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Rate of perceived exertion

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https://www.readbyqxmd.com/read/30092052/exercise-training-improves-vascular-function-and-secondary-health-measures-in-survivors-of-pediatric-oncology-related-cerebral-insult
#1
Treya M Long, Shoshana R Rath, Karen E Wallman, Erin K Howie, Leon M Straker, Andrew Bullock, Thomas S Walwyn, Nicholas G Gottardo, Catherine H Cole, Catherine S Choong, Louise H Naylor
Adolescent and young adult (AYA) survivors of pediatric oncology related cerebral insult are vulnerable to numerous treatment-induced deficits that significantly enhance cardiovascular disease risk. Regular exercise improves endothelial function, fitness, body composition and musculoskeletal function which may reduce predisposition for cardiovascular disease. Here we assessed the feasibility and effectiveness of a 24-week exercise intervention on cardiovascular, physical and metabolic outcomes in this population...
2018: PloS One
https://www.readbyqxmd.com/read/30086488/physiological-effects-of-a-short-term-lifestyle-intervention-based-on-the-mediterranean-diet-comparison-between-older-and-younger-healthy-sedentary-adults
#2
Yingshan Liu, Marianne Milner, Markos Klonizakis
OBJECTIVE: The aim of this study was to determine whether short-term adherence to the Mediterranean diet (MD) was associated with improved physiological function. METHODS: This was a single-center, cohort pilot study with 24 healthy, sedentary younger (18-35 y of age) and older (55-75 y of age) adults. Participants were advised to follow the MD for 4 wk. Baseline and post-intervention measurements were taken of weight, height, waist and hip circumference, blood pressure, and heart rate, as well as microvascular physiological assessments using laser Doppler flowmetry (LDF) at rest, as well as transcutaneous oxygen pressure (TcpO2) during a sub-maximal exercise assessment...
May 24, 2018: Nutrition
https://www.readbyqxmd.com/read/30080440/improved-performance-in-national-level-runners-with-increased-training-load-at-1600-and-1800-m
#3
Avish P Sharma, Philo U Saunders, Laura A Garvican-Lewis, Brad Clark, Marijke Welvaert, Christopher J Gore, Kevin G Thompson
PURPOSE: To determine the effect of altitude training at 1600 and 1800 m on sea-level (SL) performance in national-level runners. METHODS: After 3 wk of SL training, 24 runners completed a 3-wk sojourn at 1600 m (ALT1600, n = 8), 1800 m (ALT1800, n = 9), or SL (CON, n = 7), followed by up to 11 wk of SL racing. Race performance was measured at SL during the lead-in period and repeatedly postintervention. Training volume (km) and load (session rating of perceived exertion) were calculated for all sessions...
August 6, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/30080428/transcranial-direct-current-stimulation-enhances-mood-but-not-performance-in-elite-athletes
#4
Pedro L Valenzuela, Carlos Amo, Guillermo Sánchez-Martínez, Elaia Torrontegi, Javier Vázquez-Carrión, Zigor Montalvo, Alejandro Lucia, Pedro de la Villa
PURPOSE: This study aimed to determine if transcranial direct current stimulation (tDCS) could be effective for the enhancement of swimming performance or mood state in elite athletes. METHODS: Eight male elite triathletes (age, 20 ± 2 years; maximal oxygen uptake, 71 ± 4 ml∙kg-1∙min-1) participated in this crossover, counterbalanced, sham-controlled, double-blind study. Participants received either actual (20 minutes of anodal stimulation of the motor cortex at 2 mA) or sham tDCS, and performed an 800-meter swimming test in which rating of perceived exertion and blood lactate response were measured...
August 6, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/30080422/intensity-and-load-characteristics-of-professional-road-cycling-differences-between-men-s-and-women-s-races
#5
Dajo Sanders, Teun van Erp, Jos J de Koning
PURPOSE: This study provides a retrospective analysis of a large competition database describing the intensity and load demands of professional road cycling races, highlighting the differences between men's and women's races. METHOD: Twenty male and ten female professional cyclists participated in this study. During 4 consecutive years, heart rate (HR), rating of perceived exertion (RPE) and power output (PO) data were collected during both male (n = 3024) and female (n = 667) professional races...
