Jake DianaUniversity of North Carolina at Chapel Hill | UNC · Department of Exercise and Sport Science
Master of Arts
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Citations since 2017
12 Research Items
Current Research Interests: Effects of specific behavioral decisions on cardiovascular health; Cardiovascular physiology; Public health // Methods and Techniques: Accelerometry, Near-infrared spectroscopy, Ultrasound, VICORDER, Non-invasive blood pressure, EKG, LabChart
August 2018 - May 2020
Assessment of the SphygmoCor XCEL device's between-day reliability for measures of pulse wave velocity (PWV).
Objective Pulse-wave velocity (PWV), a common measure of arterial stiffness, can be measured continuously and across multiple body sites using photoplethysmography (PPG). The objective was to determine whether a simple photoplethysmography PPG PWV method agrees with a referent device. Approach Photoplethysmography heart-finger PWV (hfPWV) and hear...
Objective: Childhood cardiometabolic disease risk (CMD) has been associated with short sleep duration. Its relationship with other aspects of sleep should also be considered, including social jetlag (SJL) which represents the difference between a person's social rhythms and circadian clock. This study investigated whether childhood CMD risk is asso...
Regular exposure to uninterrupted prolonged sitting and the consumption of high glycemic meals (HGI) is independently associated with increased cardiovascular disease risk. Sitting for as little as 1-hour can impair the health of both peripheral and central arteries. However, it is currently unknown whether combined acute exposure to uninterrupted...
Flow-mediated slowing (FMS), defined as the minimum pulse wave velocity (PWV min ) during reactive hyperemia, is potentially a simple, user-objective test for examining endothelial function. The purpose of the current study was to determine the effects of a known endothelial dysfunction protocol on arm PWV and PWV min . Complete data were successfu...
Mobility researchers interested in neuromuscular excitation rates calculate a variety of dependent measures from surface electromyograms (sEMG). This variation makes the interpretation of findings across studies difficult. PURPOSE: To determine the interrelationships between common sEMG-dependent measures METHODS: Isometric force and sEMG were reco...
Stress and sedentarism have reached pandemic levels in the American workforce. If we are to reduce health costs due to negative behavioral decisions, further research is necessary. The physiological mechanisms in which mental stress and prolonged sitting influence the function of the cardiovascular system are well-defined. It is unclear how exposure to prolonged sitting impacts the cardiovascular response to mental stress in the "white-collar", middle-aged population.
Testing the ability of a 12 week program to improve central and peripheral measures of arterial stiffness. I will be working on processing the accelerometer data collected from each participant before, during, and after their involvement in the study protocol.
The purpose of this project is to assess the reliability of Near-Infrared Spectroscopy, Spatially Resolved Spectroscopy (NIRS-SRS) to adequately measure cerebral blood flow. Dependent variables will be observed during various body positions and during Stroop test.