Search Results - "Birch, Karen M."

An investigation into the optimal wear time criteria necessary to reliably estimate physical activity and sedentary behaviour from ActiGraph wGT3X+ accelerometer data in older care home residents by Airlie, Jennifer, Forster, Anne, Birch, Karen M

“…Research protocols regarding the use of ActiGraph wGT3X+ accelerometers in care home residents are yet to be established. The purpose of this study was to…”
Get full text

Omega-3 polyunsaturated fatty acids favourably modulate cardiometabolic biomarkers in type 2 diabetes: a meta-analysis and meta-regression of randomized controlled trials by O'Mahoney, Lauren L, Matu, Jamie, Price, Oliver J, Birch, Karen M, Ajjan, Ramzi A, Farrar, Diane, Tapp, Robyn, West, Daniel J, Deighton, Kevin, Campbell, Matthew D

“…Randomized controlled trials (RCTs) suggest that supplementation with omega-3 polyunsaturated fatty acids (n-3PUFAs) may favourably modify cardiometabolic…”
Get full text

In-exercise vascular shear rate during acute continuous and interval exercise: impact on endothelial function and miR-21 by Lyall, Gemma Kate, Davies, Matthew John, Ferguson, Carrie, Porter, Karen E, Birch, Karen M

“…Endothelial cell phenotype and endothelial function are regulated by hemodynamic forces, particularly wall shear stress (WSS). During a single bout of…”
Get full text

Sprint interval and sprint continuous training increases circulating CD34+ cells and cardio-respiratory fitness in young healthy women by Harris, Emma, Rakobowchuk, Mark, Birch, Karen M

“…The improvement of vascular health in the exercising limb can be attained by sprint interval training (SIT). However, the effects on systemic vascular function…”
Get full text

Intraobserver Reliability of Two-Dimensional Ultrasound Derived Strain Imaging in the Assessment of the Left Ventricle, Right Ventricle, and Left Atrium of Healthy Human Hearts by Oxborough, David, George, Keith, Birch, Karen M.

“…Aims: To determine the intraobserver reproducibility of peak and temporal values for myocardial strain (ɛ) and strain rate (SR) using a speckle tracking…”
Get full text

Omega-3 polyunsaturated fatty acid supplementation versus placebo on vascular health, glycaemic control, and metabolic parameters in people with type 1 diabetes: a randomised controlled preliminary trial by O'Mahoney, Lauren L, Dunseath, Gareth, Churm, Rachel, Holmes, Mel, Boesch, Christine, Stavropoulos-Kalinoglou, Antonios, Ajjan, Ramzi A, Birch, Karen M, Orsi, Nicolas M, Mappa, Georgia, Price, Oliver J, Campbell, Matthew D

“…The role of omega-3 polyunsaturated fatty acids (n-3PUFA), and the potential impact of n-3PUFA supplementation, in the treatment and management of type 1…”
Get full text

Prolonged low flow reduces reactive hyperemia and augments low flow mediated constriction in the brachial artery independent of the menstrual cycle by Rakobowchuk, Mark, Parsloe, Emily R, Gibbins, Sarah E, Harris, Emma, Birch, Karen M

“…Non-invasive forearm ischemia-reperfusion injury and low flow induced vascular dysfunction models provide methods to evaluate vascular function. The role of…”
Get full text

Efficacy of interval exercise training to improve vascular health in sedentary postmenopausal females by Lyall, Gemma K., Birk, Gurpreet K., Harris, Emma, Ferguson, Carrie, Riches‐Suman, Kirsten, Kearney, Mark T., Porter, Karen E., Birch, Karen M.

“…Background Menopause represents a turning point where vascular damage begins to outweigh reparative processes, leading to increased cardiovascular disease…”
Get full text

Influence of muscle architecture on the torque and power-velocity characteristics of young and elderly men by Thom, Jeanette M, Morse, Chris I, Birch, Karen M, Narici, Marco V

“…This study investigated the contribution of muscle architecture to the differences in the torque-velocity and power-velocity relationships between older (OM n…”
Get full text

In vivo physiological cross-sectional area and specific force are reduced in the gastrocnemius of elderly men by Morse, Christopher I, Thom, Jeanette M, Reeves, Neil D, Birch, Karen M, Narici, Marco V

