Buying insoles for arch support are usually done in order to relieve the pain from plantar fasciitis, neuroma, heel/arch pain, shin splints, knee and back pain and/or other ailments.  Sometimes this purchase will lead to no relief of pain or possibly an increase in pain.  Taking these 7 most common mistakes into consideration when buying your insoles will help insure you get the correct insoles.  The proper insole will have a 3 point correction for the foot in the heel, arch and forefoot (ball...