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post exercise recovery

Mark Waldron, Luke Waldron, Craig Lawlor, Adrian Gray, Jamie Highton
PURPOSE: We investigated the effects of an acute 24-h nitrate-rich beetroot juice supplement (BR) on the energy cost, exercise efficiency and blood pressure responses to intermittent walking at different gradients. METHODS: In a double-blind, cross-over design, eight participants were provided with a total of 350 ml of nitrate-rich (~ 20.5 mmol nitrate) BR or placebo (PLA) across 24 h before completing intermittent walking at 3 km/h on treadmill at gradients of 1, 5, 10, 15 and 20%...
March 15, 2018: European Journal of Applied Physiology
Walquiria Batista Andrade, Jeferson Lucas Jacinto, Douglas Kratki da Silva, Mirela Casonato Roveratti, José Maria Estoche, Douglas Benedito Oliveira, Mario Carlos Welin Balvedi, Rubens A da Silva, Andreo Fernando Aguiar
The purpose of this study was to investigate the effects of L-arginine (L-arg) supplementation on muscle recovery process after a single session of high-intensity resistance exercise (RE). 20 healthy young adult (22.8 ± 3.4 y) participants were assigned to two groups (N = 10/group): a placebo-supplement group (PLA) or a L-arginine-supplement group (ARG). The groups completed a session of high-intensity RE (0h), and three subsequent fatigue tests sessions (at 24, 48 and 72 h post-exercise) to assess the time course of muscle recovery...
March 15, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
Débora Finger, Fábio Juner Lanferdini, Juliano Boufleur Farinha, Clarissa Müller Brusco, Lucas Helal, Francesco Pinto Boeno, Eduardo Lusa Cadore, Ronei Silveira Pinto
INTRODUCTION: Protein (PRO) combined with a carbohydrate (CHO) beverage may have an ergogenic effect on endurance performance. However, evidence regarding its efficacy on similar conditions to athletes' race day is still lacking. OBJECTIVE: To compare the effect of three different nutritional supplementation strategies on performance and muscle recovery in a duathlon protocol. METHODS: , 13 male athletes (29.7 ± 7.7 years) participated in three simulated Olympic-distance duathlons under three different, randomly assigned, supplementation regimens: carbohydrate drink (CHO, 75 g); isocaloric CHO plus protein drink (CHO+PRO, 60...
March 15, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
Renata Valle Pedroso, José Maria Cancela, Carlos Ayán, Angelica Miki Stein, Gilson Fuzaro, José Luiz Riani Costa, Francisco J Fraga, Ruth Ferreira Santos-Galduróz
BACKGROUND: Evidence regarding the benefits of physical activity on the mental processing information of patients with Alzheimer's disease assessed objectively is scarce and can be observed through event-related potentials, such as the P300. The aim of the study was to identify the effects of physical exercises on mental processing information in the elderly with Alzheimer's disease through neurophysiological measures (P300 amplitude and latency) and reaction time. METHODS: A total of 31 patients with Alzheimer's disease participated in this study: 14 in functional exercise (FE) group and 17 in social gathering (SG) group who carried out three 1-hour sessions per week of FE and SG activities, respectively, for a 12-week period...
March 15, 2018: Journal of Physical Activity & Health
Alexa M Bouts, Lauren Brackman, Elizabeth Martin, Adam M Subasic, Edward S Potkanowicz
People use their smartphones for everything from web browsing to tracking fitness metrics. However, it is unclear whether smartphone-based apps that use photoplethysmography to measure heart rate are an accurate or valid measure of exercise intensity. Purpose was to determine the accuracy and validity of two iOS-based heart rate monitors, Runtastic Heart Rate Monitor and Pulse Tracker PRO by Runtastic (Runtastic) and Instant Heart Rate+: Heart Rate and Pulse Monitor by Azumio (Instant Heart Rate), when compared to the electrocardiogram (ECG) and Polar® T31 uncoded heart rate monitor from moderate to vigorous intensity exercise...
2018: International Journal of Exercise Science
Nur S Ibrahim, Chee K Chen, Ayunizma Ayub, Ayu S Muhamad
Introduction: Lysozyme is one of the salivary antimicrobial proteins which act as the "first line of defence" at the mucosal surface. The effects of prolonged exercise in the hot and cool environments among recreational athletes on salivary lysozyme responses are very limited in the literature, especially in the Asian countries. Objective: To determine the effects of prolonged running in the hot and cool environments on selected physiological parameters and salivary lysozyme responses among recreational athletes...
