A: The term was first used in the U.S. by Abraham Epstein in connection with his group, the American Association for Social Security. Originally, the Social Security Act of 1935 was named the Economic Security Act, but this title was changed during Congressional consideration of the bill.
1 An average fitness walking pace is close to a 15 minute mile. 2  But, a good pace will vary depending on your fitness level, walking technique, walking goals, and terrain.3  For general fitness walking you should walk at a pace that increases your heart rate, and you can maintain for 30 to 60 minutes. 4  Use the talk test... An average fitness walking pace is close to a 15 minute mile. 2  But, a good pace will vary depending on your fitness level, walking technique, walking goals, and terrain.
1 Walking 20 minutes per mile (3 miles per hour): 2250 steps per mile. 2  Walking 15 minutes per mile (4 miles per hour): 1950 steps per mile. 3  Running 12 minutes per mile (5 miles per hour): 1950 steps per mile.  Running 10 minutes per mile (6 miles per hour): 1700 steps per mile.