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https://www.readbyqxmd.com/read/28090140/influence-of-warm-up-duration-and-recovery-interval-prior-to-exercise-on-anaerobic-performance
#1
M Frikha, N Chaâri, N Mezghanni, N Souissi
The purpose of the study was to determine the impact of different active warm-up (AWU) durations and the rest interval separating it from exercise on anaerobic performance. Eleven male physical education students (22.6 ± 2.52 years; 179.2 ± 4.3 cm; 82.5 ± 9.7 kg; mean ± SD) participated in a cross-over randomized study, and they all underwent the Wingate test after three AWU durations: 5 min (AWU5), 15 min (AWU15) and 20 min (AWU20), with recovery (WREC) or without a recovery interval (NREC) separating the AWU and anaerobic exercise performance...
December 2016: Biology of Sport
https://www.readbyqxmd.com/read/28060035/etiology-and-recovery-of-neuromuscular-fatigue-following-simulated-soccer-match-play
#2
Kevin Thomas, Jack Dent, Glyn Howatson, Stuart Goodall
PURPOSE: We profiled the etiology and recovery of neuromuscular fatigue post-simulated-soccer-match-play. METHODS: Fifteen semi-professional players completed a 90 min simulated soccer match. Pre-, immediately-post and at 24, 48 and 72 h participants completed a battery of neuromuscular, physical and perceptual tests. Perceived fatigue and muscle soreness were assessed via visual analogue scales. Maximum voluntary contraction (MVC) and twitch responses to electrical (femoral nerve) and magnetic (motor cortex) stimulation during isometric knee-extensor contractions and at rest were measured to assess central (voluntary activation, VA) and peripheral (quadriceps potentiated twitch force, Qtw,pot) fatigue, and responses to single and paired-magnetic stimuli were assessed to quantify corticospinal excitability and short-intracortical inhibition (SICI), respectively...
January 3, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28054262/does-photobiomodulation-therapy-is-better-than-cryotherapy-in-muscle-recovery-after-a-high-intensity-exercise-a-randomized-double-blind-placebo-controlled-clinical-trial
#3
Thiago De Marchi, Vinicius Mazzochi Schmitt, Guilherme Pinheiro Machado, Juliane Souza de Sene, Camila Dallavechia de Col, Olga Tairova, Mirian Salvador, Ernesto Cesar Pinto Leal-Junior
This study aimed to determine the effectiveness of photobiomodulation therapy (PBMT) and cryotherapy, in isolated and combined forms, as muscle recovery techniques after muscle fatigue-inducing protocol. Forty volunteers were randomly divided into five groups: a placebo group (PG); a PBMT group (PBMT); a cryotherapy group (CG); a cryotherapy-PBMT group (CPG); and a PBMT-cryotherapy group (PCG). All subjects performed four sessions at 24-h intervals, during which they submitted to isometric assessment (MVC) and blood collection in the pre-exercise period, and 5 and 60 min post-exercise, while the muscle fatigue induction protocol occurred after the pre-exercise collections...
January 5, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28054143/a-low-cost-mr-compatible-ergometer-to-assess-post-exercise-phosphocreatine-recovery-kinetics
#4
Niels D Naimon, Jerzy Walczyk, James S Babb, Oleksandr Khegai, Xuejiao Che, Leeor Alon, Ravinder R Regatte, Ryan Brown, Prodromos Parasoglou
OBJECTIVE: To develop a low-cost pedal ergometer compatible with ultrahigh (7 T) field MR systems to reliably quantify metabolic parameters in human lower leg muscle using phosphorus magnetic resonance spectroscopy. MATERIALS AND METHODS: We constructed an MR compatible ergometer using commercially available materials and elastic bands that provide resistance to movement. We recruited ten healthy subjects (eight men and two women, mean age ± standard deviation: 32...
January 4, 2017: Magma
https://www.readbyqxmd.com/read/28051345/how-does-interval-training-prescription-impact-physiological-and-perceptual-responses
#5
Stephen Seiler, Øystein Sylta
The purpose of this study was to compare physiological responses and perceived exertion among well trained cyclists (n=63) performing three different high intensity interval training (HIIT) prescriptions differing in work bout duration and accumulated duration, but all prescribed with maximal session effort. Data are presented as mean(Standard Deviation). Subjects (male, 38(8) y, VO2peak 62(6) mL.kg(-1) min(-1)) completed up to 24 HIIT sessions over 12 weeks as part of a training intervention study. Sessions were prescribed as 4x16 min, 4x8 min, or 4x4 min with 2 min recovery periods (8 sessions of each prescription, balanced over time)...
