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https://www.readbyqxmd.com/read/28820855/resistance-exercise-order-does-not-affect-the-magnitude-and-duration-of-post-exercise-blood-pressure-in-older-women
#1
Crisieli M Tomeleri, João Pedro Nunes, Mariana F Souza, Aline Gerage, Alexandre Marcori, Kessi Cassiane Iarosz, Crivaldo Gomes Cardoso-Júnior, Edilson S Cyrino
The aim of this study was to compare the effects of two resistance exercise order on post-exercise blood pressure (BP) in trained, non-hypertensive older women. Sixteen women (68.3 ± 3.3 years, 63.5 ± 11.6 kg, 157.5 ± 5.1 cm) performed two sessions witheight exercises (3 sets of 8-12 repetitions) in distinct orders (from multi- to single-joint exercises [MS] or from single- to multi-joint exercises [SM]) and a control session, without exercise. Blood pressure and heart rate were obtained pre and post-sessions (60 min)...
August 15, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28817509/high-intensity-exercise-enhances-conduit-artery-vascular-function-in-older-adults
#2
Erika Iwamoto, Josh M Bock, Darren P Casey
PURPOSE: Modulation of vascular function follows an exercise intensity-dependent pattern in young adults. This study aimed to investigate the potential intensity-dependent effects of an acute bout of exercise on conduit and resistance artery function in healthy older adults. METHODS: Eleven healthy older adults (5 males/6 females, 66±1 years) completed 30 minutes of recumbent cycling at 50-55% (low-intensity) and 75-80% (high-intensity) of their age-predicted maximal heart rate on two separate study visits...
August 16, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28816519/the-effects-of-exercise-on-a-choice-reaction-time-task-in-individuals-with-post-concussion-syndrome
#3
Stephanie A Ramautar, Alyssa A Prangley, Michael E Cinelli
PURPOSE: To assess cognitive performance differences pre- and post-exercise in individuals without concussion (non-concussed, NC) and individuals with post-concussion syndrome (PCS). METHODS: A total of 30 participants completed a choice reaction time (CRT) task in the form of an iPad application, measuring each individual's decision-making capabilities, while wearing a head-mounted eye tracker system. Participants completed four blocks of testing; the time interval between the first two blocks of trials and the last two blocks of trials was 10 minutes...
August 17, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28812943/tear-osmolarity-is-sensitive-to-exercise-induced-fluid-loss-but-is-not-associated-with-common-hydration-measures-in-a-field-setting
#4
Justin J Holland, Michelle Ray, Christopher Irwin, Tina L Skinner, Michael Leveritt, Ben Desbrow
This investigation (i) examined changes in tear osmolarity in response to fluid loss that occurs with exercise in a field setting, and (ii) compared tear osmolarity with common field and laboratory hydration measures.  Sixty-three participants [age 27.8 ± 8.4 years, body mass 72.15 ± 10.61 kg] completed a self-paced 10 km run outside on a predetermined course. Body mass, tear fluid, venous blood and urine samples were collected immediately before and after exercise.  Significant (p < 0.001) reductions in body mass (1...
August 16, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28811750/availability-of-a-sports-dietitian-may-lead-to-improved-performance-and-recovery-of-ncaa-division-i-baseball-athletes
#5
Michael V Hull, Jonathan Neddo, Andrew R Jagim, Jonathan M Oliver, Mike Greenwood, Margaret T Jones
BACKGROUND: The purpose was to survey dietary habits (DH) and nutrient timing (NT) practices of baseball student-athletes (mean ± SD; 20.7 ± 1.4 yr.) from three NCAA Division I institutions, and examine the effect of a sports dietitian (SD) in regard to nutrition practices. METHODS: Descriptive statistics and Pearson X(2) analyses were run. Responses on 10 DH and 5 NT items differed (p ≤ 0.10) between athletes who sought dietary planning from a SD (n = 36) versus those who consulted a strength and conditioning coach (SCC, n = 42)...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28806276/circulating-progenitor-cell-response-to-exercise-in-wheelchair-racing-athletes
#6
Grace M Niemiro, Thomas Edwards, J P Barfield, Joseph W Beals, Elizabeth M Broad, Robert W Motl, Nicholas A Burd, Lara A Pilutti, Michael De Lisio
INTRODUCTION: Circulating progenitor cells (CPCs) are a heterogeneous population of stem/progenitor cells in peripheral blood that participate in tissue repair. CPC mobilization has been well characterized in able-bodied persons, but has not been previously investigated in wheelchair racing athletes. The purpose of this study was to characterize CPC and CPC sub-population mobilization in elite wheelchair racing athletes in response to acute, upper-extremity aerobic exercise to determine if CPC responses are similar to ambulatory populations...
