I have used these over-the-counter orthotics for [patients with] plantar fasciitis,
metatarsalgia, neuroma, capsulitis, and tendonitis.»
The possible detrimental results include (but are certainly not limited to): low - back muscle strain, knee strain and degeneration (potentially leading to osteoarthritis), tight calf muscles (potentially leading to achilles tendonitis), muscle cramps in the foot and calf, bunions,
metatarsalgia (pain at the metatarsalphalangeal joint (s)-- the «toe joints», usu.