TABLE A4.
Injury Event Sequences for Dorsiflexion Testsa
| Syndesmotic Injury | Injury Description | |
|---|---|---|
| Run 14, specimen 682R | ||
| Event 1 | Superficial deltoid ligament sleeve avulsion off medial malleolus | |
| Event 2 | X | ATiFL mild attenuation or initiation of deep deltoid ligament rupture (talus component) |
| Event 3 | X | ATiFL mild attenuation or further propagation of deep deltoid ligament ruptures (talus component) |
| Event 4 | CFL midsubstance rupture | |
| Event 5 | Deep deltoid ligament rupture (talus component) | |
| Event 6 | Further propagation of deltoid ligament ruptures (talus component) | |
| Run 15, specimen 752R | ||
| Event 1 | Superficial deltoid ligament avulsion off medial malleolus | |
| Event 2 | X | ATiFL avulsion off anterolateral distal tibia |
| Event 3 | Initiation of IOM tear or deep deltoid ligament rupture (talus or calcaneus component) | |
| Event 4 | X | Anterior IOM tear |
| Event 5 | Propagation of deep deltoid ligament ruptures (talus or calcaneus component) | |
| Run 16, specimen 757R | ||
| Event 1 | X | ATiFL complete rupture |
| Event 2 | Fibular fracture | |
| Event 3 | ATaFL mild attenuation | |
| Event 4 | X | Anterior IOM tear |
| Run 17, specimen 801R | ||
| Event 1 | Superficial deltoid ligament sleeve avulsion off medial malleolus | |
| Event 2 | Initiation of deep deltoid ligament rupture (talus or calcaneus component) | |
| Event 3 | X | ATiFL complete rupture |
| Event 4 | Propagation of deep deltoid ligament ruptures (talus or calcaneus component) | |
| Event 5 | X | Weber B fibular fracture |
aATaFL, anterior talofibular ligament; ATiFL, anterior tibiofibular ligament; CFL, calcaneofibular ligament; IOM, interosseous membrane.