August 11, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28790929/combined-interval-training-and-post-exercise-nutrition-in-type-2-diabetes-a-randomized-control-trial
#7
Monique E Francois, Cody Durrer, Kevin J Pistawka, Frank A Halperin, Courtney Chang, Jonathan P Little
Background: High-intensity interval training (HIIT) can improve several aspects of cardiometabolic health. Previous studies have suggested that adaptations to exercise training can be augmented with post-exercise milk or protein consumption, but whether this nutritional strategy can impact the cardiometabolic adaptations to HIIT in type 2 diabetes is unknown. Objective: To determine if the addition of a post-exercise milk or protein beverage to a high-intensity interval training (HIIT) intervention improves cardiometabolic health in individuals with type 2 diabetes...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28782491/the-impact-of-cardiovascular-diseases-on-the-cardiovascular-regulation-during-exercise-in-humans-studies-on-the-metaboreflex-elicited-by-the-post-exercise-muscle-ischemia-method
#8
Antonio Crisafulli
Hemodynamics during dynamic exercise is finely regulated by some neural mechanisms. One of these mechanisms is the metabolic part of the exercise pressor reflex, i.e. the muscle metaboreflex. Hemodynamic response during the metaboreflex is characterised by the recruitment of the reserves in cardiac inotropism, pre-load, after-load and chronotropism. If one of these reserves is exhausted, then the cardiovascular response is achieved by recruiting one of the other reserves, thereby indicating a remarkable plasticity of the control of circulation...
August 4, 2017: Current Cardiology Reviews
https://www.readbyqxmd.com/read/28780603/early-detection-of-exercise-induced-muscle-damage-using-elastography
#9
Lilian Lacourpaille, Antoine Nordez, François Hug, Valentin Doguet, Ricardo Andrade, Gaël Guilhem
PURPOSE: This study aimed to determine whether an increase in muscle shear modulus measured 30 min after eccentric exercise (30 min) reflects the magnitude of force deficit measured 48-h post-exercise (48 H). METHODS: A total of 53 healthy participants were distributed in five groups. Four groups performed either repeated eccentric elbow flexions or knee extensions at either a low or high load. A fifth group performed repeated concentric elbow flexions (control load)...
August 5, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28776271/do-metabolites-that-are-produced-during-resistance-exercise-enhance-muscle-hypertrophy
#10
REVIEW
Scott J Dankel, Kevin T Mattocks, Matthew B Jessee, Samuel L Buckner, J Grant Mouser, Jeremy P Loenneke
Many reviews conclude that metabolites play an important role with respect to muscle hypertrophy during resistance exercise, but their actual physiologic contribution remains unknown. Some have suggested that metabolites may work independently of muscle contraction, while others have suggested that metabolites may play a secondary role in their ability to augment muscle activation via inducing fatigue. Interestingly, the studies used as support for an anabolic role of metabolites use protocols that are not actually designed to test the importance of metabolites independent of muscle contraction...
August 3, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28767482/high-intensity-exercise-induced-oxidative-stress-and-skeletal-muscle-damage-in-post-pubertal-boys-and-girls-a-comparative-study
#11
Sangita Pal, Biswajit Chaki, Sreya Chattopadhyay, Amit Bandyopadhyay
The purpose of this study was to examine the gender variation in high intensity exercise induced oxidative stress and muscle damage among 44 sedentary post-pubertal boys and girls through estimation of post exercise release pattern of muscle damage markers like creatine kinase (CK), lactate dehydrogenase (LDH), alanine aminio transferase (ALT), Aspartate Aminotranferase (AST) and oxidative stress markers like extent of Lipid Peroxidation (TBARS) and Catalase (CAT) activity. Muscle damage markers like CK, LDH, ALT and AST were measured before, immediately after, 24 and 48 hours after high intensity incremental treadmill running...
