Table 1 Measurement results of the capsuloligamentous complex of the first MTPJ
No. | Mean (mm) | SD (mm) | Range (mm) | |
|---|---|---|---|---|
Central portion of the plantar plate | ||||
Length | 6 | 19.6 | 2.4 | 16.4–22.0 |
Width | 7 | 2.9 | 1.3 | 1.4–4.8 |
Depth | 8 | 0.5 | 0.2 | 0.3–1.1 |
Intersesamoid ligament | ||||
Width | 9 | 3.4 | 0.7 | 2.2–4.2 |
Depth | 9 | 2.5 | 0.6 | 1.4–3.4 |
Medial sesamoid phalangeal ligament; | ||||
Length | 9 | 11.0 | 2.1 | 7.5–14.3 |
Width | 9 | 3.4 | 0.8 | 2.3–4.5 |
Depth | 9 | 3.2 | 0.6 | 2.6–4.2 |
Lateral sesamoid phalangeal ligament; | ||||
Length | 9 | 7.9 | 0.7 | 6.7–8.8 |
Width | 9 | 3.7 | 0.7 | 2.8–5.2 |
Depth | 9 | 2.8 | 0.8 | 1.1–3.6 |
Medial metatarsosesamoid ligament; | ||||
Length | 5 | 5.4 | 0.9 | 3.9–6.3 |
Width | 5 | 0.3 | 0.1 | 0.2–0.4 |
Lateral metatarsosesamoid ligament; | ||||
Length | 5 | 6.1 | 1.9 | 3.6–7.9 |
Width | 5 | 0.3 | 0.0 | 0.3–0.4 |
Medial main collateral ligament | ||||
Length | 9 | 14.5 | 2.0 | 10.1–16.2 |
Width | 9 | 2.0 | 0.5 | 1.2–2.7 |
Lateral main collateral ligament | ||||
Length | 7 | 12.3 | 2.2 | 9.7–14.7 |
Width | 7 | 1.7 | 0.4 | 1.3–2.4 |
Medial head of the flexor hallucis brevis tendon | ||||
Width | 3 | 2.5 | 0.7 | 1.9–3.3 |
Depth | 3 | 0.4 | 0.2 | 0.3–0.7 |
Lateral head of the flexor hallucis brevis tendon | ||||
Width | 2 | 2.9 | 0.4 | 2.6–3.1 |
Depth | 2 | 0.3 | 0.1 | 0.3–0.4 |
Adductor hallucis tendon | ||||
Width | 5 | 5.7 | 1.6 | 3.4–7.4 |
Abductor hallucis tendon | ||||
Width | 5 | 2.8 | 0.3 | 2.4–3.1 |