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https://www.readbyqxmd.com/read/29345555/the-preparation-period-in-basketball-training-load-and-neuromuscular-adaptations
#1
Davide Ferioli, Andrea Bosio, Johann C Bilsborough, Antonio La Torre, Michele Tornaghi, Ermanno Rampinini
PURPOSE: To investigate the 1) effect of the preparation period on the neuromuscular characteristics of 12 professional (PRO) and 16 semi-professional (SEMI-PRO) basketball players; 2) relationships between training load indices and changes in neuromuscular physical performance. METHODS: Prior to and following the preparation period, players underwent a counter-movement jump (CMJ) test, followed by a repeated change of direction (COD) test consisting of 4 levels with increasing intensities...
January 18, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29339987/physiological-demands-morphological-characteristics-physical-abilities-and-injuries-of-female-soccer-players
#2
Zoran Milanović, Goran Sporiš, Nic James, Nebojša Trajković, Aleksandar Ignjatović, Hugo Sarmento, Athos Trecroci, Bruno Miguel Borges Mendes
The popularity of female soccer is increasing as well as the number of females playing soccer. Similarly, over the last twenty or so years, research in soccer has increased significantly, but a large disparity exists in the volume of studies involving male and female players. As a consequence of this, female players remain less well understood compared to males. The purpose of the present narrative review was to describe morphological characteristics, physiological demands, physical abilities and injuries in female soccer players...
December 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/29335797/high-intensity-aerobic-interval-training-can-lead-to-improvement-in-skeletal-muscle-power-among-in-hospital-patients-with-advanced-heart-failure
#3
Masanobu Taya, Eisuke Amiya, Masaru Hatano, Hisataka Maki, Daisuke Nitta, Akihito Saito, Masaki Tsuji, Yumiko Hosoya, Shun Minatsuki, Astuko Nakayama, Takayuki Fujiwara, Yuto Konishi, Kazuhiko Yokota, Masafumi Watanabe, Hiroyuki Morita, Nobuhiko Haga, Issei Komuro
This study investigated the effectiveness and safety of interval training during in-hospital treatment of patients with advanced heart failure. Twenty-four consecutive patients with advanced symptomatic heart failure who were referred for cardiac transplant evaluation were recruited. After performing aerobic exercise for approximate intensity, high-intensity interval training (HIIT) was performed. The protocol consisted of 3 or 4 sessions of 1-min high-intensity exercise aimed at 80% of peak VO2 or 80% heart rate reserve, followed by 4-min recovery periods of low intensity...
January 15, 2018: Heart and Vessels
https://www.readbyqxmd.com/read/29311671/home-exercise-training-improves-exercise-capacity-in-cirrhosis-patients-role-of-exercise-adherence
#4
Calvin Kruger, Margaret L McNeely, Robert J Bailey, Milad Yavari, Juan G Abraldes, Michelle Carbonneau, Kim Newnham, Vanessa DenHeyer, Mang Ma, Richard Thompson, Ian Paterson, Mark J Haykowsky, Puneeta Tandon
Cirrhosis patients have reduced peak aerobic power (peak VO2) that is associated with reduced survival. Supervised exercise training increases exercise tolerance. The effect of home-based exercise training (HET) in cirrhosis is unknown. The objective was to evaluate the safety and efficacy of 8 weeks of HET on peak VO2, 6-minute walk distance (6MWD), muscle mass, and quality of life in cirrhosis. Random assignment to 8 weeks of HET (moderate to high intensity cycling exercise, 3 days/week) or usual care. Exercise adherence defined as completing ≥80% training sessions...
January 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29244746/effects-of-beetroot-juice-supplementation-on-a-30-s-high-intensity-inertial-cycle-ergometer-test
#5
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/29239696/compression-garments-and-cerebral-blood-flow-influence-on-cognitive-and-exercise-performance
#6
Brittany A Smale, Joseph M Northey, Disa J Smee, Nathan G Versey, Ben Rattray
This study aimed to describe the effect of compression garments on middle cerebral artery blood flow velocity (MCAv) in relation to cognitive and exercise performance whilst cycling. In a randomised-controlled-cross-over design, 15 well-trained male cyclists were recruited to participate in three identical trials wearing loose fitting shorts (control), low-grade, or medium-grade compression garments. The protocol involved four 8 min increments of cycling at 30%, 50%, 70%, and 85% maximal power output and a 4 km time-trial...
