The current gold-standard for custom corrective plantar foot orthoses is to manufacture from raw materials off corrective, 3-dimensional volumetric casts. We use 3 techniques to obtain this type of cast:
- Slipper plaster casting technique with the subtalar joint in neutral. This technique is superior at capturing the correct foot position in the cast. Plaster slipper casting involves applying plaster directly to the foot in order to capture the contours and shape of your foot. This is usually taken non-weight bearing.
- Foam box impressions involve pushing the foot into a foam box either from a standing or seated position. This can be a semi-weight bearing or full-weight bearing technique often used if someone cannot get on a table for plaster casting or if a less aggressive (more accommodative) shell shape is desired such as for severe arthritics or diabetics (sores on foot). This technique is also used for clients with no forefoot to rearfoot misalignment.
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