Validity of the activPAL monitor to measure stepping activity and activity intensity: A systematic review
Background Accumulating step counts and engaging in moderate-to-vigorous intensity
physical activity is positively associated with numerous health benefits. The activPAL is a …
physical activity is positively associated with numerous health benefits. The activPAL is a …
Implications and recommendations for equivalence testing in measures of movement behaviors: A scoping review
MW O'Brien - Journal for the Measurement of Physical …, 2021 - journals.humankinetics.com
Equivalence testing may provide complementary information to more frequently used
statistical procedures because it determines whether physical behavior outcomes are …
statistical procedures because it determines whether physical behavior outcomes are …
Is “not different” enough to conclude similar cardiovascular responses across sexes?
MW O'Brien, DS Kimmerly - American Journal of …, 2022 - journals.physiology.org
The number of research studies investigating whether similar or different cardiovascular
responses or adaptations exist between males and females is increasing. Traditionally …
responses or adaptations exist between males and females is increasing. Traditionally …
[HTML][HTML] Quality evaluation of free-living validation studies for the assessment of 24-hour physical behavior in adults via wearables: systematic review
Background Wearable technology is a leading fitness trend in the growing commercial
industry and an established method for collecting 24-hour physical behavior data in …
industry and an established method for collecting 24-hour physical behavior data in …
Impact of habitual sedentary patterns on popliteal artery endothelial-dependent vasodilation in healthy adults
ME Shivgulam, MW O'Brien, JA Johns… - Vascular …, 2022 - journals.sagepub.com
Introduction: Acute, laboratory-based bouts of prolonged sitting attenuate lower-limb arterial
endothelial-dependent vasodilation. However, the impact of habitual sedentary patterns on …
endothelial-dependent vasodilation. However, the impact of habitual sedentary patterns on …
[HTML][HTML] Use of activPAL to measure physical activity in community-dwelling older adults: a systematic review
Objective To perform a systematic review of the literature to describe how the activPAL
accelerometer has been used to measure physical activity (PA) in community-dwelling older …
accelerometer has been used to measure physical activity (PA) in community-dwelling older …
The impact of age and sex on popliteal artery endothelial-dependent vasodilator and vasoconstrictor function
MW O'Brien, JA Johns, JL Petterson, S Mekary… - Experimental …, 2021 - Elsevier
Lower-limb arteries, such as the popliteal artery, are a common site of atherosclerosis.
These arteries are habitually exposed to large fluctuations in blood flow during physical and …
These arteries are habitually exposed to large fluctuations in blood flow during physical and …
The effect of cardiorespiratory fitness and habitual physical activity on cardiovascular responses to 2 h of uninterrupted sitting
Prolonged uninterrupted sitting of> 3 h has been shown to acutely cause central and
peripheral cardiovascular dysfunction. However, individuals rarely sit uninterrupted for> 2 h …
peripheral cardiovascular dysfunction. However, individuals rarely sit uninterrupted for> 2 h …
The influence of habitual breaks in sedentary time on cardiovagal baroreflex function
MW O'Brien, A Al-Hinnawi, Y Wu… - Applied Physiology …, 2021 - cdnsciencepub.com
Sedentary time has recently been included in the 24-h activity guidelines. However, the
impact of habitual sedentary patterns on autonomic cardiovascular regulation are unclear …
impact of habitual sedentary patterns on autonomic cardiovascular regulation are unclear …
Ecological validity of prolonged sitting studies: How well do they represent real-life sedentary patterns? A pilot study
MW O'Brien, Y Wu, JL Petterson… - … Journal of the …, 2022 - journals.lww.com
Acute prolonged sitting studies have been frequently implemented to determine the
physiological effect of sedentary time on vascular and metabolic health. The length of these …
physiological effect of sedentary time on vascular and metabolic health. The length of these …