This article is from the Aerobics Fitness FAQ, by email@example.com (Robles) with numerous contributions by others.
Plantar fasciitis is literally an inflammation of the
plantar fascia, a web of tough, fibrous connective tissue on
the bottom of the foot. Neuromas are irritated nerve endings,
but can cause pain in the foot (or other places, depending on
the nerve in question).
Either condition should be examined by a physician. While
both are commonly caused by overuse, the question of whether
the condition is due to poor technique, simple overuse, or an
orthopedic problem should be explored.
In the case of the latter, orthotics (inserts for shoes designed
to help maintain proper impact cushioning and support for the foot)
can play a major role in the prevention of future episodes.