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https://www.readbyqxmd.com/read/29452804/inter-observer-reliability-of-preoperative-cardiopulmonary-exercise-test-interpretation-a-cross-sectional-study
#1
T E F Abbott, M Gooneratne, J McNeill, A Lee, D Z H Levett, M P W Grocott, M Swart, N MacDonald
BACKGROUND: Despite the increasing importance of cardiopulmonary exercise testing (CPET) for preoperative risk assessment, the reliability of CPET interpretation is unclear. We aimed to assess inter-observer reliability of preoperative CPET. METHODS: We conducted a prospective, multi-centre, observational study of preoperative CPET interpretation. Participants were professionals with previous experience or training in CPET, assessed by a standardized questionnaire...
March 2018: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29449792/seric-concentrations-of-copper-chromium-manganesum-nickel-and-selenium-in-aerobic-anaerobic-and-mixed-professional-sportsmen
#2
Marcos Maynar, Francisco Llerena, Ignacio Bartolomé, Javier Alves, María-Concepción Robles, Francisco-Javier Grijota, Diego Muñoz
Background: The aim of the present study was to determine changes in serum concentrations of trace elements Cooper (Cu), Chromiun (Cr), Manganesum (Mn), Nickel (Ni) and Selenium (Se) in high-level sportsmen. Methods: Eighty professional athletes of different metabolic modalities, were recruited before the start of their training period. Thirty one sedentary participants of the same geographic area constituted the control group. Cu, Cr, Mn, Ni and Se analysis was performed by Inductively Coupled Plasma Mass Spectrometry (ICP-MS)...
2018: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/29444097/the-effects-of-intensified-training-on-resting-metabolic-rate-rmr-body-composition-and-performance-in-trained-cyclists
#3
Amy L Woods, Anthony J Rice, Laura A Garvican-Lewis, Alice M Wallett, Bronwen Lundy, Margot A Rogers, Marijke Welvaert, Shona Halson, Andrew McKune, Kevin G Thompson
BACKGROUND: Recent research has demonstrated decreases in resting metabolic rate (RMR), body composition and performance following a period of intensified training in elite athletes, however the underlying mechanisms of change remain unclear. Therefore, the aim of the present study was to investigate how an intensified training period, designed to elicit overreaching, affects RMR, body composition, and performance in trained endurance athletes, and to elucidate underlying mechanisms. METHOD: Thirteen (n = 13) trained male cyclists completed a six-week training program consisting of a "Baseline" week (100% of regular training load), a "Build" week (~120% of Baseline load), two "Loading" weeks (~140, 150% of Baseline load, respectively) and two "Recovery" weeks (~80% of Baseline load)...
2018: PloS One
https://www.readbyqxmd.com/read/29401198/an-analysis-of-the-effects-of-sex-and-age-on-upper-and-lower-body-power-for-law-enforcement-agency-recruits-prior-to-academy-training
#4
Robert G Lockie, J Jay Dawes, Robin M Orr, Michael Stierli, Joseph M Dulla, Ashley J Orjalo
Power is an important characteristic for law enforcement officers. Tasks such as carrying or dragging a civilian to safety, jumping or vaulting, and suspect restraint and pursuit, require power to be effective. Certain recruits may be lacking in these qualities even if they have been accepted to a law enforcement agency (LEA). This study investigated upper- and lower-body power in male and female LEA recruits, and recruits of different ages, prior to academy training. Retrospective analysis of recruit data from one LEA was conducted...
February 1, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29394148/effects-of-intermittent-hypoxic-training-performed-at-high-hypoxia-level-on-exercise-performance-in-highly-trained-runners
#5
Anthony M J Sanchez, Fabio Borrani
This study exanimated the effects of intermittent hypoxic training (IHT) conducted at a high level of hypoxia with recovery at ambient air on aerobic/anaerobic capacities at sea level and hematological variations. According to a double-blind randomized design, fifteen highly endurance-trained runners completed a 6-weeks regimented training with 3 sessions per week consisting of intermittent runs (6x work-rest ratio of 5':5') on a treadmill at 80-85% of maximal aerobic speed ([Formula: see text]). Nine athletes (hypoxic group, HG) performed the exercise bouts at FI02 = 10...
