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https://www.readbyqxmd.com/read/29311763/the-acute-effects-of-a-multi-ingredient-pre-workout-supplement-on-resting-energy-expenditure-and-exercise-performance-in-recreationally-active-females
#1
Michael Cameron, Clayton L Camic, Scott Doberstein, Jacob L Erickson, Andrew R Jagim
Background: The use of dietary supplements to improve performance is becoming increasingly popular among athletes and fitness enthusiasts. Unfortunately, there is a tremendous lack of research being done regarding female athletes and the use of sport supplements. The purpose of this study was to examine the acute effects of multi-ingredient pre-workout supplement (MIPS) ingestion on resting metabolism and exercise performance in recreationally-active females. Methods: Fifteen recreationally-active females participated in a randomized, double-blind, placebo controlled study...
2018: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/29309387/positive-pressure-ventilation-improves-exercise-performance-and-attenuates-the-fall-of-post-exercise-inspiratory-muscular-strength-in-rower-s-athletes
#2
Thiago R Gonçalves, Pedro Paulo da S Soares
Positive pressure ventilation (PPV) can increase exercise performance in cyclists, but its effects are unclear in other exercise modes, especially those using large muscle mass. The aim of the present study was to compare the exercise performance and post-exercise inspiratory muscles' strength with and without PPV (NO-PPV) during rowing. Nine male rowers (19 ± 1 years) participated in three experimental days (M1, M2, and M3) separated by one week. In M1, rowers performed a 2,000 m test (2k) on a rowing ergometer to obtain average power (W2k)...
January 3, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29276483/control-group-paradigms-in-studies-investigating-acute-effects-of-exercise-on-cognitive-performance-an-experiment-on-expectation-driven-placebo-effects
#3
Max Oberste, Philipp Hartig, Wilhelm Bloch, Benjamin Elsner, Hans-Georg Predel, Bernhard Ernst, Philipp Zimmer
Introduction: Many studies report improvements in cognitive performance following acute endurance exercise compared to control group treatment. These cognitive benefits are interpreted as a result of a physiological response to exercise. However, it was also hypothesized that expectation-driven placebo effects account for these positive effects. The purpose of this study was to investigate the differences between expectations for cognitive benefits toward acute endurance exercise and multiple control group treatments...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29261625/increased-methylene-diphosphonate-uptake-in-the-rectus-abdominis-after-strenuous-exercise
#4
Dan Zhou, Feng Yuan, Xianfeng Peng, Haomiao Lan, Fuqiang Shao
A 28-year-old man with papillary thyroid cancer underwent bone scintigraphy to assess possible osseous metastasis. He had vigorous workouts 5 days prior, which involved pectorals, rectus abdominis, quadriceps, and glutei. However, the images only showed increased activity in the rectus abdominis, whereas other involved muscles had no obvious uptake. No lesion in the bone was identified.
February 2018: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29209154/effects-of-two-pre-workout-supplements-on-concentric-and-eccentric-force-production-during-lower-body-resistance-exercise-in-males-and-females-a-counterbalanced-double-blind-placebo-controlled-trial
#5
Grant M Tinsley, Matthew A Hamm, Amy K Hurtado, Austin G Cross, Jose G Pineda, Austin Y Martin, Victor A Uribe, Ty B Palmer
Background: Pre-workout supplements purportedly enhance feelings of energy, reduce fatigue and improve exercise performance. The purpose of this study was to examine the performance effects of caffeinated and non-caffeinated multi-ingredient pre-workout supplements. Methods: In a counterbalanced, double-blind, placebo-controlled design, eccentric and concentric force production during lower body resistance exercise on a mechanized squat device were assessed after supplement ingestion...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/29200958/introductory-dialogue-and-the-k%C3%A3-hler-effect-in-software-generated-workout-partners
#6
Stephen Samendinger, Samuel T Forlenza, Brian Winn, Emery J Max, Norbert L Kerr, Karin A Pfeiffer, Deborah L Feltz
Objectives: This study explored the Köhler motivation gain effect utilizing adults and software-generated partners (SGPs) during an abdominal exercise regimen and compared the type of participant-SGP introductory dialogue as a moderator. The Köhler effect applies interdependent team dynamics in which group performance is dependent upon the weaker member. The third objective was to examine if this motivation paradigm would result in adverse consequences to secondary variables: exertion, enjoyment, and self-efficacy beliefs...
September 2017: Psychology of Sport and Exercise
https://www.readbyqxmd.com/read/29199785/acute-effect-of-moderate-intensity-concentric-and-eccentric-exercise-on-cardiac-effort-perceived-exertion-and-interleukin-6-level-in-physically-inactive-males
#7
Mayank Agarwal, Shraddha Singh, Priyanka Sharma, Rahul Saini
BACKGROUND: Muscle-derived interleukin-6 (IL-6) not only enhances glucose and fat metabolism but also has an anti-inflammatory effect that can prevent the development of cardiovascular disease (CVD) and metabolic syndrome. Dynamic resistance exercise comprises a muscle shortening and a lengthening phase known as concentric and eccentric contraction respectively. We compared an acute bout of concentric exercise (CE) with eccentric exercise (EE) for the serum IL-6 concentration, myocardial oxygen consumption (MVO2) and rating of perceived exertion (RPE)...