January 4, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28051341/effects-of-compression-garment-pressure-on-recovery-from-strenuous-exercise
#6
Jessica Hill, Glyn Howatson, Ken van Someren, David Gaze, Hayley Legg, Jack Lineham, Charles Pedlar
Compression garments are frequently used to facilitate recovery from strenuous exercise. Purpose To identify the effects of two different grades of compression garment on recovery indices following strenuous exercise. Methods Forty five recreationally active participants (n=26 males and n=19 females) completed an eccentric exercise protocol consisting of 100 drop jumps. Following the exercise protocol participants were matched for body mass and randomly but equally assigned to either a high (HI) compression pressure group, a low (LOW) compression pressure group, or a sham ultrasound group (SHAM)...
January 4, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28043028/modulation-of-inflammatory-response-arising-from-high-intensity-intermittent-and-concurrent-strength-training-in-physically-active-males
#7
Paula Alves Monteiro, Eduardo Zapaterra Campos, Flaviane Poleto de Oliveira, Fernando Pierin Peres, José Cesar Rosa-Neto, Gustavo Duarte Pimentel, Fabio Santos Lira
The purposes of this study were to determine: (i) the extent of an acute session of high-intensity intermittent exercise (HIIE) followed by a concurrent strength session (Conc) on the increase of systemic inflammatory cytokines and chemokines, and (ii) whether eight weeks of high intensity interval training plus concurrent strength training alters the acute inflammatory response and immune status. Ten recreationally active males (aged 26.9±4.3years) performed two experimental exercise sessions interspersed by eight weeks of HIIT plus concurrent strength training...
December 30, 2016: Cytokine
https://www.readbyqxmd.com/read/28042020/strength-training-to-enhance-early-recovery-steer-following-hematopoietic-stem-cell-transplantation
#8
Eileen Danaher Hacker, Eileen Collins, Chang Park, Tara Peters, Pritesh Patel, Damiano Rondelli
Intensive cancer treatment followed by hematopoietic stem cell transplantation (HCT) results in moderate to severe fatigue and physical inactivity leading to diminished functional ability. The purpose of this study was to determine the efficacy of an exercise intervention, Strength Training to Enhance Early Recovery (STEER), on physical activity, fatigue, muscle strength, functional ability, and quality of life following HCT. This single-blind, randomized clinical trial compared strength training (n = 33) to usual care plus attention-control with health-education (n = 34)...
December 29, 2016: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28032628/heart-rate-recovery-in-hypertensive-patients-relationship-with-blood-pressure-control
#9
Y Yu, T Liu, J Wu, P Zhu, M Zhang, W Zheng, Y Gu
Delayed heart rate recovery (HRR) post treadmill exercise testing reflects autonomic dysfunction and is related to worse cardiovascular outcome. The present study compared HRR in normotensive subjects and hypertensive patients taking anti-hypertensive medications with controlled blood pressure (BP) and uncontrolled BP. A total of 279 consecutive patients with (n=140, HP) and without (n=139, N-HP) essential hypertension who were hospitalized in our department during May 2012 to March 2016 were included in this study...
December 29, 2016: Journal of Human Hypertension
https://www.readbyqxmd.com/read/28029681/recovery-of-pectoralis-major-and-triceps-brachii-after-bench-press-exercise
#10
Diogo V Ferreira, Paulo Gentil, Saulo Rodrigo Sampaio Soares, Martim Bottaro
INTRODUCTION: The present study evaluated and compared the recovery of pectoralis major (PM) and triceps brachii (TB) muscles of trained men after bench press exercise. METHODS: Eighteen volunteers performed eight sets of bench press exercise to momentary muscle failure and were evaluated for TB and PM peak torque and total work on an isokinetic dynamometer. RESULTS: PM peak torque and total work remained lower than baseline for 72 and 96 hours, respectively...
