They frequently occur at sites on the foot subjected to pressure, especially over the plantar aspect of the foot and metatarsal heads.
Evidence on the relation of barefoot physical education, whether in senior girls schools or elsewhere, to the spread of plantar warts is conflicting.
Except for supporting the arch, it plantar flexes the little toe and also acts as an abductor.
With a mid/forefoot strike, loading of the gastro-soleus complex from shock absorption will serve to aid in plantar flexion from midstance to toe-off.
It is often caused by overuse injury of the plantar fascia, increases in exercise, weight or age.
Running in shoes also appears to increase the risk of ankle sprains, plantar fasciitis, as well as other chronic injuries of the lower limb.
Histologic examination of the plantar fascia often shows myxomatous degeneration, connective tissue calcium deposits, and disorganized collagen fibers.
Posalfilin is a drug containing podophyllin and salicylic acid that is used to treat the plantar wart.