February 2, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29385007/alcohol-after-resistance-exercise-does-not-affect-muscle-power-recovery
#6
Danielle E Levitt, Nosakhare O Idemudia, Carianne M Cregar, Anthony A Duplanty, David W Hill, Jakob L Vingren
The purpose of this study was to investigate the effect of alcohol consumed after heavy eccentric resistance exercise on measures of muscle power. After familiarization and an initial eccentric exercise bout to control for the "repeated-bout effect," ten recreationally resistance-trained men completed two identical heavy eccentric squat bouts (4 sets of 10 repetitions at 110% of concentric 1-repetition maximum) one week apart. Each exercise bout was followed by ingestion of a beverage containing either alcohol (1...
January 29, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29385006/wingate-anaerobic-test-reliability-on-the-velotron-with-ice-hockey-players
#7
Ryan F Bringhurst, Dale R Wagner, Sarah Schwartz
This study evaluated the test-retest reliability of the Wingate Anaerobic Test (WAnT) performed on a Velotron electromagnetically-braked cycle ergometer (EE) for power-trained athletes and assessed whether a familiarization trial was necessary to achieve high test-retest reliability. Twenty-one male ice hockey players (age 23.5 ± 4.7 yrs, mass 86.3 ± 16.6 kg, height 180.9 ± 7.4 cm) from a collegiate club team (Club = 10) and a recreational league (Rec = 11) performed three, 30-sec WAnTs within 2 weeks, and with at least 24 hours between visits...
January 29, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29378227/the-effect-of-acute-and-chronic-exercise-on-steroid-hormone-fluctuations-in-young-and-middle-aged-men
#8
Maha Sellami, Wissem Dhahbi, Lawrence D Hayes, Goran Kuvacic, Mirjana Milic, Johnny Padulo
The current study examine the effects of combined sprint and resistance training on serum total testosterone (TT), sex-hormone-binding globulin (SHBG) and cortisol (C), at rest, and in response to the Wingate Anaerobic-Test (WAnT) in 21 and 41years old men. Forty moderately-trained men were randomly assigned to a young trained (YT), young control (YC), middle-aged trained (MAT), and middle-aged control (MAC) group. Before (P1), and after (P2) training, blood samples were collected at rest and after exercise...
January 25, 2018: Steroids
https://www.readbyqxmd.com/read/29374581/self-confidence-and-affect-responses-to-short-term-sprint-interval-training
#9
Walid Selmi, Haithem Rebai, Mokhtar Chtara, Abdelmajid Naceur, Sonia Sahli
The study aimed to investigate the effects of repeated sprint (RS) training on somatic anxiety (SA), cognitive anxiety (CA), self-confidence (SC), rating of perceived exertion (RPE) and repeated sprint ability (RSA) indicators in elite young soccer players. Thirty elite soccer players in the first football league (age: 17.8±0.9years) volunteered to participate in this study. They were randomly assigned to one of two groups: a repeated sprint training group (RST-G; n=15) and a control group (CON-G; n=15). RST-G participated in 6weeks of intensive training based on RS (6×(20+20m) runs, with 20s passive recovery interval between sprints, 3 times/week)...
January 25, 2018: Physiology & Behavior
https://www.readbyqxmd.com/read/29369956/comparison-of-exercise-performance-in-recreationally-active-and-masters-athlete-women
#10
Matthew S Stone, Jordan M Glenn, Jennifer L Vincenzo, Michelle Gray
Stone, MS, Glenn, JM, Vincenzo, JL, and Gray, M. Comparison of exercise performance in recreationally active and masters athlete women. J Strength Cond Res 32(2): 565-571, 2018-Master athletes (MA) are an understudied, ever-growing cohort. As such, it is important to examine how age affects muscular power and fatigability. Of particular interest is muscular power maintenance and fatigue mitigation of MA compared with young, healthy adults. The purpose of this investigation was to examine the differences in peak power, average power, total work (WRK), and fatigue index (FI) between recreationally active (RA) younger adults and female MA during anaerobic cycling exercise...
