Cadence (steps/min) and intensity during ambulation in 6-20 year olds: the CADENCE-kids study

The International Journal of Behavioral Nutrition and Physical Activity
Catrine Tudor-LockeWilliam D Johnson

Abstract

Steps/day is widely utilized to estimate the total volume of ambulatory activity, but it does not directly reflect intensity, a central tenet of public health guidelines. Cadence (steps/min) represents an overlooked opportunity to describe the intensity of ambulatory activity. We sought to establish thresholds linking directly observed cadence with objectively measured intensity in 6-20 year olds. One hundred twenty participants completed multiple 5-min bouts on a treadmill, from 13.4 m/min (0.80 km/h) to 134.0 m/min (8.04 km/h). The protocol was terminated when participants naturally transitioned to running, or if they chose to not continue. Steps were visually counted and intensity was objectively measured using a portable metabolic system. Youth metabolic equivalents (METy) were calculated for 6-17 year olds, with moderate intensity defined as ≥4 and < 6 METy, and vigorous intensity as ≥6 METy. Traditional METs were calculated for 18-20 year olds, with moderate intensity defined as ≥3 and < 6 METs, and vigorous intensity defined as ≥6 METs. Optimal cadence thresholds for moderate and vigorous intensity were identified using segmented random coefficients models and receiver operating characteristic (ROC) curves. Participants ...Continue Reading

Associated Clinical Trials

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Citations

Sep 12, 2019·Journal of Physical Activity & Health·Dylan C PerryScott W Ducharme
Jan 19, 2019·The International Journal of Behavioral Nutrition and Physical Activity·Catrine Tudor-LockeJohn Staudenmayer
Apr 29, 2020·JMIR MHealth and UHealth·Jairo H MiguelesFrancisco B Ortega
Jul 14, 2020·Pediatric Exercise Science·Mhairi J MacDonaldAilsa G Niven
Jul 13, 2020·Acta Paediatrica·Roberto Acosta-DigheroBernardita Lopetegui
Jan 1, 2020·International Journal of Environmental Research and Public Health·Wendy Yajun Huang, Eun-Young Lee
Dec 18, 2020·Revista paulista de pediatria : orgão oficial da Sociedade de Pediatria de São Paulo·Eduardo Rossato de VictoVictor Keihan Rodrigues Matsudo
Apr 4, 2021·Sensors·Seung Ki KimEun Sook Park
Jul 18, 2021·The International Journal of Behavioral Nutrition and Physical Activity·Zachary R GouldCatrine Tudor-Locke
Nov 20, 2021·Experimental Gerontology·Ludmila L P CabralEduardo C Costa
Sep 25, 2021·Medicine and Science in Sports and Exercise·Scott A CongerDavid R Bassett

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Software Mentioned

CADENCE
R
Kids

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