December 2017: Journal of Exercise Science and Fitness
Robert T Mankowski, Victor M Niemeijer, Jasper P Jansen, Lotte Spraakman, Henk J Stam, Stephan F E Praet
Purpose: It is still equivocal whether oxygen uptake recovery kinetics are limited by oxygen delivery and can be improved by supplementary oxygen. The present study aimed to investigate whether measurements of muscle and pulmonary oxygen uptake kinetics can be used to assess oxygen delivery limitations in healthy subjects. Methods: Sixteen healthy young adults performed three sub-maximal exercise tests (6 min at 40% Wmax ) under hypoxic (14%O2 ), normoxic (21%O2 ) and hyperoxic (35%O2 ) conditions on separate days in randomized order...
June 2017: Journal of Exercise Science and Fitness
Robert James Shute, Matthew William Heesch, Roksana Barbara Zak, Jodi L Kreiling, Dustin R Slivka
PGC-1α mRNA is increased with both exercise and exposure to cold temperature. However, transcriptional control has yet to be examined during exercise in the cold. Additionally, the need for environmental cold exposure after exercise may not be a practical recovery modality. The purpose of this study was to determine mitochondrial-related gene expression and transcriptional control of PGC-1α following exercise in a cold compared to room temperature environment. Eleven recreationally trained males completed two 1-h cycling bouts in a cold (7 {degree sign}C) or room temperature (20 {degree sign}C) environment followed by 3 h of supine recovery in standard room conditions...
March 14, 2018: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
Michael J Saunders, Nicholas D Luden, Cash R DeWitt, Melinda C Gross, Amanda Dillon Rios
The effects of protein supplementation on the ratings of energy/fatigue, muscle soreness [ascending (A) and descending (D) stairs], and serum creatine kinase levels following a marathon run were examined. Variables were compared between recreational male and female runners ingesting carbohydrate + protein (CP) during the run (CPDuring , n = 8) versus those that were consuming carbohydrate (CHODuring, n = 8). In a second study, outcomes were compared between subjects who consumed CP or CHO immediately following exercise [CPPost ( n = 4) versus CHOPost ( n = 4)]...
March 10, 2018: Nutrients
Saskia Koene, Niki M Stolwijk, Rob Ramakers, Maaike de Vries, Lonneke de Boer, Mirian C H Janssen, Imelda de Groot, Jan Smeitink
Mitochondrial disorders are multisystem conditions that can potentially affect gait in many ways. The aim of this study was to select the optimal protocol to quantify the spatiotemporal parameters of gait in ambulatory children with mitochondrial disorders based on feasibility, test-retest reliability, and the difference between patients and controls. Gait at self-selected pace was quantified in ambulatory children with a genetically confirmed primary mitochondrial disease using the GAITRite electronic walkway...
March 12, 2018: Journal of Inherited Metabolic Disease
Nikos C Apostolopoulos, Ian M Lahart, Michael J Plyley, Jack Taunton, Alan M Nevill, Yiannis Koutedakis, Matthew Wyon, George S Metsios
Effects of passive static stretching intensity on recovery from unaccustomed eccentric exercise of right knee extensors was investigated in 30 recreationally active males randomly allocated into three groups: high-intensity (70-80% maximum perceived stretch), low-intensity (30-40% maximum perceived stretch), and control. Both stretching groups performed 3 sets of passive static stretching exercises of 60s each for hamstrings, hip flexors, and quadriceps, over 3 consecutive days, post-unaccustomed eccentric exercise...
March 12, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
Kellie B Emmerson, Katherine E Harding, Kylee J Lockwood, Nicholas F Taylor
BACKGROUND: Allied health professionals working in rehabilitation often prescribe home exercise programs. Smart technology offers an alternative format for presentation of home exercise programs with potential advantages over traditional paper-based programs, but how do patients feel about this? DESIGN: This qualitative analysis was part of a convergent mixed methods design, using in depth, semi-structured interviews to explore the lived experience of patients utilising touch screen tablets to support an upper limb home exercise program post stroke...
March 11, 2018: Australian Occupational Therapy Journal
Cole S Bailey, Luke T Wooster, Mary Buswell, Sarvagna Patel, Paul P Pappagianopoulos, Kristian Bakken, Casey White, Melissa Tanguay, Jasmine B Blodgett, Aaron L Baggish, Rajeev Malhotra, Gregory D Lewis
OBJECTIVES: This study sought to characterize the functional and prognostic significance of oxygen uptake (VO2 ) kinetics following peak exercise in individuals with heart failure (HF). BACKGROUND: It is unknown to what extent patterns of VO2 recovery following exercise reflect circulatory response during exercise in HF with preserved ejection fraction (HFpEF) and HF with reduced ejection fraction (HFrEF). METHODS: We investigated patients (30 HFpEF, 20 HFrEF, and 22 control subjects) who underwent cardiopulmonary exercise testing with invasive hemodynamic monitoring and a second distinct HF cohort (n = 106) who underwent noninvasive cardiopulmonary exercise testing with assessment of long-term outcomes...
