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https://www.readbyqxmd.com/read/27923448/fit-with-good-fat-the-role-of-n-3-polyunsaturated-fatty-acids-on-exercise-performance
#1
REVIEW
Mariasole Da Boit, Angus M Hunter, Stuart R Gray
N-3 PUFA (n-3) polyunsaturated fatty acids (PUFA) are a family of fatty acids mainly found in oily fish and fish oil supplements. The effects of n-3 PUFA on health are mainly derived from its anti-inflammatory proprieties and its influence on immune function. Lately an increased interest in n-3 PUFA supplementation has reached the world of sport nutrition, where the majority of athletes rely on nutrition strategies to improve their training and performance. A vast amount of attention is paid in increasing metabolic capacity, delaying the onset of fatigue, and improving muscle hypertrophy and neuromuscular function...
January 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/27918652/does-short-duration-heat-exposure-at-a-matched-cardiovascular-intensity-improve-intermittent-running-performance-in-a-cool-environment
#2
Calvin P Philp, Martin Buchheit, Cecilia M Kitic, Christopher T Minson, James W Fell
PURPOSE: To investigate whether a five-day cycling training block in the heat (35°C) in Australian rules footballers was superior to exercising at the same relative intensity in cool conditions (15°C) for improving intermittent running performance in a cool environment (<18°C). METHODS: Using a parallel-group design, 12 semi-professional football players performed five days of cycling exercise [70% heart rate reserve (HRR) for 45 min (5 x 50 min sessions in total)] in a hot (HEAT, 35±1°C, 56±9% RH) or cool environment (COOL, 15±3°C, 81±10% RH)...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27915583/the-six-minute-walk-test-predicts-cardiorespiratory-fitness-in-individuals-with-aneurysmal-subarachnoid-hemorrhage
#3
Wouter J Harmsen, Gerard M Ribbers, Jorrit Slaman, Majanka H Heijenbrok-Kal, Ladbon Khajeh, Fop van Kooten, Sebastiaan J C M M Neggers, Rita J van den Berg-Emons
BACKGROUND: Peak oxygen uptake (VO2peak) established during progressive cardiopulmonary exercise testing (CPET) is the "gold-standard" for cardiorespiratory fitness. However, CPET measurements may be limited in patients with aneurysmal subarachnoid hemorrhage (a-SAH) by disease-related complaints, such as cardiovascular health-risks or anxiety. Furthermore, CPET with gas-exchange analyses require specialized knowledge and infrastructure with limited availability in most rehabilitation facilities...
December 5, 2016: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/27914305/effectiveness-of-a-cross-circuit-exercise-training-program-in-improving-the-fitness-of-overweight-or-obese-adolescents-with-intellectual-disability-enrolled-in-special-education-schools
#4
Wen-Lan Wu, Yu-Fen Yang, I-Hua Chu, Hsiu-Tao Hsu, Feng-Hua Tsai, Jing-Min Liang
This study assessed the effects of a cross-circuit training intervention program on the body composition, cardiorespiratory fitness, balance, and muscular strength endurance of overweight or obese students with intellectual disability. A total of 43 students with intellectual disability (aged 13-19 years) were enrolled in this program; 28 overweight/obese students were assigned to either an obesity-control group (n=14) or obesity-exercise group (n=14), and those with normal weight were assigned to a normal weight group (n=15)...
November 30, 2016: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/27912156/health-benefits-of-aerobic-training-programs-in-adults-aged-70-and-over-a-systematic-review
#5
REVIEW
Walid Bouaziz, Thomas Vogel, Elise Schmitt, Georges Kaltenbach, Bernard Geny, Pierre Olivier Lang
Aging is intrinsically associated with a progressive decline in muscle strength and mass, and aerobic capacity. This contributes to reduced mobility and impaired quality of life (QoL) among seniors. Regular physical activity, and more particularly aerobic training (AT), has demonstrated benefits on adults' health. The aim of this review was to assess the current level of evidence regarding the health benefits of AT in the population aged 70 years and over. A comprehensive, systematic database search for manuscripts was performed...
