This painful condition, which can be common in new runners and affects women more than men, occurs when the the fibrous band that runs from the heel bone to the base of the toes stretches too far and tears. (health.com)
The American Orthopaedic Foot and Ankle Society describes plantar fasciitis as essentially an «overuse injury» resulting from inflammation of a band of tissue in the sole of the foot that links the heel bone to the base of the toes. (health.com)
The suffix «itis «indicates inflammation, which in this case targets the fascia, a thick band of connective tissue that runs from the heel bone to the base of the toes. (fitnessandpower.com)