December 14, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/29234504/the-effects-of-low-intensity-blood-flow-restricted-exercise-compared-with-conventional-resistance-training-on-the-clinical-outcomes-of-active-uk-military-personnel-following-a-3-week-in-patient-rehabilitation-programme-protocol-for-a-randomized-controlled-feasibility
#7
Peter Ladlow, Russell J Coppack, Shreshth Dharm-Datta, Dean Conway, Edward Sellon, Stephen D Patterson, Alexander N Bennett
Background: A challenge for rehabilitation practitioners lies in designing optimal exercise programmes that facilitate musculoskeletal (MSK) adaptations whilst simultaneously accommodating biological healing and the safe loading of an injured limb. A growing body of evidence supports the use of resistance training at a reduced load in combination with blood flow restriction (BFR) to enhance hypertrophic and strength responses in skeletal muscle. In-patient rehabilitation has a long tradition in the UK Military, however, the efficacy of low intensity (LI) BFR training has not been tested in this rehabilitation setting...
2017: Pilot and Feasibility Studies
https://www.readbyqxmd.com/read/29222685/prediction-of-outcome-using-pretreatment-18f-fdg-pet-ct-and-mri-radiomics-in-locally-advanced-cervical-cancer-treated-with-chemoradiotherapy
#8
François Lucia, Dimitris Visvikis, Marie-Charlotte Desseroit, Omar Miranda, Jean-Pierre Malhaire, Philippe Robin, Olivier Pradier, Mathieu Hatt, Ulrike Schick
PURPOSE: The aim of this study is to determine if radiomics features from 18fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) and magnetic resonance imaging (MRI) images could contribute to prognoses in cervical cancer. METHODS: One hundred and two patients (69 for training and 33 for testing) with locally advanced cervical cancer (LACC) receiving chemoradiotherapy (CRT) from 08/2010 to 12/2016 were enrolled in this study. 18F-FDG PET/CT and MRI examination [T1, T2, T1C, diffusion-weighted imaging (DWI)] were performed for each patient before CRT...
December 9, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29199186/neural-adaptations-after-short-term-wingate-based-high-intensity-interval-training
#9
A Vera-Ibañez, D Colomer-Poveda, S Romero-Arenas, M Viñuela-García, G Márquez
OBJECTIVES: This study examined the neural adaptations associated with a low-volume Wingate-based High Intensity Interval Training (HIIT). METHODS: Fourteen recreationally trained males were divided into an experimental (HIIT) and a control group to determine whether a short-term (4 weeks) Wingate-based HIIT program could alter the Hoffmann (H-) reflex, volitional (V-) wave and maximum voluntary contraction (MVC) of the plantar-flexor muscles, and the peak power achieved during a Wingate test...
December 1, 2017: Journal of Musculoskeletal & Neuronal Interactions
https://www.readbyqxmd.com/read/29176388/the-effect-of-citrulline-malate-supplementation-on-muscle-fatigue-among-healthy-participants
#10
Tyler M Farney, Matthew V Bliss, Christopher M Hearon, Dassy A Salazar
The focus of the investigation was to examine the effects of citrulline malate on muscular fatigue in healthy, recreationally trained participants. Twelve participants (males = 6; females = 6) (24.1 ± 3.9 yrs) visited the lab on three separate days all separated by one week. Each visit consisted of consuming one of three treatments: placebo (PLA), citrulline malate (8 g) (CM), and control (CON) in which no drink mixture was consumed. For each day of testing, participants consumed assigned treatment and performed one high-intensity exercise trial consisting of squats, lunge jumps, squat jumps, and lateral jumps...