“…1 Institute for Biophysical and Clinical Research into Human Movement (IRM), Manchester Metropolitan University, Alsager, Cheshire; and 2 University of Leeds…”
Get full text

Application of the speed-duration relationship to normalize the intensity of high-intensity interval training by Ferguson, Carrie, Wilson, John, Birch, Karen M, Kemi, Ole J

“…The tolerable duration of continuous high-intensity exercise is determined by the hyperbolic Speed-tolerable duration (S-tLIM) relationship. However,…”
Get full text

The intramuscular contribution to the slow oxygen uptake kinetics during exercise in chronic heart failure is related to the severity of the condition by Bowen, T Scott, Cannon, Daniel T, Murgatroyd, Scott R, Birch, Karen M, Witte, Klaus K, Rossiter, Harry B

“…The mechanism for slow pulmonary O(2) uptake (Vo(2)) kinetics in patients with chronic heart failure (CHF) is unclear but may be due to limitations in the…”
Get full text

Muscle strength, volume and activation following 12-month resistance training in 70-year-old males by Morse, Christopher I, Thom, Jeanette M, Mian, Omar S, Muirhead, Andrea, Birch, Karen M, Narici, Marco V

“…In elderly males muscle plantar flexor maximal voluntary contraction (MVC) torque normalised to muscle volume (MVC/VOL) is reduced compared to young males as a…”
Get full text

Blood Orange Juice Consumption Increases Flow-Mediated Dilation in Adults with Overweight and Obesity: A Randomized Controlled Trial by Li, Lu, Lyall, Gemma K, Martinez-Blazquez, J Alberto, Vallejo, Fernando, A Tomas-Barberan, Francisco, Birch, Karen M, Boesch, Christine

“…Epidemiological studies have indicated an inverse association between citrus fruit consumption and cardiovascular disease (CVD) risk. There is, however, a…”
Get more information

Erratum to “Magnetic-resonance-imaging-derived indices for the normalization of left ventricular morphology by body size” [Magn Reson Imaging 27 (2009) 207–213] by George, Keith P, Birch, Karen M, Pennell, Dudley J, Myerson, Saul G

Get full text

Tendon elongation influences the amplitude of interpolated doublets in the assessment of activation in elderly men by Morse, Christopher I, Thom, Jeanette M, Birch, Karen M, Narici, Marco V

“…1 Institute for Biophysical and Clinical Research into Human Movement (IRM), Manchester Metropolitan University, Alsager, Cheshire; and 2 University of Leeds…”
Get full text

Power Reserve at Intolerance in Ramp-Incremental Exercise Is Dependent on Incrementation Rate by DAVIES, MATTHEW J., LYALL, GEMMA K., BENSON, ALAN P., CANNON, DANIEL T., BIRCH, KAREN M., ROSSITER, HARRY B., FERGUSON, CARRIE

“…ABSTRACT Introduction The mechanism(s) of exercise intolerance at V˙O 2max remain poorly understood. In health, standard ramp-incremental (RI) exercise is…”
Get full text

Physical activity promotion interventions in chronic airways disease: a systematic review and meta-analysis by Reilly, Caroline, Sails, Joe, Stavropoulos-Kalinoglou, Antonios, Birch, Rebecca J, McKenna, Jim, Clifton, Ian J, Peckham, Daniel, Birch, Karen M, Price, Oliver J

“…Physical inactivity is common in people with chronic airways disease (pwCAD) and associated with worse clinical outcomes and impaired quality of life. We…”
Get full text

The cardiovascular consequences of fatiguing expiratory muscle work in otherwise resting healthy humans by Hardy, Tim A, Paula-Ribeiro, Marcelle, Silva, Bruno M, Lyall, Gemma K, Birch, Karen M, Ferguson, Carrie, Taylor, Bryan J

“…In 11 healthy adults (25 ± 4 yr; 2 female, 9 male subjects), we investigated the effect of expiratory resistive loaded breathing [65% maximal expiratory mouth…”
Get full text

Short-Axis 2D Strain from Speckle Tracking Predicts Echocardiographic Response to Cardiac Resynchronization Therapy by Artis, Nigel J., Oxborough, David L., Birch, Karen M., Williams, Gordon, Tan, Lip-Bun, Pepper, Christopher B.

“…Aims: Two‐dimensional (2D) strain imaging from speckle tracking is a Doppler independent technique allowing assessment of left ventricular (LV) strain (ɛ);…”
Get full text