March 1, 2018: JACC. Heart Failure
Wing Chiu Chan, Stephanie Suk Yin Au-Yeung
OBJECTIVE: This study aimed to examine the effectiveness of mirror therapy (MT) on recovery in the severely impaired arm after stroke. DESIGN: Using single-blind randomized controlled design, patients with severely impaired arm within 1-month post-stroke were assigned to received MT (n=20) or control therapy (CT) (n=21), 30min. twice daily for 4 weeks in addition to conventional rehabilitation. During MT and CT, subjects practiced similar structured exercises in both arms, except that mirror reflection of the unaffected arm was the visual feedback for MT, but mirror was absent for CT so that subjects could watch both arms in exercise...
March 9, 2018: American Journal of Physical Medicine & Rehabilitation
Y Zhang, G Claireaux, H Takle, S M Jørgensen, A P Farrell
The recovery of oxygen uptake to the standard metabolic rate (SMR) following exhaustive chasing exercise in Atlantic salmon Salmo salar parr occurred in three phases (rapid, plateau and slow). The initial recovery phase lasted 0·7 h and contributed 16% to the total excess post-exercise oxygen consumption (EPOC). It was followed by a longer plateau phase that contributed 53% to the total EPOC. The slow recovery phase that completed recovery of SMR, which has not been reported previously, made a 31% contribution to the total EPOC...
March 9, 2018: Journal of Fish Biology
Anastassios Philippou, Maria Maridaki, Roxane Tenta, Michael Koutsilieris
OBJECTIVE: Mechanically overloaded muscle and its subsequent damage are strong stimuli for eliciting acute hormonal changes, while the muscle adaptation which occurs following exercise-induced muscle damage may involve complex hormonal responses before the completion of muscle regeneration. The purpose of this study was to investigate systemic responses of various hormones, as well as secreted proteins that are exercise-regulated and associated with muscle adaptation, for several days after eccentric exercise-induced muscle damage in humans...
October 2017: Hormones: International Journal of Endocrinology and Metabolism
Michael D Ellis, Carolina Carmona, Justin Drogos, Julius P A Dewald
Background: Progressive abduction loading therapy has emerged as a promising exercise therapy in stroke rehabilitation to systematically target the loss of independent joint control (flexion synergy) in individuals with chronic moderate/severe upper-extremity impairment. Preclinical investigations have identified abduction loading during reaching exercise as a key therapeutic factor to improve reaching function. An augmentative approach may be to additionally target weakness by incorporating resistance training to increase constitutive joint torques of reaching with the goal of improving reaching function by "overpowering" flexion synergy...
2018: Frontiers in Neurology
Gwendolyn Vuurberg, Alexander Hoorntje, Lauren M Wink, Brent F W van der Doelen, Michel P van den Bekerom, Rienk Dekker, C Niek van Dijk, Rover Krips, Masja C M Loogman, Milan L Ridderikhof, Frank F Smithuis, Sjoerd A S Stufkens, Evert A L M Verhagen, Rob A de Bie, Gino M M J Kerkhoffs
This guideline aimed to advance current understandings regarding the diagnosis, prevention and therapeutic interventions for ankle sprains by updating the existing guideline and incorporate new research. A secondary objective was to provide an update related to the cost-effectiveness of diagnostic procedures, therapeutic interventions and prevention strategies. It was posited that subsequent interaction of clinicians with this guideline could help reduce health impairments and patient burden associated with this prevalent musculoskeletal injury...
March 7, 2018: British Journal of Sports Medicine
Mariëtte Z Meulekamp, Peter van der Wurff, Alfred van der Meer, Cees Lucas
BACKGROUND: Chronic exertional compartment syndrome (CECS) is a condition of pain induced by exercise, and it is characterized by muscle swelling and impaired muscle function in the lower leg. Given the diversity in the diagnosis and treatment of CECS, it is desirable to determine variables pertaining to prognosis and recovery. The purpose of this study is to identify prognostic factors for conservative treatment outcomes in servicemen with CECS who were treated at a Military Rehabilitation Center...
November 28, 2017: Military Medical Research
Kevin J Ruff, Dennis Morrison, Sarah A Duncan, Matthew Back, Cem Aydogan, Jason Theodosakis
Purpose: Despite its many health benefits, moderate exercise can induce joint discomfort when done infrequently or too intensely even in individuals with healthy joints. This study was designed to evaluate whether NEM® (natural eggshell membrane) would reduce exercise-induced cartilage turnover or alleviate joint pain or stiffness, either directly following exercise or 12 hours post exercise, versus placebo. Patients and methods: Sixty healthy, postmenopausal women were randomly assigned to receive either oral NEM 500 mg (n=30) or placebo (n=30) once daily for two consecutive weeks while performing an exercise regimen (50-100 steps per leg) on alternating days...
2018: Clinical Interventions in Aging
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