October 31, 2016: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/27901338/determinant-factors-of-peak-treadmill-speed-in-physically-active-men
#6
Leonardo Alves Pasqua, Mayara V Damasceno, Salomão Bueno, Alessandro M Zagatto, Gustavo G DE Araújo, Adriano E Lima-Silva, Rômulo Bertuzzi
BACKGROUND: The aim of the present study was to determine whether physiological factors and maximal dynamic strength are able to determine the peak treadmill speed (PTS) in physically active individuals. METHODS: One hundred and fifty physically active healthy males voluntarily visit the laboratory on three separate occasions and underwent the following activities: first visit: IPAQ (short version), anthropometric measurements, and a maximal incremental test performed for physiological variables (maximal oxygen uptake ( ) and respiratory compensation point (RCP); second visit: constant speed test for running economy (RE) measurement, and familiarization with the maximum dynamic strength (1RM) test in the leg press exercise; third visit: 1RM test...
November 30, 2016: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27900177/high-intensity-interval-training-to-improve-fitness-in-children-with-cerebral-palsy
#7
Reidun Lauglo, Torstein Vik, Torarin Lamvik, Dorthe Stensvold, Ane-Kristine Finbråten, Trine Moholdt
AIM: To evaluate effects of high-intensity interval training (HIT) on aerobic exercise capacity, quality of life, and body composition in children with cerebral palsy (CP). METHODS: This was a baseline control trial. Children with CP, Gross Motor Function Classification System (GMFCS) levels I-IV, and age 10-17 years were included. The primary outcome, peak, and submaximum oxygen uptake (VO2peak, VO2submax) were measured at enrolment to the study (T0), after a pretraining period (T1), and after HIT (T2)...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27900176/systematic-review-of-physical-activity-and-exercise-interventions-to-improve-health-fitness-and-well-being-of-children-and-young-people-who-use-wheelchairs
#8
Thomas D O'Brien, Jane Noyes, Llinos Haf Spencer, Hans-Peter Kubis, Richard P Hastings, Rhiannon Whitaker
AIM: To perform a systematic review establishing the current evidence base for physical activity and exercise interventions that promote health, fitness and well-being, rather than specific functional improvements, for children who use wheelchairs. DESIGN: A systematic review using a mixed methods design. DATA SOURCES: A wide range of databases, including Web of Science, PubMed, BMJ Best Practice, NHS EED, CINAHL, AMED, NICAN, PsychINFO, were searched for quantitative, qualitative and health economics evidence...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27900158/injury-prevention-exercise-programmes-in-professional-youth-soccer-understanding-the-perceptions-of-programme-deliverers
#9
James O'Brien, Caroline F Finch
BACKGROUND: There are well-known challenges to implementing injury prevention strategies in amateur soccer, but information from other soccer settings is scarce. This cross-sectional survey analysed the injury prevention perceptions of soccer coaches, fitness coaches and physiotherapists from 4 male teams in a professional youth soccer academy. METHODS: The respondents (n=18) completed a web-based survey relating to lower limb (LL) soccer injuries, the value and practicality of injury prevention exercise programmes (IPEPs) in general and, more specifically, the IPEP endorsed by FIFA, the FIFA 11+...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27895662/muscle-enriched-micrornas-isolated-from-whole-blood-are-regulated-by-exercise-and-are-potential-biomarkers-of-cardiorespiratory-fitness
#10
Joshua Denham, Priscilla R Prestes
MicroRNAs (miRNAs) are small non-coding RNA molecules that regulate gene expression post-transcriptionally. Evidence indicating miRNAs influence exercise-induced health and performance adaptations is mounting. Circulating miRNAs are responsible for intercellular communication and could serve as biomarkers for disease and exercise-related traits. Such biomarkers would contribute to exercise screening, monitoring, and the development of personalized exercise prescription. Accordingly, we investigated the impact of long-term strenuous aerobic exercise training and a single bout of maximal aerobic exercise on five muscle-enriched miRNAs implicated in exercise adaptations (miR-1, miR-133a, miR-181a, miR-486, and miR-494)...
