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Exercise recovery

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https://www.readbyqxmd.com/read/28081223/high-intensity-jump-training-is-tolerated-during-60-days-of-bed-rest-and-is-very-effective-in-preserving-leg-power-and-lean-body-mass-an-overview-of-the-cologne-rsl-study
#1
Andreas Kramer, Jakob Kümmel, Edwin Mulder, Albert Gollhofer, Petra Frings-Meuthen, Markus Gruber
PURPOSE: Space agencies are looking for effective and efficient countermeasures for the degrading effects of weightlessness on the human body. The aim of this study was to assess the effects of a novel jump exercise countermeasure during bed rest on vitals, body mass, body composition, and jump performance. METHODS: 23 male participants (29±6 years, 181±6 cm, 77±7 kg) were confined to a bed rest facility for 90 days: a 15-day ambulatory measurement phase, a 60-day six-degree head-down-tilt bed rest phase (HDT), and a 15-day ambulatory recovery phase...
2017: PloS One
https://www.readbyqxmd.com/read/28081200/fitter-women-did-not-have-attenuated-hemodynamic-responses-to-psychological-stress-compared-with-age-matched-women-with-lower-levels-of-fitness
#2
Sisitha U Jayasinghe, Susan J Torres, Mais Hussein, Steve F Fraser, Gavin W Lambert, Anne I Turner
According to the 'cross stressor adaptation hypothesis', regular exercise acts as a buffer against the detrimental effects of stress. Nevertheless, evidence that higher levels of cardiorespiratory fitness moderate hemodynamic responses to acute psychological stress is inconclusive, especially in women. Women aged 30-50 years (in the mid-follicular phase of the menstrual cycle) with higher (n = 17) and lower (n = 17) levels of fitness were subjected to a Trier Social Stress Test (TSST). Continuous, non-invasive measurements were made of beat-to-beat, systolic blood pressure (SBP), diastolic blood pressure (DBP), mean arterial pressure (MAP), heart rate (HR), stroke volume (SV), cardiac output (CO), left ventricular ejection time (LVET), maximum slope, pulse interval (PI) and total peripheral resistance (TPR)...
2017: PloS One
https://www.readbyqxmd.com/read/28077104/effects-of-treadmill-exercise-versus-flutter%C3%A2-on-respiratory-flow-and-sputum-properties-in-adults-with-cystic-fibrosis-a-randomised-controlled-cross-over-trial
#3
Tiffany J Dwyer, Rahizan Zainuldin, Evangelia Daviskas, Peter T P Bye, Jennifer A Alison
BACKGROUND: Treadmill exercise and airway clearance with the Flutter® device have previously been shown to improve mucus clearance mechanisms in people with cystic fibrosis (CF) but have not been compared. It is therefore not known if treadmill exercise is an adequate form of airway clearance that could replace established airway clearance techniques, such as the Flutter®. The aim of this study was to evaluate respiratory flow, sputum properties and subjective responses of treadmill exercise and Flutter® therapy, compared to resting breathing (control)...
January 11, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28076352/high-intensity-interval-training-elicits-higher-enjoyment-than-moderate-intensity-continuous-exercise
#4
Jacob S Thum, Gregory Parsons, Taylor Whittle, Todd A Astorino
: Exercise adherence is affected by factors including perceptions of enjoyment, time availability, and intrinsic motivation. Approximately 50% of individuals withdraw from an exercise program within the first 6 mo of initiation, citing lack of time as a main influence. Time efficient exercise such as high intensity interval training (HIIT) may provide an alternative to moderate intensity continuous exercise (MICT) to elicit substantial health benefits. This study examined differences in enjoyment, affect, and perceived exertion between MICT and HIIT...
2017: PloS One
https://www.readbyqxmd.com/read/28067101/promoting-a-culture-of-prehabilitation-for-the-surgical-cancer-patient
#5
Francesco Carli, Chelsia Gillis, Celena Scheede-Bergdahl
BACKGROUND: Traditional rehabilitative approaches to perioperative cancer care have focused on the postoperative period to facilitate the return to presurgical baseline conditions. However, there is some realization that the preoperative period can be a very effective time for intervention as the patients are more amenable to target their physiological condition to prepare to overcome the metabolic cost of the surgical stress. METHODS: We undertook a narrative review of the current literature on surgical prehabilitation and discussed the current evidence of preoperative interventions before cancer surgery in order to increase physiological reserve before surgery and accelerate postoperative recovery...