August 6, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/30079045/focusing-attention-on-muscle-exertion-increases-eeg-coherence-in-an-endurance-cycling-task
#6
Selenia di Fronso, Gabriella Tamburro, Claudio Robazza, Laura Bortoli, Silvia Comani, Maurizio Bertollo
The aim of this study was to examine EEG coherence before, during, and after time to exhaustion (TTE) trials in an endurance cycling task, as well as the effect of effort level and attentional focus (i.e., functional external, functional internal, and dysfunctional internal associative strategies-leading to Type 1, Type 2, and Type 3 performances) on brain functional connectivity. Eleven college-aged participants performed the TTE test on a cycle-ergometer with simultaneous EEG and rate of perceived exertion (RPE) monitoring...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/30072929/the-heat-is-on-effects-of-synchronous-music-on-psychophysiological-parameters-and-running-performance-in-hot-and-humid-conditions
#7
Luke Nikol, Garry Kuan, Marilyn Ong, Yu-Kai Chang, Peter C Terry
Running in high heat and humidity increases psychophysiological strain, which typically impairs running performance. Listening to synchronous music has been shown to provide psychophysiological benefits, which may enhance running performance. The present randomized, crossover study examined effects of listening to synchronous music on psychophysiological parameters and running performance in hot and humid conditions. Twelve male runners (21.7 ± 2.2 y; 166.17 ± 7.18 cm; 60.32 ± 9.52 kg; 59.29 ± 5.95 ml kg-1 min-1 ) completed two running trials in simulated conditions (31°C and 70% humidity) with and without synchronous music...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/30063554/acute-effects-of-interset-rest-duration-on-physiological-and-perceptual-responses-to-resistance-exercise-in-hypoxia
#8
Catriona Lockhart, Brendan R Scott, Bradley Thoseby, Ben J Dascombe
Lockhart, C, Scott, BR, Thoseby, B, and Dascombe, BJ. Acute effects of interset rest duration on physiological and perceptual responses to resistance exercise in hypoxia. J Strength Cond Res XX(X): 000-000, 2018-This study aimed to determine whether manipulating interset rest periods during resistance training in hypoxia impacts on physiological and perceptual responses to exercise. Twelve healthy males completed 1 repetition maximum (1RM) testing for the bilateral leg extension, before completing 4 separate randomized trials comprising 5 × 10 repetitions of leg extensions at 70% 1RM...
July 30, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/30058345/can-caffeine-supplementation-reverse-the-effect-of-time-of-day-on-repeated-sprint-exercise-performance
#9
João Paulo Lopes-Silva, Jonatas Ferreira da Silva Santos, Emerson Franchini
PURPOSE: The aim of this study was to evaluate if caffeine can reduce the negative influence of diurnal variations on repeated-sprint performance, in addition to investigating if caffeine in the afternoon would potentiate performance compared to the morning. METHODS: Thirteen physically active men took part in this randomized, double-blind, placebo-controlled and crossover study. All participants underwent a repeated-sprint ability test (10 x 6s cycle sprints, with 30s of rest) 60 min after ingestion of either 5 mg·kg-1 or placebo under four different conditions: morning with caffeine ingestion (AMCAF); morning with placebo ingestion (AMPLA); afternoon with caffeine ingestion (PMCAF) and afternoon with placebo ingestion (PMPLA)...
July 30, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/30051964/higher-use-of-techniques-studied-and-performance-in-melee-combat-produce-a-higher-psychophysiological-stress-response
#10
Montaña Diaz-Manzano, Juan P Fuentes, Jesús Fernandez-Lucas, Susana Aznar-Lain, Vicente Javier Clemente-Suárez
We aimed to analyse the effectiveness of an operative training in soldiers' psychophysiological and melee combat performance. Nineteen soldiers performed a 50-hr training for 10 weeks. After training, they were divided into two groups: higher performance group (HPG) and lower performance group (LPG), then they conducted a realistic melee simulation where psychophysiological response, task performance, and the utilization of techniques learned were measured. HPG presented a significantly (p < 0.05) higher heart rate, blood lactate, and jump height; a lower blood oxygen saturation, task performance mark, use of studied techniques than LPG after the simulation; and a higher low frequency/high frequency ratio of heart rate variability previous the simulation than LPG...
