Marsh, Anthony P.; Vance, Rachel M.; Frederick, Tera L.; Hesselmann, Sarah A.; Rejeski, W. Jack (2007). Objective Assessment of Activity in Older Adults at Risk for Mobility Disability. Medicine & Science in Sports & Exercise, 39(6), 1020-1026.
This study compared three technology types to measure walking activity in older adults and found the NL-2000 to be "the more practical...for use in either research or clinical practice".
Schneider, P. L., S. E. Crouter, and David R. Bassett, Jr. (2004). Pedometer Measures of Free-Living Physical Activity: Comparison of 13 Models. Medicine & Science in Sports and Exercise, 36 (2), 331-335.
This study, considered one of the most respected, compares 13 pedometers during lifestyle activity (how we actually USE them).
Schneider, P. L., S. E. Crouter, O. Lukajic, and D. R. Bassett, Jr. (2003). Accuracy and Reliability of 10 Pedometers for Measuring Steps over a 400-m Walk. Medicine and Science in Sports and Exercise, 35 (10), 1779–1784.
This study compares 10 at self-selected speeds around a 400m track.
Crouter, S. E., P. L. Schneider, M. Karabulut, and D. R. Bassett, Jr. (2003). Validity of 10 Electronic Pedometers for Measuring Steps, Distance, and Energy Cost. Medicine and Science in Sports and Exercise, 35 (8), 1455–1460.
This study compares 10 pedometers on a treadmill as specific speeds.
Crouter, S. E., P. L. Schneider, and D. R. Bassett, Jr. (2005). Spring-Levered versus Piezo-Electric Pedometer Accuracy in Overweight and Obese Adults. Medicine and Science in Sports and Exercise, 37 (10) 1673-1679.
This study compares the Digiwalker and the NL-2000 on those with waists > 104cm, showing how tilt angle affects the mechanical Digiwalker, but not the piezo-electric NL-series mechanism.
Manning, Thomas F; Janelle L.; McKenzie, James M.; Moss, Alin; Swanson, Shayla L.; Heil, Daniel. (2006). Pedometer Longevity - How Long Will a Pedometer Maintain Step Counting Accuracy? Medicine and Science in Sports and Exercise, 38 (5) Supplement S557
This study looked at the longevity of pedometers and accelerometers.
Melanson, Ed, J. R. Knoll, M. L. Bell, W. T. Donahoo, J.O. Hill, et. al. (2004) Commercially available pedometers: considerations for accurate step counting. Preventive Medicine, 39, 361–368.
This study highlights the advantages of piezoelectric pedometers.
Swartz, A. M., D. R. Bassett Jr., J. B. Moore, D. L. Thompson, S. J. Strath (2003). Effects of Body Mass Index on the Accuracy of an Electronic Pedometer. International Journal of Sports Medicine, 24, 588-592.
This study tests the affects of BMI and placement on pedometer accuracy at speeds over 3mph using the Digiwalker SW-200.
Lifestyle Activity Research
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