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. 2019 Nov 21;128(1):50–58. doi: 10.1152/japplphysiol.00679.2019

Table 1.

Quantification of the influence of differences in locomotor demand during growth on functional performance and bird physical metrics at maturity

Restricted Control pVal Adjusted P Value ES
Total animals 7 8
Adult body mass, kg 1.7 (0.11) 1.7 (0.12) 0.66 0.66 0.23
Lower limb muscle masses, kg 0.295 (0.027) 0.318 (0.038) 0.21 0.35 0.67
Extensor muscle mass, kg 0.239 (0.022) 0.257 (0.029) 0.18 0.34 0.71
Percent time during growth
    Standing 72 (20) 74 (20) 0.48 0.54 0.09
    Walking 27 (20) 25 (20) 0.44 0.55 0.1
    Sprinting 0.1 (0.43) 1 (2.5) 2.9e-05* 1.4e-4 0.49
    Hurdling 0.041 (0.13 0.4 (0.82) 2e-6 1.5e-5 0.59
    Jumping 0 0.29 (0.55) 2.4e-12* 3.6e-11 0.72
    Jumps/day 0 194 (349)
    Sprint min/week 0.97 (4.7) 92 (197)
Functional measures at maturity
    Maximum velocity m/s 3.3 (0.43) 4.0 (0.36) 0.007 0.017 1.7
    Jump work J/kg extensor muscle mass 37 (9.2) 50 (8.4) 0.013 0.028 1.5
    Peak power W/kg extensor muscle mass 787 (165) 1171 (117) 3.5e-4 0.001 2.7
    Maximum force/body weight, N/N 4.7 (0.54) 6.7 (0.74) 5e-5 1.875e-4 3.0
    Jumps/min 1.3 (1.8) 1.8 (2.0) 0.61 0.65 0.27
    Running metabolic power, W/kg body mass 19 (0.87) 20 (2.0) 0.35 0.53 0.58
    Standing metabolic power, W/kg body mass 9.9 (2.1) 9 (1.8) 0.43 0.55 0.48

Bold type indicates significance under P value adjustment for multiple comparisons. Data are presented as means (SD). ES, effect size.

*

P values with an asterisk required nonparametric analysis.