See the list below: 1  Alpha 1-antitrypsin: 20-50 Âµmol/L. 2  Angiotensin-converting enzyme: 23-57 U/L. 3  C-reactive protein: < 5 mg/L. 4  D-dimer: < 500 ng/mL. 5  Erythrocyte sedimentation rate (ESR): Less than age/2 mm/hour. 6  Lactate dehydrogenase (LDH): 50-150 U/L. 7  Lead: < 40 Âµg/dL. 8  Rheumatoid factor: < 25 IU/ml.
1 The average walking speed for older pedestrians was 4.11 feet per second, compared with 4.95 for younger pedestrians. 2  Older females had the slowest walking speed at 3.89 feet per second.
Record. While the average U.S. adult walks 2.5 to 3 miles per day, the maximum an adult can walk per day is much more than that. An average adult can walk 3 to 4 miles per hour at a comfortable pace or 96 miles in 24 hours.The world record for the most miles walked in 24 hours was set by Paul Forthomme in 1984.He walked 140.698 miles.n average adult can walk 3 to 4 miles per hour at a comfortable pace or 96 miles in 24 hours. The world record for the most miles walked in 24 hours was set by Paul Forthomme in 1984.