Table 4.
Comparisons of muscle group architecture
Joint | Muscle group | Mean fiber length (cm) | Total PCSA (cm2) |
---|---|---|---|
Ankle | Plantarflexors | 4.8 ± 1.1* | 124.3 ± 30.4* |
Dorsiflexors | 7.1 ± 1.1 | 19.7 ± 4.6 | |
Knee | Extensors | 9.3 ± 2.1 | 88.4 ± 30.5† |
Flexors | 9.3 ± 2.6 | 40.1 ± 13.6 | |
Hip | Extensors | 10.5 ± 3.6‡ | 73.4 ± 20.5§ |
Flexors | 17.4 ± 13.5 | 35.9 ± 9.0 | |
Abductors | 7.3 ± 1.6‡ | 36.0 ± 14.3 | |
Adductors | 16.0 ± 6.0 | 36.2 ± 10.4 |
Values expressed as mean ± standard deviation; * significant (p < 0.05) difference between plantarflexors and dorsiflexors; †significant (p < 0.05) difference between knee extensors and knee flexors; ‡significant (p < 0.05) difference between hip flexors, abductors and hip extensors, adductors; §significant (p < 0.05) difference between hip extensors and flexors, abductors, adductors.