January 9, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28062082/the-effect-of-a-rehabilitation-nursing-intervention-model-on-improving-the-comprehensive-health-status-of-patients-with-hand-burns
#6
Lin Li, Jia-Xi Dai, Le Xu, Zhen-Xia Huang, Qiong Pan, Xi Zhang, Mei-Yun Jiang, Zhao-Hong Chen
AIMS AND OBJECTIVES: To observe the effect of a rehabilitation intervention on the comprehensive health status of patients with hand burns. BACKGROUND: Most studies of hand-burn patients have focused on functional recovery. There have been no studies involving a biological-psychological-social rehabilitation model of hand-burn patients. DESIGN: A randomized controlled design was used. METHODS: Patients with hand burns were recruited to the study, and sixty patients participated...
January 3, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28060976/-cardiovascular-recovery-during-intermittent-exercise-in-highly-adherent-partic-pants-with-hypertension-and-type-2-diabetes-mellitus
#7
Johnattan Cano-Montoya, Cristian Álvarez, Cristian Martínez, Andrés Salas, Farid Sade, Rodrigo Ramírez-Campillo
BACKGROUND: Despite the evidence supporting metabolic benefits of high intensity interval exercise (HIIT), there is little information about the cardiovascular response to this type of exercise in patients with type 2 diabetes (T2D) and hypertension (HTA). AIM: To analyze the changes in heart rate at rest, at the onset and at the end of each interval of training, after twelve weeks of a HIIT program in T2D and HTA patients. MATERIAL AND METHODS: Twenty-three participants with T2D and HTA (20 women) participated in a controlled HIIT program...
September 2016: Revista Médica de Chile
https://www.readbyqxmd.com/read/28060359/targeting-retinal-ganglion-cell-recovery
#8
J G Crowston, E T Fahy, L Fry, I A Trounce, P van Wijngaarden, S Petrou, V Chrysostomou
Accumulating evidence from experimental and clinical studies suggest that retinal ganglion cells at least in the earlier stages of glaucoma have the capacity to recover function following periods of functional loss. The capacity for recovery may be negatively impacted by advancing age but can be boosted by interventions such as diet restriction and exercise.Eye advance online publication, 6 January 2017; doi:10.1038/eye.2016.281.
January 6, 2017: Eye
https://www.readbyqxmd.com/read/28060273/induction-and-assessment-of-exertional-skeletal-muscle-damage-in-humans
#9
Michael R Deyhle, Jacob R Sorensen, Robert D Hyldahl
Contraction-induced muscle damage via voluntary eccentric (lengthening) contractions offers an excellent model for studying muscle adaptation and recovery in humans. Herein we discuss the design of an eccentric exercise protocol to induce damage in the quadriceps muscles, marked by changes in strength, soreness, and plasma creatine kinase levels. This method is simple, ethical, and widely applicable since it is performed in human participants and eliminates the interspecies translation of the results. Subjects perform 300 maximal eccentric contractions of the knee extensor muscles at a speed of 120°/sec on an isokinetic dynamometer...
December 11, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28060035/etiology-and-recovery-of-neuromuscular-fatigue-following-simulated-soccer-match-play
#10
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/28059803/whole-body-vibration-wbv-following-spinal-cord-injury-sci-in-rats-timing-of-intervention
#11
Marilena Manthou, Diana Saad Yousif Abdulla, Stoyan Pavlov Pavlov, Ramona Jansen, Habib Bendella, Klaus Nohroudi, Gregor Stein, Carolin Mmeyer, Ozlem Ozsoy, Umut Ozsoy, Yasemin Behram Kandemir, Levent Sarikcioglu, Oliver Semler, Eckhard Schoenau, Sarah Dunlop, Doychin Nikolov Angelov
BACKGROUND: Following spinal cord injury (SCI), exercise training provides a wide range of benefits and promotes activity-dependent synaptic plasticity. Whole body vibration (WBV) in SCI patients improves walking and spasticity as well as bone and muscle mass. However, little is known about the effects of timing or frequency of intervention. OBJECTIVE: To determine which WBV-onset improves locomotor and bladder functions and influences synaptic plasticity beneficially...