July 27, 2018: Stress and Health: Journal of the International Society for the Investigation of Stress
https://www.readbyqxmd.com/read/30048410/sex-differences-in-training-loads-during-british-army-basic-training
#11
Thomas J O'Leary, Samantha C Saunders, Stephen J McGuire, Michelle C Venables, Rachel M Izard
PURPOSE: To compare training loads between men and women during 14-weeks of British Army standard entry basic training. METHODS: Thirty-one male (mean ± SD, age 21 ± 4 years, height 1.78 ± 0.08 m, mass 77.1 ± 10.5 kg) and 28 female (age 22 ± 4 years, height 1.65 ± 0.05 m, mass 63.9 ± 8.9 kg) British Army recruits had external (distance) and internal (heart rate [HR], training impulse [TRIMP], ratings of perceived exertion [RPE]) training loads measured during weeks 1, 2, 6, 12 and 13 of basic training...
July 13, 2018: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/30046617/strength-training-session-induces-important-changes-on-physiological-immunological-and-inflammatory-biomarkers
#12
Ayla Karine Fortunato, Washington Martins Pontes, Débora Maria Soares De Souza, Jéssica Santos Ferreira Prazeres, Lucas Soares Marcucci-Barbosa, Júlia Miranda Mól Santos, Érica Leandro Marciano Veira, Eduardo Bearzoti, Kelerson Mauro De Castro Pinto, André Talvani, Albená Nunes Da Silva
Strength exercise is a strategy applied in sports and physical training processes. It may induce skeletal muscle hypertrophy. The hypertrophy is dependent on the eccentric muscle actions and on the inflammatory response. Here, we evaluate the physiological, immunological, and inflammatory responses induced by a session of strength training with a focus on predominance of the eccentric muscle actions. Twenty volunteers were separated into two groups: the untrained group (UTG) and the trained group (TG). Both groups hold 4 sets of leg press, knee extensor, and leg curl at 65% of personal one-repetition maximum (1RM), 90 s of recovery, and 2″ conc/3″ eccen of duration of execution in each repetition...
2018: Journal of Immunology Research
https://www.readbyqxmd.com/read/30044670/motor-unit-activity-force-steadiness-and-perceived-fatigability-are-correlated-with-mobility-in-older-adults
#13
Diba Mani, Awad M Almuklass, Landon D Hamilton, Taian Martins Vieira, Alberto Botter, Roger M Enoka
The purpose of our study was to examine the associations between the performance of older adults on four tests of mobility with the physical capabilities of the lower leg muscles. The assessments included measures of muscle strength, muscle activation, and perceived fatigability. Muscle activation was quantified as the force fluctuations-a measure of force steadiness-and motor unit discharge characteristics of lower leg muscles during submaximal isometric contractions. Perceived fatigability was measured as the rating of perceived exertion achieved during a test of walking endurance...
July 25, 2018: Journal of Neurophysiology
https://www.readbyqxmd.com/read/30044341/deception-of-ambient-temperature-does-not-elicit-performance-benefits-during-a-5-km-run-in-hot-humid-conditions
#14
Nicholas J Hanson, Danielle M Carriveau, Holly E Morgan, Amanda R Smith, Timothy J Michael, Michael G Miller
Hanson, NJ, Carriveau, DM, Morgan, HE, Smith, AR, Michael, TJ, and Miller, MG. Deception of ambient temperature does not elicit performance benefits during a 5 km run in hot, humid conditions. J Strength Cond Res 32(8): 2250-2257, 2018-The purpose of this study was to investigate the effect of deception of ambient temperature on 5 km performance in recreational runners. Eleven participants (6 men, 5 women) each performed three 5 km runs in a random order consisting of a control trial (CON) in temperate conditions (21° C, 43% RH), a hot humid trial (HOT; 31° C, 65% RH) and a deception trial (DEC; 31° C, 65% RH), where participants were told it was 5° C lower than it actually was...
August 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/30043678/effect-of-carrying-different-military-equipment-during-a-fatigue-test-on-shooting-performance
#15
J J Gil-Cosano, E Orantes-Gonzalez, J Heredia-Jimenez
This study investigated the effect of a 3-km walking test (3kWT) carrying different military equipment on shooting performance, rating of perceived exertion (RPE), heart rate (HR), and test time. The relative combat wear and backpack weight (as percentage of soldier's body weight [%BW]) was reported and, along with HR, its relationship to marksmanship variables was tested. Thirty-nine Spanish Army males walked as fast as possible to complete the 3kWT in the following conditions in a randomized order: unloaded walking; wearing the combat uniform; and carrying the combat uniform plus combat backpack...