November 22, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29143594/the-gene-smart-study-method-study-design-and-preliminary-findings
#11
REVIEW
Xu Yan, Nir Eynon, Ioannis D Papadimitriou, Jujiao Kuang, Fiona Munson, Oren Tirosh, Lannie O'Keefe, Lyn R Griffiths, Kevin J Ashton, Nuala Byrne, Yannis P Pitsiladis, David J Bishop
The gene SMART (genes and the Skeletal Muscle Adaptive Response to Training) Study aims to identify genetic variants that predict the response to both a single session of High-Intensity Interval Exercise (HIIE) and to four weeks of High-Intensity Interval Training (HIIT). While the training and testing centre is located at Victoria University, Melbourne, three other centres have been launched at Bond University, Queensland University of Technology, Australia, and the University of Brighton, UK. Currently 39 participants have already completed the study and the overall aim is to recruit 200 moderately-trained, healthy Caucasians participants (all males 18-45 y, BMI < 30)...
November 14, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29112625/ischemic-preconditioning-improves-time-trial-performance-at-moderate-altitude
#12
Pénélope Paradis-Deschênes, Denis R Joanisse, François Billaut
PURPOSE: Endurance athletes often compete and train at altitude where exercise capacity is reduced. Investigating acclimation strategies is therefore critical. Ischemic preconditioning (IPC) can improve endurance performance at sea level through improved O2 delivery and utilization, which could also prove beneficial at altitude. However, data are scarce and there is no study at altitudes commonly visited by endurance athletes. METHODS: In a randomized, crossover study, we investigated performance and physiological responses in thirteen male endurance cyclists during four 5-km cycling time trials (TT), preceded by either IPC (3x5-minutes ischemia/5-minutes reperfusion cycles at 220 mmHg) or SHAM (20 mmHg) administered to both thighs, at simulated low (FIO2 0...
November 6, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29108901/keto-adaptation-enhances-exercise-performance-and-body-composition-responses-to-training-in-endurance-athletes
#13
Fionn T McSwiney, Bruce Wardrop, Parker N Hyde, Richard A Lafountain, Jeff S Volek, Lorna Doyle
BACKGROUND: Low-carbohydrate diets have recently grown in popularity among endurance athletes, yet little is known about the long-term (>4 wk) performance implications of consuming a low-carbohydrate high fat ketogenic diet (LCKD) in well-trained athletes. METHODS: Twenty male endurance-trained athletes (age 33 ± 11y, body mass 80 ± 11kg; BMI 24.7 ± 3.1 kg/m2) who habitually consumed a carbohydrate-based diet, self-selected into a high-carbohydrate (HC) group (n = 11, %carbohydrate:protein:fat = 65:14:20), or a LCKD group (n = 9, 6:17:77)...
November 3, 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29099231/effects-of-high-intensity-intermittent-training-on-vascular-function-in-obese-preadolescent-boys
#14
Napasakorn Chuensiri, Daroonwan Suksom, Hirofumi Tanaka
BACKGROUND: High-intensity intermittent training (HIIT) may serve as an effective alternative to traditional endurance training, since HIIT has been shown to induce greater improvements in aerobic fitness and health-related markers in adult populations. Our objective was to determine whether HIIT and supramaximal high-intensity intermittent training (supra-HIIT) would improve vascular structure and function in obese preadolescent boys. METHODS: Before the baseline testing, 48 obese preadolescent boys, aged 8-12 years, were randomly assigned into control (CON; n = 16), HIIT (8 × 2 minutes at 90% peak power output, n = 16), and supra-HIIT (8 × 20 seconds at 170% peak power output, n = 16) groups...
November 3, 2017: Childhood Obesity
https://www.readbyqxmd.com/read/29097231/poor-anaerobic-power-capability-and-static-balance-predicted-prospective-musculoskeletal-injuries-among-soldiers-of-the-101st-airborne-air-assault-division
#15
Takashi Nagai, Mita Lovalekar, Meleesa F Wohleber, Katherine A Perlsweig, Michael D Wirt, Kim Beals
Musculoskeletal injuries have negatively impacted tactical readiness. The identification of prospective and modifiable risk factors of preventable musculoskeletal injuries can guide specific injury prevention strategies for Soldiers and health care providers. OBJECTIVES: To analyze physiological and neuromuscular characteristics as predictors of preventable musculoskeletal injuries. DESIGN: Prospective-cohort study. METHODS: A total of 491 Soldiers were enrolled and participated in the baseline laboratory testing, including body composition, aerobic capacity, anaerobic power/capacity, muscular strength, flexibility, static balance, and landing biomechanics...
