 | .340 | .439 | .101 | .193 |

SHE MVIC (N) | .423 | .035 | .179 | .618 | .014 | .382 |

SHIR RMVIC(N/kg) | .556 | .004 | .309 | .364 | .182 | .132 |

SHE RMVIC(N/kg) | .413 | .04 | .171 | .521 | .046 | .271 |

RFD | ||||||

PRFD SHIR (N·s^{-1}) | .464 | .019 | .215 | .389 | .152 | .151 |

PRFD SHE (N·s^{-1}) | .499 | .011 | .249 | .07 | .804 | .005 |

SHIR RFD 0-30ms (N·s^{-1}) | .237 | .255 | .056 | .623 | .013 | .388 |

SHIR RFD 0-50ms (N·s^{-1}) | .344 | .092 | .118 | .509 | .053 | .259 |

SHIR RFD 0-100ms (N·s^{-1}) | .446 | .025 | .199 | .514 | .05 | .264 |

SHIR RFD 0-150ms (N·s^{-1}) | .485 | .014 | .235 | .533 | .041 | .284 |

SHIR RFD 0-200ms (N·s^{-1}) | .495 | .012 | .245 | .431 | .109 | .186 |

SHIR RFD 0-250ms (N·s^{-1}) | .405 | .045 | .164 | .16 | .569 | .026 |

SHE RFD 0-30ms (N·s^{-1}) | .368 | .071 | .135 | .466 | .080 | .217 |

SHE RFD 0-50ms (N·s^{-1}) | .435 | .03 | .189 | .238 | .394 | .057 |

SHE RFD 0-100ms (N·s^{-1}) | .403 | .046 | .162 | .267 | .335 | .071 |

SHE RFD 0-150ms (N·s^{-1}) | .28 | .175 | .078 | .399 | .141 | .159 |

SHE RFD 0-200ms (N·s^{-1}) | .169 | .344 | .029 | .44 | .101 | .194 |

SHE RFD 0-250ms (N·s^{-1}) | .178 | .396 | .032 | .088 | .754 | .008 |

IMP | ||||||

SHIR IMP 30ms (N·s) | .218 | .296 | .048 | .172 | .540 | .030 |

SHIR IMP 50ms (N·s) | .116 | .581 | .013 | .337 | .219 | .114 |

SHIR IMP 100ms (N·s) | .331 | .106 | .110 | .281 | .310 | .079 |

SHIR IMP 150ms (N·s) | .368 | .070 | .135 | .564 | .028 | .318 |

SHIR IMP 200ms (N·s) | .284 | .169 | .081 | .581 | .023 | .338 |

SHIR IMP 250ms (N·s) | .219 | .294 | .048 | .67 | .006 | .449 |

SHE IMP 30ms (N·s) | .208 | .319 | .043 | .259 | .352 | .067 |

SHE IMP 50ms (N·s) | .211 | .312 | .045 | .211 | .451 | .045 |

SHE IMP 100ms (N·s) | .138 | .51 | .019 | .155 | .070 | .024 |

SHE IMP 150ms (N·s) | .208 | .319 | .043 | .48 | .004 | .230 |

SHE IMP 200ms (N·s) | .384 | .058 | .147 | .702 | .006 | .493 |

SHE IMP 250ms (N·s) | .37 | .069 | .137 | .669 | .017 | .448 |

SV = serve velocity; BM = body mass; BMI = body mass index; MVIC = maximal voluntary isometric contraction; RMVC = relative maximal voluntary isometric contraction; SHIR = shoulder internal rotation; SHE = shoulder extension; PRFD = peak rate of force development; RFD = rate of force development; IMP = impulse. |