Effectiveness of Specifically Optimized Off-the-counter Foot Orthosis for the Subtle Cavus Foot

"The study device is a specifically optimized off-the-counter foot orthosis modified by an additional wedging added onto the original Formthotics (Original Dual Hard) with standard arch fill reduction to achieve a foot orthosis that is tailored for the management of mechanical foot pains in the Subtle Cavus foot type. The original Formthotics (Original Dual Hard) is currently in use and is considered a Class A medical device according to the Health Science Authority of Singapore risk classification system. At the moment, the original Formthotics (Original Dual Hard) is also available in the retail market, abeit, without assessment guided optimisations for specific feet types."

The control device for this study would be the plain original Formthotics (Original Dual Hard).