Foot orthotics are widely used by a lot of different professions to take care of a variety of problems that could affect the feet and lower limb. They usually are indicated if there is an issue with the function or alignment of the feet that could be altered to fix the alignment or function. It is widely believed that when the foot is out of position an entire range of conditions may affect the feet and lower limb. Not everybody needs foot supports, so the choice as to if they needs to be used will depend on on the nature of the foot and leg problem and the connection of the foot alignment to the symptoms.
There are almost as various sorts of foot orthoses as there are feet. The choices are countless. You can easily buy a foot support without a prescription at various sorts of shops and it is almost dependent on luck if what you purchase may be the correct one for your foot shape and the nature of the condition which you have. Many doctors do recommend these kind of non-prescription foot orthotics for the straightforward easy to deal with foot conditions. Having said that, if the foot structure and the type of the biomechanics is more complicated, then a custom foot insole is generally indicated.
How a professional decides on which sort to use is usually based on a comprehensive clinical assessment looking at the structure of the foot and the characteristics of the problem. Even apparently easy choices for instance just how rigid the foot orthotic needs to be is complicated. Those who need foot supports often prefer the flexible ones because they are more comfortable, but the softer it is, the more likely that it is not going to work. The clinical test, named the supination resistance test, is often used to attempt to work out how rigid a foot insole is needed to work to affect the foot. If you want foot orthoses, then it is best to get looked at by a competent podiatrist.