January 4, 2017: Restorative Neurology and Neuroscience
https://www.readbyqxmd.com/read/28054322/creatine-loading-does-not-preserve-muscle-mass-or-strength-during-leg-immobilization-in-healthy-young-males-a-randomized-controlled-trial
#12
Evelien M P Backx, Roland Hangelbroek, Tim Snijders, Marie-Louise Verscheijden, Lex B Verdijk, Lisette C P G M de Groot, Luc J C van Loon
BACKGROUND: A short period of leg immobilization leads to rapid loss of muscle mass and strength. Creatine supplementation has been shown to increase lean body mass in active individuals and can be used to augment gains in muscle mass and strength during prolonged resistance-type exercise training. OBJECTIVE: Our objective was to investigate whether creatine loading can attenuate the loss of muscle mass and strength during short-term leg immobilization. METHODS: Healthy young men (n = 30; aged 23 ± 1 years; body mass index [BMI] 23...
January 5, 2017: Sports Medicine
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
#13
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/28054144/aerobic-fitness-impacts-sympathoadrenal-axis-responses-to-concurrent-challenges
#14
Heather E Webb, Deena A Rosalky, Matthew J McAllister, Edmund O Acevedo, Gary H Kamimori
: The combination of mental and physical challenges can elicit exacerbated cardiorespiratory (CR) and catecholamine responses above that of a single challenge alone. PURPOSE: This study examined the effects of a combination of acute mental challenges and physical stress on cardiorespiratory and catecholamine responses. METHOD: Eight below-average fitness (LF VO2max = 36.58 ± 3.36 ml(-1) kg(-1) min(-1)) and eight above-average fitness (HF VO2max = 51...
January 4, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28054143/a-low-cost-mr-compatible-ergometer-to-assess-post-exercise-phosphocreatine-recovery-kinetics
#15
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
#16
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
#17
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/28048810/su-f-i-25-reproducibility-of-phosphorus-mrs-and-work-measurements-for-evaluating-skeletal-muscle-metabolism
#18
F Settles, E Ripley, D Shengwen, G Clarke
PURPOSE: Skeletal muscle energetics were studied by phosphorus-31 MRS ((31) P-MRS) during exercise. The reproducibility of work performed and the MRS parameters were investigated. METHODS: Reproducibility of the (31) P-MRS exercise parameters was validated in five healthy volunteers (2 M/3 F, age 39.2 ± 21.9 yr, BMI 25.1 ± 4.8 kg/m(2) ). Five minute exercise of the vastus lateralis (VL) was performed on two separate occasions during MRS in a 3 Tesla MRI system...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048761/mo-fg-campus-iep3-05-a-novel-model-for-evaluating-exercise-induced-skeletal-muscle-metabolism-with-phosphorus-mrs
#19
E Ripley, G Clarke, F Settles
PURPOSE: The phosphocreatine (PCr) recovery rate after exercise is used an index of mitochondrial function in muscle 31P-MRS. We tested the hypothesis that the initial rate of PCr recovery after exercise reflects the equilibrium mitochondrial ATP production rate required to balance ATP requirements during exercise. METHODS: Exercise data is often analyzed by fitting the PCr recovery curve to the Levenberg-Marquardt algorithm to determine the rate constant, k. In this study, the initial rates of change for PCr and inorganic phosphate (Pi) were examined at the beginning and after the end of exercise in the vastus lateralis...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28045865/effects-of-aerobic-exercise-on-pain-sensitivity-heart-rate-recovery-and-health-related-quality-of-life-in-patients-with-chronic-musculoskeletal-pain
#20
Şeyda Öte Karaca, Nesrin Demirsoy, Zafer Günendi
We aimed to investigate the effects of aerobic exercise on pain perception, sensitivity, and health-related quality of life; to assess its effect on parasympathetic tonus by analysis of heart rate recovery; and to examine the effects of parasympathetic tone on pain sensitivity in patients with chronic musculoskeletal pain. Fifty patients with chronic musculoskeletal pain were randomized into two groups: control group (C group) and aerobic exercise group (AE group). Both groups received conventional physical therapy for 2 weeks; the AE group performed submaximal aerobic exercise on a treadmill for 30 min additionally...
December 29, 2016: International Journal of Rehabilitation Research. Revue Internationale de Recherches de Réadaptation
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