Measurement error of 3-D kinematic and kinetic measures during overground endurance running in recreational runners between two test sessions separated by 48 hours

Stoneham, Richard, Barry, Gill, Saxby, Lee and Wilkinson, Mick (2019) Measurement error of 3-D kinematic and kinetic measures during overground endurance running in recreational runners between two test sessions separated by 48 hours. Physiological Measurement, 40 (2). 024002. ISSN 0967-3334

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Abstract

Objective: The purpose of this study was to quantify measurement error of 3-D kinematic and kinetic measures during overground endurance running between two sessions separated by 48 hours. Approach: 13 recreational runners were assessed on two occasions while running overground, over embedded force plates and through an array of 3-D cameras. Main results: In the sagittal, frontal and transverse planes, over the entire stance phase, the typical error of kinematic variables ranged from 1.33° – 6.16° for the hip, 1.38° – 6.01° for the knee and 0.48° – 7.36° for the ankle. Over the same time period and planes typical error of peak-joint moments ranged from 0.04 – 0.54 NmcenterdotKg-1 for the hip, 0.06 – 0.37 NmcenterdotKg-1 for the knee and 0.01 – 0.15 NmcenterdotKg-1 for the ankle. Significance: Results suggest 3-D kinematic and kinetic measures of the stance phase in overground-endurance running are reliable between sessions separated by 48 hours. The measurement error reported here could inform sample-size estimates for future studies and provide smallest-detectable changes for the interpretation of interventions performed over a similar time scale.

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