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The subtalar joint is difficult to evaluate radiographically. Usually a weight-bearing AP or mortise view along with a lateral view is sufficient for foot and ankle assessment.
- Weight-bearing AP or mortise view
- Weight-bearing lateral view
- Dorso-plantar view allows assessment of the talo-calcaneal angle. This angle is increased in flat feet and reduced in cavus feet.
- Hindfoot view (e.g. hindfoot alignment view, long axial view). This allows assessment of the hindfoot axis in chronic ankle instability
- Stress radiographs. These aren't generally recommended. Intra-operatively however they can be used to distinguish between ankle and subtalar joint instability
- Harries-Beth, Broden, lateral oblique axial views. These can allows proper assessment of the subtalar joint
- Hindfoot alignment view.
- Long axial view. Also allows viewing hindfoot alignemnt
- Subtalar view