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Walking Around the Earth more than 4 times
The average person, engaging in non-strenuous activity, walks approximately 4 miles every day, or about 115,000 miles (185,000 kilometers) in a lifetime. That means the average person walks around the earth more than 4 times.
Sweat glands
Each foot has about 250,000 sweat glands and together they release close to a cup of moisture every day.
Several hundred tons
During a typical day the feet endure a cumulative force of several hundred tons.
25% of the body's bones
Of the body's 206 bones, 26 of them are located in each foot. That's 25% of the body's bones just in the feet.
33 joints
There are 33 joints in each foot that hold the bones together.
20 muscles each
Each foot requires 20 different muscles to move.
100 ligaments
There are more than 100 ligaments in each foot joining the bones together.
Painful problems
More than 70% of all people in the United States will experience painful foot problems at some point in their lifetime. This does not mean that foot pain is normal.
15% have arthritis
40 million people in the United States have some type of arthritis. This represents 15% of the population or one in every seven people (The American Podiatric Medical Association).
Increase to 57%
The prevalence of arthritis is projected to increase 57% to about 59.6 million people with arthritis by the year 2020. This represents 18.2% of the population (The American Podiatric Medical Association).
Work-related disability
Arthritis is a leading cause of work-related disability among people (The American Podiatric Medical Association).
Arthritis causes inactivity
An estimated 2.8% of the population or 7 million people have arthritis as a major or contributing cause of activity limitation (The American Podiatric Medical Association).
Increased disability
The prevalence of arthritis related disability is expected to rise to an estimated 11.6 million people by the year 2020 (The American Podiatric Medical Association).
"When our feet hurt..."
The Greek philosopher Socrates said that "When our feet hurt, we hurt all over."
"A masterpiece"
Leonardo da Vinci referred to the foot as "a masterpiece of engineering and a work of art."
Achilles
The largest and strongest tendon in the foot is named after the ancient Greek hero, Achilles.
Learn more about foot problems