Updated March 2026
Orthoses (also known as orthotics) are medical-grade, in-shoe devices designed to treat or prevent foot, ankle, and lower limb issues. Unlike generic insoles, true orthoses alter how your feet’s structures and muscles react during movement. They work by supporting your foot function, controlling biomechanical alignment, redistributing pressure, and reducing pain to improve overall mobility and prevent long-term injury.
Key Takeaways
- Orthoses are medical tools designed to treat specific conditions like plantar fasciitis and arthritis.
- Custom devices are made to measure, providing far greater correction and comfort than generic “off-the-shelf” cushions.
- They help realign the way your body moves, actively reducing joint stress instead of just offering padding.
- Made from medical-grade materials, these orthoses last far longer than standard pharmacy foam inserts.
- Many private health insurance plans cover custom orthoses, making them eligible for rebates.
Understanding the Different Types of Orthoses
Orthoses come in a variety of forms, each designed to support, protect, or improve the function of your feet and lower limbs. From fully custom devices tailored to your unique anatomy to simple over-the-counter inserts, the type of orthosis chosen depends on the level of support needed, the underlying condition, and your daily activity requirements.
1. Custom Foot Orthoses
Custom foot orthoses are medical-grade devices moulded to your unique foot shape. From an in-depth biomechanical assessment and 3D scan by a podiatrist, a specific prescription is created for your needs.
- Functional orthotics are used to support and control abnormal biomechanics, such as flat feet or overpronation.
- Accommodative orthotics help redistribute pressure away from painful areas or deformities.
- In severe cases, Ankle-Foot Orthoses (AFOs) may be prescribed to provide extra stability above the ankle.
2. Semi-Custom Foot Orthoses
These use a generic template for the shell but allow for minor modifications. While more affordable than fully custom devices, they do not offer the same precise contouring to your foot structure.
3. Off-The-Shelf or Prefabricated Orthoses
These generic insoles provide basic arch support. They are often made of softer materials like EVA, which wear down quickly. These are best suited for minor issues in individuals with no significant biomechanical misalignments.
4. Gel Inserts and Heel Cups
Strictly speaking, these are not orthoses. They provide temporary comfort and cushioning but do not support the foot or treat the underlying cause of pain.
Common Conditions Treated with Orthoses
Orthoses are a versatile treatment modality for various lower-limb concerns:
- Problems like excessively flat feet or high arches can affect overall balance.
- Heel and arch pain may be caused by conditions such as plantar fasciitis or heel spurs.
- Forefoot conditions, like Morton’s neuroma or Hallux rigidus (stiff big toe), can cause discomfort when walking.
- Deformities such as bunions, claw toes, or hammer toes may require orthotic support.
- Arthritis can affect the feet, ankles, or knees.
- Recurrent blisters or corns can develop in high-pressure areas of the feet.
Frequently Asked Questions
Do I have to wear joggers all the time?
No. Modern podiatry allows for slimmer, “dress” orthoses designed to fit into sandals, boots, and casual footwear. You can discuss your lifestyle needs with your podiatrist to ensure your devices fit your preferred shoes.
Will my foot muscles get weaker?
No. Orthoses aim to optimise muscle usage. By placing your foot in a better alignment, your muscles can work more efficiently. This often allows you to be active for longer periods, which can actually help maintain muscle engagement while preventing overuse injuries.
Why did my previous orthoses hurt?
Technology and foot shapes change. Just like an eye prescription, your orthoses may require an update every few years. Additionally, modern 3D scanning and lightweight materials make today’s orthoses significantly more comfortable than older, bulkier versions.
Why is There a Difference in Orthotic Prices?
It is easy to get confused by the variety of “shoe inserts,” “insoles,” and “gel cushions” available at pharmacies or shoe stores. The price difference usually reflects the level of customisation, the quality of materials, and the clinical expertise required for the prescription.
Expert Assessment at Southwest Foot and Ankle Centre
Because generic inserts can sometimes do more harm than good, a professional diagnosis is essential. At Southwest Foot and Ankle Centre, our podiatrists are specifically trained in biomechanical prescription to ensure you receive the correct device for your specific gait.
Contact the team at Southwest Foot and Ankle Centre today on (08) 9791 1319 or book your assessment online at our Bunbury or Vasse clinics.
