Table 2. Joint and segmental angles (mean ± s.e.m.) during slow walking for control, control-weight, and experimental birds.
Group | ANOVA | ||||||
Control | Weight-control | Experimental | F 2,9 | P | |||
Joint Angles | Knee | Start | 124.9±2.9 | 128.2±1.6 | 132.1±1.2 | 1.95 | 0.2 |
End | 83.3±6.0a | 82.5±1.8a | 102.0±2.7b | 6.69 | 0.017 | ||
Range | 41.3±3.1a | 45.8±2.1a | 30.1±3.4b | 7.79 | 0.011 | ||
Ankle | Start | 128.8±2.6a | 138.0±2.1b | 138.7±2.1b | 5.73 | 0.025 | |
End | 136.0±4.9a | 146.8±0.8a,b | 152.4±1.9b | 7.32 | 0.013 | ||
Range | 7.2±2.5 | 8.8±2.0 | 13.8±1.5 | 2.83 | 0.11 | ||
Segmental Angles | Femur | Start | 36.9±1.0a | 30.9±1.2b | 28.6±0.7b | 21 | <0.0001 |
End | 52.3±1.1a | 46.1±1.0b | 71.8±1.0c | 172.9 | <0.0001 | ||
Range | 15.4±0.5a | 15.2±1.5a | 43.7±0.8b | 258.7 | <0.0001 | ||
Tibiotarsus | Start | 88.7±1.4a | 94.7±1.8a | 102.4±1.8b | 16.2 | 0.001 | |
End | 26.6±3.2a | 40.2±2.3b | 28.9±2.2a | 7.93 | 0.01 | ||
Range | 62.1±1.9a,b | 54.5±3.3a | 73.5±2.9b | 10.4 | 0.005 | ||
Tarsometatarsus | Start | 42.1±1.3a,b | 44.8±1.7a | 36.3±2.6b | 4.96 | 0.035 | |
End | 108.2±2.6a | 108.8±3.1a | 123.6±0.6b | 13.6 | 0.002 | ||
Range | 66.2±2.8a | 64.0±4.5a | 87.3±3.2b | 12.8 | 0.002 |
Different letters represent significant differences among groups based on Tukey post-hoc comparisons (α = 0.05).