RICHIE BRACE CASTING - STS SOCK

Materials Required:

  • Water soluble pen, scissors, protective plastic cutting strip/tube, masking tape, latex glove;
  • STS sock (proper size), protective plastic baggie, luke warm water.

A. Preparation

1. Outline the medial and lateral malleoli with a water soluble marker.  Place a dot at the central apex of each malleolus to landmark axis location. 
2. Palpate subtalar joint  to identify neutral position and desired casting position. 
3. Observe casting position by suspending foot from the 4th & 5th toes. Position the STJ in neutral and dorsiflex the ankle to 90 degrees to fully pronate and lock the MTJ.

B. Casting

1. Adhere protective plastic strip/tube with masking tape. 
2. Apply masking tape around ankle and transfer landmarks. 
3. Apply wet sock (soak in water for approx 20 seconds).  Pull sock off toes to prevent flexion of the digits. 

 

4. Assume casting position and reduce  supinatus by pressing down on the 1st ray at the level of the medial cuneiform-1st metatarsal joint. 
5. Allow cast to dry for 3-5 minutes. Using blunt-nosed scissors, cut down strip/tube to level of 1st metatarsal head and remove with care. 
6. Cast Evaluation: It should be noted that the cast will not sit in calcaneus vertical if structural forefoot varus is present. 



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