July 25, 2018: European Journal of Sport Science
https://www.readbyqxmd.com/read/30042887/perceived-training-load-and-jumping-responses-following-nine-weeks-of-a-competitive-period-in-young-female-basketball-players
#16
Igor de Freitas Cruz, Lucas Adriano Pereira, Ronaldo Kobal, Katia Kitamura, Cristiano Cedra, Irineu Loturco, Cesar Cavinato Cal Abad
The aims of this study were to describe the session rating of perceived exertion (sRPE), total quality recovery (TQR), and variations in countermovement jump (CMJ) height throughout nine weeks of a competitive period in young female basketball players. In total, 10 young female basketball players (17.2 ± 0.4 years; 71.8 ± 15.0 kg; 177.2 ± 9.5 cm) participated in this study. The sRPE and TQR were assessed in each training session, whereas the CMJ height was assessed prior to the first weekly training session...
2018: PeerJ
https://www.readbyqxmd.com/read/30041569/oxygen-consumption-rate-of-perceived-exertion-and-enjoyment-in-high-intensity-interval-eccentric-cycling
#17
Marcin Lipski, Chris R Abbiss, Kazunori Nosaka
The objectives of this article are to compare oxygen consumption (VO2 ) and perceptual responses between continuous and interval eccentric cycling protocols in order to test the hypothesis that metabolic demand and enjoyment would be greater for interval than continuous eccentric cycling protocols. Eleven recreationally active men (n = 9) and women (32.6 ± 9.4 years) performed a concentric cycling test to determine peak power output (PPO) followed by five eccentric cycling protocols on separate occasions: continuous eccentric cycling at 60% of PPO for 20 min at 60 rpm (CONT20@60% ) and 13...
July 24, 2018: European Journal of Sport Science
https://www.readbyqxmd.com/read/30041435/validity-of-session-rating-perceived-exertion-method-for-quantifying-internal-training-load-during-high-intensity-functional-training
#18
Ramires Alsamir Tibana, Nuno Manuel Frade de Sousa, Gabriel Veloso Cunha, Jonato Prestes, Carlos Fett, Tim J Gabbett, Fabrício Azevedo Voltarelli
The aim of this study was to validate the quantification of internal training load (session rating perceived exertion, sRPE) and the effect of recall timing of sRPE during high-intensity functional training (HIFT) sessions. Thirteen male HIFT practitioners (age 27.2 ± 33 years, height 177.1 ± 4.0 cm, body mass 81.1 ± 9.0 kg) were monitored during two common HIFT training sessions: Fight Gone Bad (FGB) and Fran. The Edwards summated heart-rate-zone method was used as a reference measure of internal training load...
July 23, 2018: Sports
https://www.readbyqxmd.com/read/30040033/blood-flow-restriction-resistance-exercise-promotes-lower-pain-and-ratings-of-perceived-exertion-as-compared-to-either-high-or-low-intensity-resistance-exercise-performed-to-muscular-failure
#19
Manoel E Lixandrão, Hamilton Roschel, Carlos Ugrinowitsch, Maira Miquelini, Ieda F Alvarez, Cleiton A Libardi
CONTEXT: Given the comparable muscle hypertrophy constantly observed between blood-flow restriction exercise (BFR-RE) and conventional resistance exercise, understanding their particular rating of perceived exertion (RPE) and pain may help to better prescribe exercise at a low-discomfort level, thus increasing its feasibility. DESIGN: Randomized crossover study. OBJECTIVE: The present study aimed to compare the RPE and pain response between conventional high- (HI-RE) and low-intensity resistance exercise protocol (LI-RE) to failure with a non-muscular failure LI-RE associated with BFR-RE...
July 24, 2018: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/30039995/increased-rate-of-heat-storage-and-no-performance-benefits-with-caffeine-ingestion-before-a-10-km-run-in-hot-humid-conditions
#20
Nicholas J Hanson, Sarah C Martinez, Erik N Byl, Rachel M Maceri, Michael G Miller
PURPOSE: Although the effect of caffeine in thermoneutral or cool environmental conditions has generally shown performance benefits, its efficacy in hot, humid conditions is not as well known. The purpose of this study was to further examine the effect of caffeine ingestion on endurance running performance in the heat. METHODS: Ten trained endurance runners (6 males; mean±SD age 26±9 years, height 176.7±5.1 cm, mass 72.1±8.7 kg) came to the lab for four visits...
July 24, 2018: International Journal of Sports Physiology and Performance
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