February 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29340005/comparison-of-aerobic-performance-testing-protocols-in-elite-male-wheelchair-basketball-players
#11
Bartosz Molik, Andrzej Kosmol, Natalia Morgulec-Adamowicz, Judit Lencse-Mucha, Anna Mróz, Karol Gryko, Jolanta Marszałek
In wheelchair sports, aerobic performance is commonly assessed with the use of an arm crank ergometer (ACE), a wheelchair ergometer (WCE) or a wheelchair treadmill (WCT). There are different protocols to identify peak oxygen uptake in wheelchair sports; however, only a few protocols have been applied to evaluate these conditions in wheelchair basketball players. The purpose of this study was to compare physiological responses during maximal exercise testing with the use of ACE and WCT in wheelchair basketball players...
December 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/29332919/high-intensity-interval-training-for-severe-left-ventricular-dysfunction-treated-with-left-ventricular-assist-device
#12
Yusuke Ugata, Hiroshi Wada, Kenichi Sakakura, Tatsuro Ibe, Miyuki Ito, Nahoko Ikeda, Hideo Fujita, Shin-Ichi Momomura
Aerobic training based on anaerobic threshold (AT) is well-known to improve cardiac function, exercise capacity, and long-term outcomes of patients with heart failure. Recent reports suggested that high-intensity interval training (HIIT) for patients with cardiovascular disease may improve cardiopulmonary exercise capacity. We present a 61-year-old male patient of severe left ventricular dysfunction with left ventricular assisted device (LVAD). Following HIIT for 8 weeks, exercise capacity and muscle strength have improved without worsening left ventricular function...
January 15, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29325367/-effects-of-aerobic-exercise-combined-with-resistance-training-on-the-cardiorespiratory-fitness-and-exercise-capacity-of-patients-with-stable-coronary-artery-disease
#13
S X Liu, Y Y Chen, K L Xie, W L Zhang
Objective: To observe the effects of aerobic exercise combined with resistance training on the cardiorespiratory fitness and exercise capacity of patients with stable coronary artery disease (CAD) . Methods: From June 2014 to December 2015, 73 patients with stable CAD in our department were recruited and randomly assigned to two groups: the control group (n=38) and the exercise group (n=35) . Patients in both groups received conventional medical treatment for CAD and related cardiac health education. While for patients in exercise group, a twelve-week aerobic exercise combined with resistance training program were applied on top of conventional treatment and health education...
December 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/29318987/determination-of-trichomonas-vaginalis-genotypes-using-pcr-restriction-fragment-length-polymorphism-rflp
#14
Serpil Demirağ, Erdoğan Malatyalı, Sema Ertuğ, Hatice Ertabaklar
OBJECTIVE: Trichomonas vaginalis is an anaerobic protozoon and the most common non-viral sexually transmitted pathogen. The present study was designed to determine the genotypes of T. vaginalis using polymerase chain reaction (PCR)-restriction fragment length polymorphism of actin gene. METHODS: A total of 20 isolates from symptomatic females isolated and cryopreserved at Adnan Menderes University, Research and Training Hospital Parasitology Laboratory were included...
December 2017: Türkiye Parazitolojii Dergisi
https://www.readbyqxmd.com/read/29308849/postactivation-potentiation-effect-of-overloaded-cycling-on-subsequent-cycling-wingate-performance
#15
Kenji Doma, Anthony S Leicht, Moritz Schumann, Akinori Nagata, Kazuma Senzaki, Carl E Woods
BACKGROUND: This study examined the postactivation potentiation effects of overloaded cycling on subsequent Wingate performance. METHODS: Twenty anaerobic-trained men took part in this study. The participants were randomly allocated to complete three testing sessions separated by 7 days. Each week, participants either undertook a control session (CON) consisting of a sub-maximal cycling warm-up protocol followed by a Wingate test, or separate sessions involving an overloaded 10-second cycling PAP protocol followed by a Wingate test at 5 (T5) or 10 (T10) minutes, post-PAP protocol...
