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 Foot Anatomy
 A very strong ligament (the plantar fascia) attaches to the bottom of the
heel bone and supports the arch. Beneath the heel bone is a thick, shock absorbent
fat pad through which run vital nerves and blood vessels. If the fat pad thins (as
it does in normal aging) excessive pressure is placed on the ligament, nerve and other
delicate tissues. The foot is vulnerable
to repetitive motion injuries. So any activity requiring the same action or movement
for an extended period may lead to an overuse injury.
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