Measurement in Physical Education and Exercise Science · 2003 · 132 citations · 11 references
Functional Movement ScreeningGait AnalysisPhysical ActivityMeasurementAccelerometerMovement BiomechanicsDigital PedometerEducationAccuracy And PrecisionMovement AnalysisKinesiologyCalibrationExercisePhysical ExerciseApplied MeasurementApplied PhysiologyKinematicsInstrumentationMean DeviationHealth SciencesShake TestPhysical FitnessRehabilitationMeasurement ErrorExercise ScienceSensor CalibrationExercise PhysiologyHuman MovementMeasurement System
This study was designed to test measurement error in a digital pedometer. Twenty-four Yamax MLS-2000 digital pedometers were tested using a walking test and a shake test before and after heavy use in a large study. The mean deviation from 100 steps for the walking test was 2.26 ± .80 (M ± SD) and 1.71 ± .88 on pretest and posttest, respectively. Mean deviation from 100 shakes for the shake test was 0.39 ± 0.29 and 0.60 ± 0.62 for the pretest and posttest, respectively. No pedometer exceeded 5% error (i.e., 5 steps out of 100) on any of the tests. No significant differences were found between the pretest and posttest, F(1, 46) = 1.49, p ⪈ .229, but significant differences were found between the walking and the shake tests, F(1, 46) = 109.04, p < .01. The interaction was significant, F(1, 46) = 7.76, p £ .008. This study demonstrated that very little measurement error existed in the Yamax MLS-2000 digital pedometer. Researchers can have confidence that the scores obtained using this pedometer are accurate.
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