December 28, 2016: Muscle & Nerve
https://www.readbyqxmd.com/read/28029066/cardiac-autonomic-and-haemodynamic-recovery-after-a-single-session-of-aerobic-exercise-with-and-without-blood-flow-restriction-in-older-adults
#11
Marina Lívia Venturini Ferreira, Amanda Veiga Sardeli, Giovana Vergínia De Souza, Valéria Bonganha, Lucas Do Carmo Santos, Alex Castro, Cláudia Regina Cavaglieri, Mara Patrícia Traina Chacon-Mikahil
This study investigated the autonomic and haemodynamic responses to different aerobic exercise loads, with and without blood flow restriction (BFR). In a crossover study, 21 older adults (8 males and 13 females) completed different aerobic exercise sessions: low load without BFR (LL) (40% VO2max), low load with BFR (LL-BFR) (40% VO2max + 50% BFR) and high load without BFR (HL) (70% VO2max). Heart rate variability and haemodynamic responses were recorded during rest and throughout 30 min of recovery. HL reduced R-R interval, the root mean square of successive difference of R-R intervals and high frequency during 30 min of recovery at a greater magnitude compared with LL and LL-BFR...
December 28, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28013058/leg-compressions-improve-ventilatory-efficiency-while-reducing-peak-and-post-exercise-blood-lactate-but-does-not-improve-perceived-exertion-exercise-economy-or-aerobic-exercise-capacity-in-endurance-trained-runners
#12
Eric Rivas, John D Smith, Nestor W Sherman
PURPOSE: The objective of this study was to determine if leg compressions would alter cardiorespiratory and perceived exertion measures during rest, submaximal and maximal exercise in endurance-trained runners. METHOD: Thirteen young, endurance trained runners (10 males, 20.9±3y, 58.9±5.7mlkgmin(-1)) completed a randomized design, leg compressions and non-compression control condition. The incremental graded exercise test consisted of baseline rest and submaximal intensities at 23%, 70%, 75%, 85% and then a progressive increase to 100% VO2max...
December 21, 2016: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28002636/caregiver-mediated-exercises-for-improving-outcomes-after-stroke
#13
REVIEW
Judith Dm Vloothuis, Marijn Mulder, Janne M Veerbeek, Manin Konijnenbelt, Johanna Ma Visser-Meily, Johannes Cf Ket, Gert Kwakkel, Erwin Eh van Wegen
BACKGROUND: Stroke is a major cause of long-term disability in adults. Several systematic reviews have shown that a higher intensity of training can lead to better functional outcomes after stroke. Currently, the resources in inpatient settings are not always sufficient and innovative methods are necessary to meet these recommendations without increasing healthcare costs. A resource efficient method to augment intensity of training could be to involve caregivers in exercise training. A caregiver-mediated exercise programme has the potential to improve outcomes in terms of body function, activities, and participation in people with stroke...
December 21, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27997652/association-between-early-participation-in-physical-activity-following-acute-concussion-and-persistent-postconcussive-symptoms-in-children-and-adolescents
#14
Anne M Grool, Mary Aglipay, Franco Momoli, William P Meehan, Stephen B Freedman, Keith Owen Yeates, Jocelyn Gravel, Isabelle Gagnon, Kathy Boutis, Willem Meeuwisse, Nick Barrowman, Andrée-Anne Ledoux, Martin H Osmond, Roger Zemek
Importance: Although concussion treatment guidelines advocate rest in the immediate postinjury period until symptoms resolve, no clear evidence has determined that avoiding physical activity expedites recovery. Objective: To investigate the association between participation in physical activity within 7 days postinjury and incidence of persistent postconcussive symptoms (PPCS). Design, Setting, and Participants: Prospective, multicenter cohort study (August 2013-June 2015) of 3063 children and adolescents aged 5...
20, 2016: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/27993588/effect-of-a-single-administration-of-focused-extracorporeal-shock-wave-in-the-relief-of-delayed-onset-muscle-soreness-results-of-a-partially-blinded-randomized-controlled-trial
#15
Johannes Fleckenstein, Mara Friton, Heiko Himmelreich, Winfried Banzer
OBJECTIVES: To examine the effects of a single administration of focused extracorporeal shockwave therapy (fESWT) on eccentric exercise-induced delayed-onset muscle soreness (DOMS). DOMS is a common symptom in people participating in exercise, sports, or recreational physical activities. DESIGN: Three-arm randomized controlled study conducted in 2009. SETTING: DOMS was induced by eccentric exercise of the non-dominant arm in voluntary participants at the Sports Campus of a German university...
