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Effects of placement, attachment, and weight classification on pedometer accuracy
Susan Vincent Graser1, Robert P Pangrazi, William J Vincent
1Brigham Young University, 249G SFH, Provo, UT, USA.
Journal of Physical Activity & Health
|January 23, 2008
Summary
Pedometer accuracy in children varied by placement. The right side (RS) waistband position is recommended for best results and ease of use during activity.
Area of Science:
- Pedometry and Biomechanics
- Pediatric Health and Activity Monitoring
Background:
- Assessing physical activity in children is crucial for health.
- Pedometer accuracy can be influenced by placement and body mass index (BMI).
Purpose of the Study:
- To evaluate how different waist placements of a pedometer affect its accuracy in children across normal, overweight, and obese categories.
- To compare pedometer accuracy when worn on the waistband versus a belt.
Main Methods:
- Seventy-seven children aged 10-12 years participated.
- Five pedometer placements were tested: navel (NV), anterior midline of the right thigh (AMT), right side (RS), posterior midline of the right thigh (PMT), and middle of the back (MB).
- Participants walked 100 steps on a treadmill at a standardized pace.
Main Results:
- The right side (RS), posterior midline of the right thigh (PMT), and middle of the back (MB) placements on the waistband showed minimal error.
- Anterior midline of the right thigh (AMT) and right side (RS) placements on a belt also yielded low error.
Conclusions:
- The right side (RS) placement on the waistband is recommended due to its accuracy and ease of reading during activity.
- Wearing a belt did not significantly enhance pedometer accuracy, except for normal-weight children at the navel (NV) site.
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