December 1, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29189338/impact-of-crossfit-related-spinal-injuries
#8
Benjamin S Hopkins, Michael B Cloney, Kartik Kesavabhotla, Jonathon Yamaguchi, Zachary A Smith, Tyler R Koski, Wellington K Hsu, Nader S Dahdaleh
INTRODUCTION: Exercise-related injuries (ERIs) are a common cause of nonfatal emergency department and hospital visits. CrossFit is a high-intensity workout regimen whose popularity has grown rapidly. However, ERIs due to CrossFit remained under investigated. METHODS: All patients who presented to the main hospital at a major academic center complaining of an injury sustained performing CrossFit between June 2010 and June 2016 were identified. Injuries were classified by anatomical location (eg, knee, spine)...
November 16, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29173892/pilates-workouts-can-reduce-pain-in-pregnant-women
#9
Ika Oktaviani
OBJECTIVE: This study aims to evaluate the effects of Pilates exercises for a decreasing pain in pregnant women. METHODS: A total of 40 pregnant women were divided into two groups, a control group (followed a standard pregnancy exercise regimen) and a Pilates group (completed a Pilates exercise regimen). A pain assessment was carried out after exercise, using a visual analog scale. The Pilates group workout program lasted 70-80 min per day, once a week, for 8 weeks...
November 16, 2017: Complementary Therapies in Clinical Practice
https://www.readbyqxmd.com/read/29170697/effects-of-flexibility-and-balance-on-driving-distance-and-club-head-speed-in-collegiate-golfers
#10
Kelsey J Marshall, Tamra L Llewellyn
Good balance, flexibility, and strength are all required to maintain a steady stance during the kinematic chain to produce successful golf shots. When the body can produce more power, more club head speed is generated. This formation of power translates into greater distance and accuracy. Athletes today are seeking exercise programs to enhance these qualities of their golf swing. The purpose of this study is to investigate the correlations between flexibility and balance with club head speed and driving distance in the golf swing of male and female collegiate golfers...
2017: International Journal of Exercise Science
https://www.readbyqxmd.com/read/29169074/flow-stagnation-volume-and-abdominal-aortic-aneurysm-growth-insights-from-patient-specific-computational-flow-dynamics-of-lagrangian-coherent-structures
#11
Florian Joly, Gilles Soulez, Damien Garcia, Simon Lessard, Claude Kauffmann
Abdominal aortic aneurysms (AAA) are localized, commonly-occurring dilations of the aorta. When equilibrium between blood pressure (loading) and wall mechanical resistance is lost, rupture ensues, and patient death follows, if not treated immediately. Experimental and numerical analyses of flow patterns in arteries show direct correlations between wall shear stress and wall mechano-adaptation with the development of zones prone to thrombus formation. For further insights into AAA flow topology/growth interaction, a workout of patient-specific computational flow dynamics (CFD) is proposed to compute finite-time Lyapunov exponents and extract Lagrangian-coherent structures (LCS)...
November 6, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/29131739/yoga-as-sanctuary-a-valuable-mind-body-intervention-for-the-lesbian-community
#12
Karen Myers
Poetic autoethnography provides a research methodology to explore yoga as a mind-body intervention that creates sanctuary. Using this qualitative method and retrieving data from my personal journals, daily workout journals, experiences as a lesbian-identified participant in yoga classes, and yoga instructor, I turn the research lens on myself in order to examine my sociological life story. At a critical time in my life when I was struggling with the fragmentation, anxiety, and despair resulting from dealing with homophobia in a heteronormative world, yoga provided sanctuary for me...
November 2017: International Journal of Yoga Therapy
https://www.readbyqxmd.com/read/29104712/design-and-real-world-evaluation-of-eyes-free-yoga-an-exergame-for-blind-and-low-vision-exercise
#13
Kyle Rector, Roger Vilardaga, Leo Lansky, Kellie Lu, Cynthia L Bennett, Richard E Ladner, Julie A Kientz
People who are blind or low vision may have a harder time participating in exercise due to inaccessibility or lack of encouragement. To address this, we developed Eyes-Free Yoga using the Microsoft Kinect that acts as a yoga instructor and has personalized auditory feedback based on skeletal tracking. We conducted two different studies on two different versions of Eyes-Free Yoga: (1) a controlled study with 16 people who are blind or low vision to evaluate the feasibility of a proof-of-concept and (2) an 8-week in-home deployment study with 4 people who are blind or low vision, with a fully functioning exergame containing four full workouts and motivational techniques...
April 2017: ACM Transactions on Accessible Computing
https://www.readbyqxmd.com/read/29089294/online-influence-and-sentiment-of-fitness-tweets-analysis-of-two-million-fitness-tweets
#14
Theodore Vickey, John G Breslin
BACKGROUND: Publicly available fitness tweets may provide useful and in-depth insights into the real-time sentiment of a person's physical activity and provide motivation to others through online influence. OBJECTIVE: The goal of this experimental approach using the fitness Twitter dataset is two-fold: (1) to determine if there is a correlation between the type of activity tweet (either workout or workout+, which contains the same information as a workout tweet but has additional user-generated information), gender, and one's online influence as measured by Klout Score and (2) to examine the sentiment of the activity-coded fitness tweets by looking at real-time shared thoughts via Twitter regarding their experiences with physical activity and the associated mobile fitness app...
