Search Results - "Petterson, Jennifer L."

The influence of habitual breaks in sedentary time on cardiovagal baroreflex function by O'Brien, Myles W, Al-Hinnawi, Amera, Wu, Yanlin, Petterson, Jennifer L, Shivgulam, Madeline E, Johns, Jarrett A, Frayne, Ryan J, Kimmerly, Derek S

“…Sedentary time has recently been included in the 24-h activity guidelines. However, the impact of habitual sedentary patterns on autonomic cardiovascular…”
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Habitual sedentary time and stationary time are inversely related to aerobic fitness by O'Brien, Myles W., Shivgulam, Madeline E., Petterson, Jennifer L., Wu, Yanlin, Frayne, Ryan J., Mekari, Said, Kimmerly, Derek S.

“…A one metabolic-equivalent-of-task increase in peak aerobic fitness (peak MET) is associated with a clinically relevant improvement in survival risk and…”
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Validity of the ActivPAL monitor to distinguish postures: A systematic review by O’Brien, Myles W., Wu, Yanlin, Petterson, Jennifer L., Bray, Nick W., Kimmerly, Derek S.

“…Posture has been recently integrated into activity guidelines, advising people to limit their sedentary time and break up sedentary postures with…”
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Validity of the activPAL monitor to measure stepping activity and activity intensity: A systematic review by Wu, Yanlin, Petterson, Jennifer L., Bray, Nick W., Kimmerly, Derek S., O’Brien, Myles W.

“…Accumulating step counts and engaging in moderate-to-vigorous intensity physical activity is positively associated with numerous health benefits. The activPAL…”
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An open-source program to analyze spontaneous sympathetic neurohemodynamic transduction by O'Brien, Myles W, Petterson, Jennifer L, Kimmerly, Derek S

“…The sympathetic nervous system is important for the beat-by-beat regulation of arterial blood pressure and the control of blood flow to various organs…”
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Does COVID‐19 influence the sympathetic regulation of blood pressure? by Petterson, Jennifer L., McPhee, Breanna N., Wu, Yanlin, O'Brien, Myles W.

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The impact of age and sex on popliteal artery endothelial-dependent vasodilator and vasoconstrictor function by O'Brien, Myles W., Johns, Jarrett A., Petterson, Jennifer L., Mekary, Said, Kimmerly, Derek S.

“…Lower-limb arteries, such as the popliteal artery, are a common site of atherosclerosis. These arteries are habitually exposed to large fluctuations in blood…”
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Faster stepping cadence partially explains the higher metabolic cost of walking among females versus males by Rayner, Sophie E, Pellerine, Liam P, Wu, Yanlin, Shivgulam, Madeline E, Petterson, Jennifer L, Kimmerly, Derek S, O'Brien, Myles W

“…The metabolic cost of walking (MCOW), or oxygen uptake normalized to distance, provides information on the energy expended during movement. There are…”
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Influence of prostaglandins and endothelial-derived hyperpolarizing factors on brachial and popliteal endothelial-dependent function in young adults by Petterson, Jennifer L, O'Brien, Myles W, Johns, Jarrett A, Chiasson, Jack, Kimmerly, Derek S

“…Heterogeneous flow-mediated dilation (FMD) and low-flow-mediated constriction (L-FMC) responses have been reported between upper- and lower-limb arteries…”
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Nadir blood pressure responses to longer consecutive cardiac cycle sequences absent of sympathetic bursts are associated with popliteal endothelial-dependent dilation by O'Brien, Myles W., Schwartz, Beverly D., Petterson, Jennifer L., Courish, Molly K., Shivgulam, Madeline E., Kimmerly, Derek S.

“…The nadir pressure responses to cardiac cycles absent of muscle sympathetic nerve activity (MSNA) bursts (or non-bursts) are typically reported in studies…”
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The impact of different step rate threshold methods on physical activity intensity in older adults by O’Brien, Myles W., Petterson, Jennifer L., Johns, Jarrett A., Mekary, Said, Kimmerly, Derek S.

