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Post-exercise neural plasticity is augmented by adding blood flow restriction during low work rate arm cycling.
Exp Physiol
January 2025
Centre for Healthy Ageing, Health Futures Institute, Murdoch University, Perth, Australia.
Blood flow restriction (BFR) combined with low work rate exercise can enhance muscular and cardiovascular fitness. However, whether neural mechanisms mediate these enhancements remains unknown. This study examined changes in corticospinal excitability and motor cortical inhibition following arm cycle ergometry with and without BFR.
View Article and Find Full Text PDFThe Influence of Sex, Fitness, BMI, and Cardiovascular Risk Factors on Cerebral Blood Velocity Responsiveness to Graded Exercise Testing in Middle-Aged Adults.
J Gerontol A Biol Sci Med Sci
December 2024
GENUD Toledo Research Group, Faculty of Sport Sciences, University of Castilla-La Mancha, Toledo, Spain.
Mean middle cerebral artery velocity (MCAv) and the pulsatility index (PI), at rest and in response to exercise, are important markers of cerebrovascular health status in middle-aged adults, when vascular decline assumes substantial relevance. Thus, this study aimed to describe and compare the responses of MCAv and PI to incremental exercise. Two hundred and forty-eight volunteers (50-58 years, 55% women) completed a ramp test on a cycle-ergometer.
View Article and Find Full Text PDFSample Preparation of Adherent Cell Lines for Flow Cytometry: Protocol Optimization-Our Experience with SW-480 colorectal cancer cell line.
Indian J Clin Biochem
January 2025
Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovica 69, Kragujevac, 34000 Serbia.
The most common method for detection of apoptosis is flow cytometry. In previously published studies there are some uncertainties and problems about the preparation of adherent cell lines for analysis. Thus, the aim of this study is to determine and describe how preparing the sample of SW-480 cells in two different ways affects the reliability of the results.
View Article and Find Full Text PDFEffects of upper extremity blood flow restriction training on muscle strength and hypertrophy: a systematic review and meta-analysis.
Front Physiol
January 2025
Department of Rehabilitation, China-Japan Union Hospital of Jilin University, Changchun, China.
Background: Low load resistance training with blood flow restriction (LL-BFRT) has been shown to improve muscle strength and hypertrophic function. The effect of LL-BFRT on lower extremity muscle improvement has been widely discussed. However, no studies have discussed the effect of this training method on the upper extremity muscles until now.
View Article and Find Full Text PDFEvaluating factors that impact scoring an open response situational judgment test: a mixed methods approach.
Front Med (Lausanne)
January 2025
Research Department, Acuity Insights, Toronto, ON, Canada.
Introduction: Situational judgment tests (SJT) are commonly used in admissions to measure skills associated with professionalism. Although open-response SJTs have shown strong psychometric properties, assessors' personal beliefs, experiences, and cultural backgrounds may influence how they perceive, organize and evaluate information within test takers' diverse responses. Additionally, SJT research typically focuses on reliability and predictive validity, whereas the construct validity of open response SJTs remains underexplored.
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