October 31, 2017: JMIR Public Health and Surveillance
https://www.readbyqxmd.com/read/29073365/energy-expenditure-during-an-exercise-training-session-for-cardiac-patients
#15
Helena Santa-Clara, Xavier Melo, Romina Willi, Rita Pinto, Vanessa Santos, José P Almeida, Rodrigo Martins, Ron Clijsen, Miguel Mendes, Bo Fernhall
Background Increasing energy expenditure (EE) in cardiac patients remains a challenge. Exercise approaches in cardiac rehabilitation/secondary prevention programs (CR/SP) have consistently resulted in minimal weight loss, due in part to the low exercise-related EE. Purpose To measure the EE among patients participating in a routine exercise session of Phase III maintenance CR/SP where a recreational activity was introduced. Methods Twelve overweight/obese male patients with coronary artery disease (62.6 ± 8...
October 26, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29069246/hypercalcemia-in-children-three-cases-report-with-unusual-clinical-presentations
#16
Bruna Barros Garbim, Larissa D Ávila, Sumara Zuanazi Pinto Rigatto, Kélcia Rosana da Silva Quadros, Vera Maria Santoro Belangero, Rodrigo Bueno de Oliveira
Hypercalcemia is a rare condition in childhood; the most common causes are primary hyperparathyroidism, malignancy, prolonged immobilisation, thyrotoxicosis, thiazide diuretic, supplements containing calcium, milk-alkali syndrome, vitamin D intoxication, infections and idiopathic. We present three cases of severe hypercalcemia of unusual causes in children. The first patient had high fever, poor general condition, weight loss and myalgia. Extensive preliminary investigation did not define the etiology, but a review of medical history revealed prolonged contact with pet bird and a positive serology for Chlamydia confirmed the diagnosis of psittacosis...
April 2017: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/29066435/stronglifts-5%C3%A3-5-workout-mobile-app-user-guide
#17
Nash Anderson, Saara Stevenson, Jenni Brozena
No abstract text is available yet for this article.
October 24, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29065077/optimizing-half-squat-postactivation-potential-load-in-squat-jump-training-for-eliciting-relative-maximal-power-in-ski-jumpers
#18
Artur Gołaś, Michal Wilk, Petr Stastny, Adam Maszczyk, Katarzyna Pajerska, Adam Zając
Gołaś, A, Wilk, M, Stastny, P, Maszczyk, A, Pajerska, K, and Zając, A. Optimizing half squat postactivation potential load in squat jump training for eliciting relative maximal power in ski jumpers. J Strength Cond Res 31(11): 3010-3017, 2017-Training load manipulation in a single workout session can increase or decrease training effectiveness in terms of athletes' strength or power gains. In ski jumping, the complex training that elicits maximal power gains may take advantage of the postactivation potentiation (PAP) mechanism...
November 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29057836/citrulline-malate-does-not-improve-muscle-recovery-after-resistance-exercise-in-untrained-young-adult-men
#19
Douglas K da Silva, Jeferson L Jacinto, Walquiria B de Andrade, Mirela C Roveratti, José M Estoche, Mario C W Balvedi, Douglas B de Oliveira, Rubens A da Silva, Andreo F Aguiar
The effects of citrulline malate (CM) on muscle recovery from resistance exercise remains unknown. We aimed to determine if citrulline malate supplementation improves muscle recovery after a single session of high-intensity resistance exercise (RE) in untrained young adult men. Nine young adult men (24.0 ± 3.3 years) participated in a double-blind crossover study in which they received 6 g of CM and placebo (PL) on two occasions, separated by a seven-day washout period. Each occasion consisted of a single session of high-intensity RE (0 h) and three subsequent fatigue tests sessions (at 24, 48, and 72 h) to assess the time course of muscle recovery...
October 18, 2017: Nutrients
https://www.readbyqxmd.com/read/29037642/rebound-boots-change-lower-limb-muscle-activation-and-kinematics-during-different-fitness-exercises
#20
Mateus Rossato, Rodolfo André Dellagrana, Juliane Cristine Lopes Dos Santos, Felipe P Carpes, Rodrigo Ghedini Gheller, De Angelys de Ceselles Seixas da Silva, Ewertton de Souza Bezerra, João Otacílio Libardoni Dos Santos
The purpose of this study was to evaluate electromyography and kinematic parameters of the lower limbs using rebound boots (RB) and barefoot during a gym workout. This information can be helpful to practitioners to schedule rehabilitation and training programs. Ten women (25 ± 9 years) volunteered for the study; inclusion criteria were as follows: subjects must have experienced the use of RB and the analyzed exercises for at least 6 months, and have no previous injuries in the lower limbs. Seven exercises were performed for 30 s with the RB and subsequently barefoot...
October 2017: Journal of Bodywork and Movement Therapies
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