Pronation affects about 80% of the population, and about 1 in 10 people will develop plantar fasciitis in their lifetime.
The result is that the muscles and tendons that hold the arch up (running from the heel to the toes) became strained as they lengthen. The strain causes micro-tearing, inflammation, and pain. Spasm in the soft tissues results as a means to fight the dropping of the arch. This just means MORE pain!
Here's what you can do to ease the pain.