July 31, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28763620/acute-effects-of-exercise-intensity-on-subsequent-substrate-utilisation-appetite-and-energy-balance-in-men-and-women
#12
Ghalia Shamlan, Paul Bech, M Denise Robertson, Adam L Collins
Exercise is capable of influencing the regulation of energy balance by acutely modulating appetite and energy intake coupled to effects on substrate utilization. Yet, few studies have examined acute effects of exercise intensity on aspects of both energy intake and energy metabolism, independently of energy cost of exercise. Furthermore, little is known as to the gender differences of these effect. One hour after a standardised breakfast, 40 (19 female), healthy participants (BMI 23.6±3.6 kg.m-2, VO2peak 34...
August 1, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28762366/prevalence-and-factors-associated-with-exercise-induced-bronchospasm-among-rural-school-children-in-ilesa-nigeria
#13
Bankole Peter Kuti, Demilade Kehinde Kuti, Kehinde Oluyori Omole, Lasisi Oluwafemi Mohammed, Busayo Gideon Ologun, Bolanle Idowu Oso
BACKGROUND: Exercise-induced bronchospasm (EIB) assessed using changes in peak expiratory flow rates (PEFRs) to free range exercise is a relatively cheap way of screening for asthma in resource-poor centres where children with asthma are often undiagnosed and poorly managed. This study sets out to determine the prevalence and factors associated with EIB among rural schoolchildren in Ilesa, Nigeria. SUBJECTS AND METHODS: Children aged 8-16 years from two middle schools in rural Ilesa were selected by multistage sampling...
April 2017: Nigerian Postgraduate Medical Journal
https://www.readbyqxmd.com/read/28751373/heat-shock-protein-90-contributes-to-cutaneous-vasodilation-through-activating-nitric-oxide-synthase-in-young-male-adults-exercising-in-the-heat
#14
Naoto Fujii, Sarah Yan Zhang, Brendan D McNeely, Takeshi Nishiyasu, Glen P Kenny
While the mechanisms underlying the control of cutaneous vasodilation has been extensively studied, there remains a lack of understanding of the different factors that may modulate cutaneous perfusion during an exercise-induced heat stress. We evaluated the hypothesis that heat shock protein 90 (HSP90) contributes to the heat loss response of cutaneous vasodilation via the activation of nitric oxide synthase (NOS) during exercise in the heat. In eleven young males (25±5 years), cutaneous vascular conductance (CVC) was measured at four forearm skin sites that were continuously treated with 1) Lactated Ringers solution (Control), 2) NOS inhibition with 10 mM L-NAME, 3) HSP90 inhibition with 178 μM Geldanamycin, or 4) a combination of 10 mM L-NAME and 178 μM Geldanamycin...
July 27, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28750520/a-wearable-and-highly-sensitive-graphene-strain-sensor-for-precise-home-based-pulse-wave-monitoring
#15
Tingting Yang, Xin Jiang, Yujia Zhong, Xuanliang Zhao, Shuyuan Lin, Jing Li, Xinming Li, Jianlong Xu, Zhihong Li, Hongwei Zhu
Profuse medical information about cardiovascular properties can be gathered from pulse waveforms. Therefore, it is desirable to design a smart pulse monitoring device to achieve noninvasive and real-time acquisition of cardiovascular parameters. The majority of current pulse sensors are usually bulky or insufficient in sensitivity. In this work, a graphene-based skin-like sensor is explored for pulse wave sensing with features of easy use and wearing comfort. Moreover, the adjustment of the substrate stiffness and interfacial bonding accomplish the optimal balance between sensor linearity and signal sensitivity, as well as measurement of the beat-to-beat radial arterial pulse...
