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Table 1 Measurements of the width of the capsular complex

From: Anatomic study of the medial side of the ankle base on the joint capsule: an alternative description of the deltoid and spring ligament

Location of the measurementsa Average and standard deviation (mm)
Capsule attachment on the tibia
 Medial edge of talar plafond (Ti1) 5.0 ± 1.7
 Anterior colliculus (Ti2) 10.3 ± 1.7
 Intercolliculus (Ti3) 13.7 ± 1.3
 Posterior colliculus (Ti4) 2.9 ± 0.9
Capsule attachment on the talus
 Extension of the medial edge of talar plafond (Ta1) 8.1 ± 1.6
 Posteromedial corner of anterior  talonavicular joint cartilage (Ta2) 7.2 ± 2.3
 Short axis (Ta3) 8.9 ± 1.4
 Long axis (Ta4) 17.5 ± 3.2
Capsule attachment on the navicular
 Lateral edge of insertion of PT tendon (Na1) 19 ± 2
 Proximal part of insertion (Na2) 5.1 ± 2.1
Capsule attachment on the calcaneus
 Posterior edge of sustentaculum tali (Ca1) 8.5 ± 1.4
 Anterior edge of sustentaculum tali (Ca2) 7.1 ± 1.6
  1. aLocations of the measurements are depicted in Fig. 5