“…Older adults benefit most from engaging in higher-intensity physical activity, which is often determined using step rate thresholds. Fixed step rate thresholds…”
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Assessing the criterion validity of the activPAL CREA v1.3 algorithm and ActiPASS 2023.12 software for detecting steps during a progressive treadmill-based laboratory protocol by Pellerine, Liam. P., Courish, Molly K., Petterson, Jennifer L., Shivgulam, Madeline E., Johansson, Peter J., Hettiarachchi, Pasan, Kimmerly, Derek S., O'Brien, Myles W.

“…Thigh-worn accelerometry is commonly implemented to measure step cadence. The default activPAL CREA algorithm is a valid measure of cadence during walking, but…”
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Impact of sampling duration on spontaneous sympathetic transduction by O’Brien, Myles W., Petterson, Jennifer L., Kimmerly, Derek S.

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More moderate-intensity physical activity and less prolonged sedentary time are associated with better very short-term systolic blood pressure variability in healthy adults by Schwartz, Beverly D., Shivgulam, Madeline E., Petterson, Jennifer L., Wu, Yanlin, Frayne, Ryan J., Kimmerly, Derek S., O’Brien, Myles W.

“…Whole-day movement guidelines for improving health, recommend that adults engage in at least 150 min week −1 of moderate-to-vigorous aerobic physical activity…”
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A larger low‐flow‐mediated constrictor response is associated with augmented flow‐mediated dilation in the popliteal artery by O'Brien, Myles W., Petterson, Jennifer L., Johns, Jarrett A., Mekary, Said, Kimmerly, Derek S.

“…In the brachial artery, conflicting evidence exists regarding the relationship between the low‐flow–mediated constriction (L‐FMC) and subsequent flow‐mediated…”
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Sitting knee-flexion angle does not influence endothelial-dependent vasodilation in laboratory or free-living conditions by Shivgulam, Madeline E, O’Brien, Myles W, Wu, Yanlin, Liu, Haoxuan, Petterson, Jennifer L, Schwartz, Beverly D, Kimmerly, Derek S

“…Introduction: Single bouts of prolonged bent-legged sitting attenuate popliteal endothelial-dependent vasodilation (as assessed via flow-mediated dilation…”
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What is the impact of aerobic fitness and movement interventions on low-flow-mediated vasoconstriction? A systematic review of observational and intervention studies by O’Brien, Myles W, Petterson, Jennifer L, Wu, Yanlin, Bray, Nick W, Kimmerly, Derek S

“…The cardiovascular benefits of physical exercise are well established. The vasoreactivity that occurs during reductions in local arterial blood flow, termed…”
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Substituting Stationary Time With Moderate-Intensity Activity May Improve Flow-Mediated Dilation by O'Brien, Myles W., Shivgulam, Madeline E., Petterson, Jennifer L., Wu, Yanlin, Johns, Jarrett A., Frayne, Ryan J., Kimmerly, Derek S.

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Impact of habitual sedentary patterns on popliteal artery endothelial-dependent vasodilation in healthy adults by Shivgulam, Madeline E, O’Brien, Myles W, Johns, Jarrett A, Petterson, Jennifer L, Wu, Yanlin, Frayne, Ryan J, Kimmerly, Derek S

“…Introduction: Acute, laboratory-based bouts of prolonged sitting attenuate lower-limb arterial endothelial-dependent vasodilation. However, the impact of…”
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Comparison of signal-averaging and regression approaches to analyzing sympathetic transduction by O’Brien, Myles W., Schwartz, Beverly D., Petterson, Jennifer L., Kimmerly, Derek S.

“…Purpose Spontaneous sympathetic transduction reflects the vascular and/or pressor responses to bursts of muscle sympathetic nerve activity (MSNA). Separately,…”
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