Tibiotalar joint: anterior bone-capsule distance | Ankle: anterior longitudinal midline | 1 cm distal of tibiotalar joint | 1.1 | 0.4 | 3.8 | 1.0 |
Tibiotalar joint: posterior bone-capsule distance | Ankle: posterior longitudinal midline | Directly distal of tibiotalar joint | 1.2 | 0.3 | 3.7 | 1.1 |
Talonavicular joint: anterior bone-capsule distance | Ankle: anterior longitudinal midline | Maximum diameter | 1.4 | 0.4 | 4.2 | 1.2 |
Tibialis anterior tendon: transverse diameter | Ankle: anterior transverse | At tibiotalar joint | 8.2 | 5.0 | 14.2 | 3.5 |
Tibialis anterior tendon: sagittal diameter | Ankle: anterior transverse | At tibiotalar joint | 2.5 | 1.1 | 4.5 | 1.3 |
Tibialis anterior tendon: hypoechoic rim | Ankle: anterior transverse | At tibiotalar joint | 0.8 | 0.1 | 2.8 | 0.9 |
Tibialis posterior tendon: transverse diameter | Ankle: medial transverse | Directly below level of medial malleolus | 8.4 | 3.1 | 14.1 | 4.2 |
Tibialis posterior tendon: sagittal diameter | Ankle: medial transverse | Directly below level of medial malleolus | 2.8 | 1.3 | 6.0 | 1.8 |
Tibialis posterior tendon: hypoechoic rim | Ankle: medial transverse | Directly below level of medial malleolus | 1.2 | 0.2 | 3.8 | 1.6 |
Peroneus longus tendon: transverse diameter | Ankle: lateral transverse | Directly below level of lateral malleolus | 6.0 | 2.5 | 12.3 | 3.7 |
Peroneus longus tendon: sagittal diameter | Ankle: lateral transverse | Directly below level of lateral malleolus | 3.0 | 0.8 | 6.1 | 1.6 |
Peroneus longus tendon: hypoechoic rim | Ankle: lateral transverse | Directly below level of lateral malleolus | 1.1 | 0.2 | 4.1 | 1.2 |
Peroneus brevis tendon: transverse diameter | Ankle: lateral transverse | Directly below level of lateral malleolus | 4.3 | 1.8 | 13.0 | 3.0 |
Peroneus brevis tendon: sagittal diameter | Ankle: lateral transverse | Directly below level of lateral malleolus | 2.5 | 0.5 | 4.2 | 1.3 |
Peroneus brevis tendon: hypoechoic rim | Ankle: lateral transverse | Directly below level of lateral malleolus | 0.9 | 0.2 | 2.2 | 0.8 |
Achilles tendon: transverse diameter | Ankle: posterior transverse | 2 cm proximal of calcaneus | 14.3 | 8.2 | 20.6 | 4.1 |
Achilles tendon: sagittal diameter | Ankle: posterior longitudinal | 2 cm proximal of calcaneus | 4.3 | 2.6 | 6.7 | 1.6 |
Achilles tendon: hypoechoic rim | Ankle: posterior transverse | 2 cm proximal of calcaneus | 1.0 | 0.2 | 4.4 | 2.3 |
Retrocalcaneal bursa: longitudinal diameter | Ankle: posterior longitudinal | Maximum longitudinal diameter | 5.5 | 1.1 | 13.9 | 5.0 |
Retrocalcaneal bursa: transverse diameter | Ankle: posterior transverse | Maximum transverse diameter | 5.5 | 0.9 | 13.4 | 5.4 |
Retrocalcaneal bursa: sagittal diameter | Ankle: posterior longitudinal | Maximum sagittal diameter | 1.3 | 0.3 | 3.4 | 1.4 |
Plantar fascia: sagittal diameter | Plantar: longitudinal | At distal plantar end of calcaneus | 3.4 | 1.8 | 5.3 | 1.3 |
MTP I joint: maximum bone-capsule distance | MTP I joint: anterior longitudinal | Region proximal of MTP I | 1.7 | 0.2 | 4.8 | 1.8 |
MTP II joint: maximum bone-capsule distance | MTP II joint: anterior longitudinal | Region proximal of MTP II | 1.6 | 0.4 | 3.9 | 1.5 |