Table 2

Themes of the ideal design specifics and purpose of off-the-shelf therapeutic stability footwear derived from section 2

ThemeRegionDimension/manufactureMaterial/properties
StabilityHeel counter/stiffenerExtended to midfoot and towards topline.
Robust anchorage to welt and outsole.
Stiffened material.
ToplineExtended above ankle
To assist leverage of heel counter.
Leather.
Outer soleWider than heel cup of upper
Range of tread depths.
Deepened tread for uneven terrain.
Shallower for indoor use to avoid catching on the walking surface.
Minimal heel forefoot differential to maximise stability.
Stiffer at the heel and midfoot.
Hard wearing sole material.
UpperLeather with stiffened material properties.
Inlay/insoleContoured to cup the child’s heel to improve the rearfoot fit.
Fastenings/facingsFacings extended to midfoot.Lace fastenings.
Forefoot rockerShould not be so large to affect ground clearance in swing.
ErgonomicsHeel counter/stiffenerRange of available extensions to accommodate ankle anatomy.
ToplinePadded collar and contoured to ankle anatomy.
Outer soleFlexibility focused at the toe flex line.
UpperRange of available dimensional adaptions to accommodate foot anatomy.
Tongue adapted to avoid slippage under fastenings.
Tongue length to provide comfort from fastenings.
Range of materials to allow breathability in warm climates.
Wipeable material dependent on user’s continence.
Fastening/facingsFacings extended to toe box to allow greater access to footwear for limited foot and ankle mobility.Velcro or lace dependent on the patient’s dexterity.
Inlay/insoleContoured to cup the child’s heel to improve rearfoot fitting.
Deep enough to simulate potential prescriptive orthoses.
Footwear kept to the lowest reasonable mass to reduce the physiological cost to a child in mobility.
AestheticsUpperRange of colours.Range of material.