## Table 3 |
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Equations predicting log (MVIC) using age, height and sex as variables (n = 96 subjects) |
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Muscle function |
Side |
a |
b |
c |
d |
SD_{log(MVIC)} |
Adjusted R^{2} |

(Intercept) |
(Age coeff) |
(Height coeff) |
(Sex coeff) |
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Handgrip | ND | 2.4555 | 0.0501 | 0.0152 | −0.0727 | 0.2120 | 0.781 |

D | 2.2692 | 0.0416 | 0.0177 | −0.1012 | 0.1925 | 0.826 | |

Elbow flexion | ND | −0.5433 | 0.0298 | 0.0226 | −0.0590 | 0.1603 | 0.894 |

D | −0.5674 | 0.0317 | 0.0230 | −0.0310 | 0.1840 | 0.870 | |

Elbow extension | ND | 0.0289 | 0.0319 | 0.0170 | −0.0866 | 0.1950 | 0.791 |

D | −0.0278 | 0.0321 | 0.0175 | −0.0816 | 0.1893 | 0.807 | |

Knee flexion | ND | 0.4470 | 0.0372 | 0.0190 | −0.0687 | 0.1935 | 0.830 |

D | 0.2679 | 0.0421 | 0.0203 | −0.1368 | 0.2029 | 0.841 | |

Knee extension | ND | 0.4991 | 0.0182 | 0.0245 | −0.0148 | 0.2251 | 0.809 |

D | 0.8783 | 0.0487 | 0.0199 | −0.0239 | 0.2085 | 0.838 |

*ND*: non-dominant hand side; *D*: dominant hand side.

Handgrip strength is expressed in N; all other muscle functions are expressed in N.m.
Age is expressed in years, height in cm, sex is 1 for girls and 0 for boys. SD_{log(MVIC)} is the residual standard deviation of the regression. The equation takes the form:
log(MVIC) = a + b.age + c.height + d.sex, where a, b, c and d are the regression coefficients
given in the table.

Hogrel * et al.*

Hogrel * et al.* *BMC Musculoskeletal Disorders* 2012 **13**:176 doi:10.1186/1471-2474-13-176