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Table 3 Morphological characteristics of the Lisfranc ligament

From: Morphological characteristics of the Lisfranc ligament

   Length (mm) Width (mm) Thickness (mm) Angle (°)
Type I-a (n: 15)   6.3 ± 1.1 7.9 ± 1.8 4.6 ± 0.9 96.5 ± 6.5
Type I-b (n: 4)   6.6 ± 1.2 8.4 ± 1.0 4.7 ± 0.9 97.2 ± 5.5
Type II-a (n: 12) Superior fiber bundle 6.4 ± 2.5 4.7 ± 0.6 4.5 ± 1.4 93.6 ± 6.6
Inferior fiber bundle 5.9 ± 1.2 5.6 ± 2.0 4.7 ± 0.8 99.4 ± 6.2
Average   6.2 ± 1.9 4.6 ± 1.1 96.5 ± 6.9
Total   10.3 ± 2.0
Type II-b (n: 3) Superior fiber bundle 5.9 ± 1.6 3.7 ± 0.5 4.2 ± 1.3 95.3 ± 9.8
Inferior fiber bundle 5.0 ± 0.7 3.1 ± 0.6 2.3 ± 0.3 111.9 ± 11.2
Average   5.4 ± 1.2 3.2 ± 1.4 103.6 ± 13.0
Total   6.7 ± 0.1
Type III-a (n: 3) Superior fiber bundle 4.2 ± 0.3 2.8 ± 0.8 2.5 ± 0.7 89.1 ± 5.7
Intermediate fiber bundle 5.4 ± 1.7 3.4 ± 1.1 3.7 ± 1.1 88.3 ± 8.1
Inferior fiber bundle 5.7 ± 1.2 3.7 ± 0.8 4.3 ± 1.1 102.4 ± 2.5
Average   5.1 ± 1.2 3.5 ± 1.2 93.3 ± 8.6
Total   9.9 ± 1.6
Type III-b (n: 1) Superior fiber bundle 5.6 2.1 1.6 103.7
Intermediate fiber bundle 5.7 3.2 0.9 98.0
Inferior fiber bundle 4.5 3.5 4.1 97.7
Average   5.9 ± 1.5 4.2 ± 1.3 96.9 ± 7.8
Total   5.5 ± 2.3
Type IV (n: 2)   4.5 ± 0.9 17.8 ± 0.7 4.2 ± 0.1 81.5 ± 3.5
Total   5.9 ± 1.5 5.9 ± 3.2 4.2 ± 1.3 96.4 ± 8.2