July 28, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28750051/acute-resistance-exercise-modulates-microrna-expression-profiles-combined-tissue-and-circulatory-targeted-analyses
#16
Randall F D'Souza, James F Markworth, Kirsten M M Aasen, Nina Zeng, David Cameron-Smith, Cameron J Mitchell
A subset of short non-coding RNAs, microRNAs (miRs), have been identified in the regulation of skeletal muscle hypertrophy and atrophy. Expressed within cells, miRs are also present in circulation (c-miR) and have a putative role in cross-tissue signalling. The aim of this study was to examine the impact of a single bout of high intensity resistance exercise (RE) on skeletal muscle and circulatory miRs harvested simultaneously. Resistance trained males (n = 9, 24.6 ± 4.9 years) undertook a single bout of high volume RE with venous blood and muscle biopsies collected before, 2 and 4hr post-exercise...
2017: PloS One
https://www.readbyqxmd.com/read/28746572/effect-of-the-exercise-of-walkers-performed-in-public-squares-with-spontaneous-or-prescribed-intensity-on-post-exercise-hypotension
#17
Taís Feitosa da Silva, Alesandra Araújo de Souza, Fabiano Ferreira de Lima, Jennifer Ariely Sales Suassuna, Henrique Eduardo Paiva Lira do Couto, Gustavo Roque Tenório, Maria Irene de Andrade Gomes Silva, Guilherme Leandebal Bonifácio Dias, Alexandre Sérgio Silva
OBJECTIVE: To quantify the intensity adopted by walkers in public squares and check the occurrence and magnitude of post-exercise hypotension in the spontaneously adopted intensity and in a prescribed intensity. METHODS: In 98 volunteers (38 of them being hypertensive), walkers in public squares of the city of João Pessoa, State of Paraíba, Brazil, we have identified the intensity of a usual training monitored by heart rate and we have investigated the occurrence and magnitude of post-exercise hypotension...
July 20, 2017: Revista de Saúde Pública
https://www.readbyqxmd.com/read/28744114/acute-effects-of-power-and-resistance-exercises-on-hemodynamic-measurements-of-older-women
#18
Hélio José Coelho-Júnior, Maria-Cláudia Irigoyen, Samuel da Silva Aguiar, Ivan de Oliveira Gonçalves, Niels Olsen Saraiva Câmara, Marco Antonio Cenedeze, Ricardo Yukio Asano, Bruno Rodrigues, Marco Carlos Uchida
PURPOSE: The purpose of this study was to compare the acute effects of resistance training (RT) and power training (PT) on the hemodynamic parameters and nitric oxide (NO) bioavailability of older women. MATERIALS AND METHODS: A randomized experimental design was used in this study. Twenty-one older women (age: 67.1±4.6 years; body mass index: 28.03±4.9 kg/m(2); systolic blood pressure: 135.1±21.1 mmHg) were recruited to participate in this study. Volunteers were randomly allocated into PT, RT, and control session (CS) groups...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/28744032/effect-of-a-4-week-balance-exercise-with-medio-lateral-unstable-sole-on-ankle-joint-functional-ability
#19
Su-Bin Nam, Bo-Ram Choi
[Purpose] This study examined the effects of 4-week of balance exercise with medio-lateral unstable sole on ankle muscle activation and functional ability. [Subjects and Methods] Thirty university students without current or past ankle injuries were assigned to either an experimental group or control group. The experimental group participated in a balance exercise program 3 times a week over 4 weeks, which consisted of one-leg stands and semi-squat exercises with medio-lateral unstable sole. The control group continued with their regular life activities without participation in the program...
July 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28743582/acute-ethanol-and-taurine-intake-affect-absolute-alpha-power-in-frontal-cortex-before-and-after-exercise
#20
Dailson Paulucio, Bruno M da Costa, Caleb G Santos, Bruna Velasques, Pedro Ribeiro, Mariana Gongora, Mauricio Cagy, Renato L Alvarenga, Fernando A M S Pompeu
Taurine and alcohol has been popularly ingested through energy drinks. Reports from both compounds shows they are active on nervous system but little is known about the acute effect of these substances on the frontal cortex in an exercise approach. The aim of this study was to determine the effects of 0,6mldL(-1) of ethanol (ET), 6g of taurine (TA), and taurine with ethanol (TA+ET) intake on absolute alpha power (AAP) in the frontal region, before and after exercise. Nine participants were recruited, five women (22±3years) and four men (26±5years), for a counterbalanced experimental design...
July 22, 2017: Neuroscience Letters
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