2016: Frontiers in Genetics
https://www.readbyqxmd.com/read/27893472/correspondence-between-physical-self-concept-and-participation-in-and-fitness-change-after-bi-weekly-body-conditioning-classes-in-sedentary-women
#11
Ulrika Aasa, Johan Paulin, Guy Madison
The aims of the study were (1) to investigate the effects of participation in low impact body conditioning classes on physical fitness in sedentary women at different ages and (2) to examine the correspondence between physical self-concept and participation in, and fitness change after, the participation. Ninety-two sedentary women (mean age 44.2 years) participated in 11-weeks of bi-weekly classes that included cardiovascular, strength, core, endurance and mobility exercises, all performed in synchrony with music...
November 16, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27881668/restoration-of-thermoregulation-after-exercise
#12
Glen P Kenny, Ryan McGinn
Performing exercise, especially in the hot conditions, can heat the body causing significant increases in internal body temperature. To offset this increase, powerful and highly developed autonomic thermoregulatory responses (i.e., skin blood flow and sweating) are activated to enhance whole-body heat loss; a response mediated by temperature sensitive receptors in both the skin and the internal core regions of the body. Independent of thermal control of heat loss, nonthermal factors can have profound consequences on the body's ability to dissipate heat during exercise...
November 23, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27876315/cardiorespiratory-fitness-and-incidence-of-major-adverse-cardiovascular-events-in-us-veterans-a-cohort-study
#13
Peter F Kokkinos, Charles Faselis, Jonathan Myers, Puneet Narayan, Xuemei Sui, Jiajia Zhang, Carl J Lavie, Hans Moore, Pamela Karasik, Ross Fletcher
OBJECTIVE: To assess the association between exercise capacity and the risk of major adverse cardiovascular events (MACEs). PATIENTS AND METHODS: A symptom-limited exercise tolerance test was performed to assess exercise capacity in 20,590 US veterans (12,975 blacks and 7615 whites; mean ± SD age, 58.2±11.0 years) from the Veterans Affairs medical centers in Washington, District of Columbia, and Palo Alto, California. None had a history of MACE or evidence of ischemia at the time of or before their exercise tolerance test...
November 19, 2016: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/27873538/the-effects-of-elevated-hearing-thresholds-on-performance-in-a-paintball-simulation-of-individual-dismounted-combat
#14
Benjamin Sheffield, Douglas Brungart, Jennifer Tufts, James Ness
OBJECTIVE: To examine the relationship between hearing acuity and operational performance in simulated dismounted combat. DESIGN: Individuals wearing hearing loss simulation systems competed in a paintball-based exercise where the objective was to be the last player remaining. Four hearing loss profiles were tested in each round (no hearing loss, mild, moderate and severe) and four rounds were played to make up a match. This allowed counterbalancing of simulated hearing loss across participants...
November 22, 2016: International Journal of Audiology
https://www.readbyqxmd.com/read/27866346/comparing-the-effects-of-an-acute-bout-of-physical-exercise-with-an-acute-bout-of-interactive-mental-and-physical-exercise-on-electrophysiology-and-executive-functioning-in-younger-and-older-adults
#15
Julia Dimitrova, Michael Hogan, Patrick Khader, Denis O'Hora, Liam Kilmartin, Jane C Walsh, Richard Roche, Cay Anderson-Hanley
BACKGROUND: Physical exercise has been shown to improve cognitive and neural functioning in older adults. AIMS AND METHODS: The current study compared the effects of an acute bout of physical exercise with a bout of interactive mental and physical exercise (i.e., "exergaming") on executive (Stroop) task performance and event-related potential (ERP) amplitudes in younger and older adults. RESULTS: Results revealed enhanced executive task performance in younger and older adults after exercise, with no differences in performance between exercise conditions...