October 24, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29076961/six-sessions-of-sprint-interval-training-improves-running-performance-in-trained-athletes
#16
Jerome Koral, Dustin J Oranchuk, Roberto Herrera, Guillaume Y Millet
Sprint interval training (SIT) is gaining popularity with endurance athletes. Various studies have shown that SIT allows similar or greater endurance, strength, and power performance improvements than traditional endurance training, but demands less time and volume. One of the main limitations in SIT research is that most studies were performed in a laboratory using expensive treadmills or ergometers. The aim of this study was to assess the performance effects of a novel short term and highly accessible training protocol based on maximal shuttle runs in the field (SIT-F)...
October 20, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29068603/differences-in-echocardiography-blood-pressure-stroke-volume-maximal-power-and-profile-of-genes-related-to-cardiac-hypertrophy-in-elite-road-cyclists
#17
Grażyna Janikowska, Aleksandra Żebrowska, Aleksandra Kochańska-Dziurowicz, Urszula Mazurek
BACKGROUND: Regular and moderate exercise is beneficial for improving the efficiency of the heart, but high-intensity physical activity may result in cardiac changes. OBJECTIVES: This study focuses on the identification of the differences in echocardiography and blood variables before exercise, as well as the genes associated with cardiac hypertrophy at rest and in response to graded exercise test. MATERIAL AND METHODS: The study group was made up of 28 road cyclists...
September 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29040219/effect-of-2-years-of-endurance-and-high-impact-training-on-preventing-osteoporosis-in-postmenopausal-women-randomized-clinical-trial
#18
Carmen García-Gomáriz, José M Blasco, Cecili Macián-Romero, Elías Guillem-Hernández, Celedonia Igual-Camacho
OBJECTIVE: The aim of the study was to analyze the effects of endurance and high-impact training oriented toward preventing osteoporosis in postmenopausal women with calcium and vitamin D supplementation. METHODS: This study was a randomized clinical trial. Thirty-six postmenopausal women were randomized to the control and experimental groups. Thirty-four women completed the 2-year interventions. The control group training involved walking at an intense pace. The experimental group conducted high-impact training specifically oriented to prevent osteoporosis...
October 16, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28968288/specific-physical-training-in-elite-male-team-handball
#19
Herbert Wagner, Manuel Gierlinger, Nermin Adzamija, Samuel Ajayi, David W Bacharach, Serge P von Duvillard
Wagner, H, Gierlinger, M, Adzamija, N, Ajayi, S, Bacharach, DW, and von Duvillard, SP. Specific physical training in elite male team handball. J Strength Cond Res 31(11): 3083-3093, 2017-Specific physical training in elite team handball is essential for optimal player's performance; however, scientific knowledge is generally based on temporary training studies with subelite athletes. Therefore, the aim of the study was to analyze the effects of specific physical training in an elite male handball team over the entire season...
November 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28964826/randomized-four-arm-dose-response-clinical-trial-to-optimize-resistance-exercise-training-for-older-adults-with-age-related-muscle-atrophy
#20
Michael J Stec, Anna Thalacker-Mercer, David L Mayhew, Neil A Kelly, S Craig Tuggle, Edward K Merritt, Cynthia J Brown, Samuel T Windham, Louis J Dell'Italia, C Scott Bickel, Brandon M Roberts, Kristina M Vaughn, Irina Isakova-Donahue, Gina M Many, Marcas M Bamman
PURPOSE: The myriad consequences of age-related muscle atrophy include reduced muscular strength, power, and mobility; increased risk of falls, disability, and metabolic disease; and compromised immune function. At its root, aging muscle atrophy results from a loss of myofibers and atrophy of the remaining type II myofibers. The purpose of this trial (NCT02442479) was to titrate the dose of resistance training (RT) in older adults in an effort to maximize muscle regrowth and gains in muscle function...
December 1, 2017: Experimental Gerontology
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