The primary aim was to determine whether incidental physical activity (IPA), expressed either as duration or intensity, was associated with cardiorespiratory fitness (CRF).
Participants were inactive abdominally obese men (n = 43, waist circumference = 102 cm) and women (n = 92, waist circumference = 88 cm) recruited from Kingston, Canada. IPA (>100 counts per minute) was determined by accelerometry during 7 d and categorized into duration (min·d(-1)) and intensity (counts per minute). In secondary analyses, IPA was further categorized as light physical activity (LPA, 100-1951 counts per minute) and sporadic moderate physical activity (MPA, = 1952 counts per minute accumulated in bouts 0.05). Sporadic MPA was associated with CRF (r2 = 0.20, P
Notes
Erratum In: Med Sci Sports Exerc. 2012 Mar;44(3):562