November 19, 2016: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/27863188/the-use-of-2-conditioning-programs-and-the-fitness-characteristics-of-police-academy-cadets
#16
Charles Cocke, Jay Dawes, Robin Marc Orr
CONTEXT:  Police academy training must physically prepare cadets for the rigors of their occupational tasks to prevent injury and allow them to adequately perform their duties. OBJECTIVE:  To compare the effects of 2 physical training programs on multiple fitness measures in police cadets. DESIGN:  Cohort study. SETTING:  Police training academy. PATIENTS OR OTHER PARTICIPANTS:  We collected data from 70 male (age = 27...
November 18, 2016: Journal of Athletic Training
https://www.readbyqxmd.com/read/27859711/red-cell-volume-response-to-exercise-training-association-with-aging
#17
REVIEW
D Montero, C Lundby
Red blood cell volume (RBCV) is a main determinant of cardiorespiratory fitness in healthy individuals. However, it remains controversial to what extent exercise training (ExT) enhances RBCV. Therefore, we sought to systematically review and determine the effect of ExT on RBCV in healthy individuals across all ages. We conducted a systematic search of MEDLINE, Scopus, and Web of Science, since their inceptions until February 2016 for articles assessing the effect of ExT interventions (not including hypoxic training) on blood volumes in healthy individuals...
November 18, 2016: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/27858872/physical-fitness-characteristics-of-active-duty-us-air-force-members-with-hiv-infection
#18
Asha De, Xiaohe Xu, James White, Thankam S Sunil, Jason F Okulicz
Human immunodeficiency virus (HIV) infection is associated with reduced muscle mass and adverse metabolic effects. We evaluated the impact of HIV infection on longitudinal exercise performance in US Air Force (USAF) members with HIV infection.USAF members perform standardized fitness assessments every 6 to 12 months with a composite score comprised of abdominal circumference, push-ups, sit-ups, and 1.5-mile run. Fitness tests between 2004 and 2014 for male USAF members with HIV infection (n = 172) were compared with male HIV-negative controls (∼10 per case; n = 1636) matched by age and rank category at service entry...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27849483/soldier-health-habits-and-the-metabolically-optimized-brain
#19
Karl E Friedl, Torbjorn J Breivik, Robert Carter, Dieter Leyk, Per Kristian Opstad, John Taverniers, Marion Trousselard
Human performance enhancement was the subject of a NATO workshop that considered the direct benefits of individual soldier health and fitness habits to brain health and performance. Some of the important health and fitness include physical activity and purposeful exercise, nutritional intake, sleep and rest behaviors, psychological outlook and mindfulness, and other physiologically based systemic challenges such as thermal exposure. These influences were considered in an integrated framework with insights contributed by each of five participating NATO member countries using representative research to highlight relevant interrelationships...
November 2016: Military Medicine
https://www.readbyqxmd.com/read/27848213/a-computational-cognitive-model-of-self-efficacy-and-daily-adherence-in-mhealth
#20
Peter Pirolli
Mobile health (mHealth) applications provide an excellent opportunity for collecting rich, fine-grained data necessary for understanding and predicting day-to-day health behavior change dynamics. A computational predictive model (ACT-R-DStress) is presented and fit to individual daily adherence in 28-day mHealth exercise programs. The ACT-R-DStress model refines the psychological construct of self-efficacy. To explain and predict the dynamics of self-efficacy and predict individual performance of targeted behaviors, the self-efficacy construct is implemented as a theory-based neurocognitive simulation of the interaction of behavioral goals, memories of past experiences, and behavioral performance...
December 2016: Translational Behavioral Medicine
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