January 4, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29280079/photobiomodulation-increases-mitochondrial-citrate-synthase-activity-in-rats-submitted-to-aerobic-training
#16
Wouber Hérickson de Brito Vieira, Cleber Ferraresi, Maria Luiza Barcellos Schwantes, Sérgio Eduardo de Andrade Perez, Vilmar Baldissera, Mikhail Santos Cerqueira, Nivaldo Antonio Parizotto
This study investigated the effects of photobiomodulation by low-laser laser therapy (LLLT) on the activities of citrate synthase (CS) and lactate dehydrogenase (LDH) and the anaerobic threshold (AT) in rats submitted to treadmill exercise. Fifty-four rats were allocated into four groups: rest control (RCG), rest laser (RLG), exercise control (ECG), and exercise laser (ELG). The infrared LLLT was applied daily on the quadriceps, gluteus maximum, soleus, and tibialis anterior muscles. Muscle samples (soleus, tibialis anterior, and cardiac muscles) were removed 48 h after the last exercise session for spectrophotometric analysis of the CS and LDH...
December 26, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29249083/effects-of-strength-training-on-the-physiological-determinants-of-middle-and-long-distance-running-performance-a-systematic-review
#17
REVIEW
Richard C Blagrove, Glyn Howatson, Philip R Hayes
BACKGROUND: Middle- and long-distance running performance is constrained by several important aerobic and anaerobic parameters. The efficacy of strength training (ST) for distance runners has received considerable attention in the literature. However, to date, the results of these studies have not been fully synthesized in a review on the topic. OBJECTIVES: This systematic review aimed to provide a comprehensive critical commentary on the current literature that has examined the effects of ST modalities on the physiological determinants and performance of middle- and long-distance runners, and offer recommendations for best practice...
December 16, 2017: Sports Medicine
https://www.readbyqxmd.com/read/29244746/effects-of-beetroot-juice-supplementation-on-a-30-s-high-intensity-inertial-cycle-ergometer-test
#18
Raul Domínguez, Manuel Vicente Garnacho-Castaño, Eduardo Cuenca, Pablo García-Fernández, Arturo Muñoz-González, Fernando de Jesús, María Del Carmen Lozano-Estevan, Sandro Fernandes da Silva, Pablo Veiga-Herreros, José Luis Maté-Muñoz
Background: Beetroot juice (BJ) is rich in inorganic nitrates and has proved effective at increasing blood nitric oxide (NO) levels. When used as a supplement BJ has shown an ergogenic effect on cardiorespiratory resistance exercise modalities, yet few studies have examined its impact on high intensity efforts. Objective: To assess the effects of BJ intake on anaerobic performance in a Wingate test. Methods: Fifteen trained men (age 21.46 ± 1.72 years, height 1.78 ± 0.07 cm and weight 76.90 ± 8.67 kg) undertook a 30-s maximum intensity test on an inertial cycle ergometer after drinking 70 mL of BJ (5...
December 15, 2017: Nutrients
https://www.readbyqxmd.com/read/29242309/physiological-differences-between-a-noncontinuous-and-a-continuous-endurance-training-protocol-in-recreational-runners-and-metabolic-demand-prediction
#19
Muhammad J Ali, Balasekaran Govindasamay, Hoon Kay Hiang, Gerald Seet Gim Lee
This study investigated the physiological difference in recreational runners between a noncontinuous and a continuous endurance training protocol. It also aimed to determine physiological surrogate that could monitor metabolic demand of prolonged running in real-time. For data collection, a total of 18 active male recreational runners were recruited. Physiological (HR, RR, RER, ṼO2, BLa), and overall perceptual (RPEO) responses were recorded against three designed test sessions. Session 1 included ṼO2submax test to determine critical speed (CS) at anaerobic threshold (AT)...
December 2017: Physiological Reports
https://www.readbyqxmd.com/read/29239986/practical-model-of-low-volume-paddling-based-sprint-interval-training-improves-aerobic-and-anaerobic-performances-in-professional-female-canoe-polo-athletes
#20
Mohsen Sheykhlouvand, Erfan Khalili, Mohammadali Gharaat, Hamid Arazi, Mousa Khalafi, Bahman Tarverdizadeh
Brief, intense exercise training employing running and cycling as exercise interventions may induce aerobic and anaerobic adaptations in athletes from wide range of sports. However, this has not been studied extensively for those sports in which the upper-body is predominantly involved. Our purpose was to examine the effects of kayak paddling-based sprint interval training (SIT) on cardiorespiratory fitness and anaerobic performance. 16 professional female canoe polo athletes (age = 27.6 ± 1.9 years; height = 165...
December 11, 2017: Journal of Strength and Conditioning Research
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