December 16, 2016: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/27991663/is-the-ice-bath-finally-melting-cwi-is-no-greater-than-active-recovery-upon-local-and-systemic-inflammatory-cellular-stress-in-humans
#16
R Allan, Mawhinney Cr
Over the past decade, significant research has focussed on optimising the recovery of elite athletes. The premise behind such a theory is that sub-optimal recovery often leads to fatigue, reducing the quality of subsequent training sessions and/or competitive performances, whilst potentially hindering adaptive processes. There is now a plethora of research focussing on the impact of one such recovery strategy, cold-water immersion (CWI), and the benefits it may provide post-exercise. This article is protected by copyright...
December 19, 2016: Journal of Physiology
https://www.readbyqxmd.com/read/27987454/patient-reported-outcomes-in-ductal-carcinoma-in-situ-a-systematic-review
#17
REVIEW
Madeleine T King, Zoë E Winters, Ivo A Olivotto, Andrew J Spillane, Boon H Chua, Christobel Saunders, A Helen Westenberg, G Bruce Mann, Petrina Burnett, Phyllis Butow, Claudia Rutherford
Ductal carcinoma in situ (DCIS) is a pre-invasive breast cancer with excellent prognosis but with potential adverse impacts of diagnosis and treatment on quality of life and other patient-reported outcomes (PROs). We undertook a systematic review to synthesise current evidence about PROs following diagnosis and treatment for DCIS. We searched five electronic databases (from database inception to November 2015), cross-referenced and contacted experts to identify studies that reported PROs after DCIS treatment...
January 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/27981782/neuromuscular-changes-and-the-rapid-adaptation-following-a-bout-of-damaging-eccentric-exercise
#18
Stuart Goodall, Kevin Thomas, Martin Barwood, Karen Keane, Javier T Gonzalez, Alan St Clair Gibson, Glyn Howatson
To determine if neuromuscular disturbances are modulated following a repeated bout of eccentric exercise METHODS: Following eccentric exercise performed with the elbow-flexors, we measured maximal voluntary force, resting twitch force, muscle soreness, creatine kinase and voluntary activation using motor point and motor cortex stimulation at baseline, immediately post and at 1, 2, 3, 4 and 7 days post-exercise on two occasions, separated by 3 weeks RESULTS: Significant muscle damage and fatigue was evident following the first exercise bout; maximal voluntary contraction was reduced immediately by 32% and remained depressed at 7 days post-exercise...
December 16, 2016: Acta Physiologica
https://www.readbyqxmd.com/read/27979984/haemodynamic-response-to-muscle-reflex-is-abnormal-in-patients-with-heart-failure-with-preserved-ejection-fraction
#19
Silvana Roberto, Gabriele Mulliri, Raffaele Milia, Roberto Solinas, Virginia Pinna, Gianmarco Sainas, Massimo F Piepoli, Antonio Crisafulli
The aim of the present investigation was to assess the role of cardiac diastole on the hemodynamic response to metaboreflex activation. We wanted to determine whether patients with diastolic function impairment showed a different hemodynamic response as compared to normal subjects during this reflex. Hemodynamics during the metaboreflex activation obtained by post-exercise muscle ischemia (PEMI) was assessed in 10 patients with diagnosed heart failure with preserved ejection fraction (HFpEF) and in 12 age-matched healthy controls (CTL)...
December 15, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27979730/differential-basal-and-exercise-induced-igf-i-system-responses-to-resistance-vs-calisthenic-based-military-readiness-training-programs
#20
Bradley C Nindl, Joseph A Alemany, Kevin R Rarick, Shawn R Eagle, Mathew E Darnell, Katelyn F Allison, Everett A Harman
OBJECTIVE: The purpose of this study was to: 1) evaluate differential responses of the IGF-I system to either a calisthenic- or resistance exercise-based program and 2) determine if this chronic training altered the IGF-I system during an acute resistance exercise protocol. DESIGN: Thirty-two volunteers were randomly assigned into a resistance exercise-based training (RT) group (n=15, 27±5y, 174±6cm, 81±12kg) or a calisthenic-based training group (CT) (n=17, 29±5y, 179±8cm, 85±10kg) and all underwent 8weeks of exercise training (1...
December 6, 2016: Growth Hormone & IGF Research
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