Miguel Andres Calabro

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BACKGROUND Accelerometers can provide accurate estimates of moderate-to-vigorous physical activity (MVPA). However, one of the limitations of these instruments is the inability to capture light activity within an acceptable range of error. The purpose of the present study was to determine the validity of different activity monitors for estimating energy(More)
PURPOSE The purpose of this study was to examine the validity of a computerized 24-hour physical activity recall instrument (24PAR). METHODS Participants (n=20) wore 2 pattern-recognition activity monitors (an IDEEA and a SenseWear Pro Armband) for a 24-hour period and then completed the 24PAR the following morning. Participants completed 2 trials, 1(More)
Recess is a frequent target in school-based physical activity (PA) promotion research but there are challenges in assessing PA during this time period. The purpose of this study was to evaluate the reliability and validity of a recess PA recall (RPAR) instrument designed to assess total PA and time spent in moderate to vigorous PA (MVPA) during recess. One(More)
PURPOSE The primary purpose of this study was to evaluate the validity of an interviewer-administered, 24-h physical activity recall (PAR) compared with that of the SenseWear Armband (SWA) for estimation of energy expenditure (EE) and moderate-to-vigorous physical activity (MVPA) in a representative sample of adults. A secondary goal was to compare(More)
BACKGROUND/OBJECTIVES Objective and subjective measurement instruments have been used to estimate energy expenditure (EE) as alternatives to the doubly labeled water (DLW) methodology, but their relative validity for older adults remains uncertain. The purpose of this study was to validate an objective monitor (SenseWear Mini Armband) and a self-report(More)
[3H]-dopamine (DA) binding to bovine anterior pituitary membranes were measured using sensitive in vitro ultrafiltration and centrifugation techniques. The specific interaction of [3H]-DA with the membrane fraction reached a steady-state level within 15 min at 30 degrees C and was reversible by incubating with excess nonradioactive DA. Scatchard analysis(More)
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