The current worldwide market for foot orthoses is reported to be worth around 3 to 4-billion-dollars. A lot of people are manufacturing and buying them! Foot orthoses come in many different forms from different sources. They can be bought on Amazon for less than £5 and you can buy them from health professionals for several hundreds of pounds.
First up let’s talk terminology:
Podiatrist/ Orthotist – Clinicians who prescribe orthoses
Orthotics – describes the specialism
Orthosis – a single orthotic device
Orthoses – more than one orthosis, e.g., a pair of foot orthoses