Dorsal talonavicular ligament
- Bony avulsion from the dorsal side of the navicular bone
- The ligament is oedematous but intact.
Extensor hallucis brevis and extensor digitorum brevis muscles
- Bony avulsion from the superolateral surface of the calcaneum bone
- Muscle edema near avulsion site
Ankle joint
- Anterior recess - no effusion
Anterior inferior tibiofibular ligament
- Intact, normal echo pattern
Anterior talofibular and calcaneofibular ligaments
- Intact, normal echopattern
Deltoid ligament
- Intact, normal echopattern
Other findings
- Mild soft tissue edema involving the dorsal side of navicular - calcaneum bone.