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"post exercise recovery"

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
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
Abdullah F Alghannam, Javier T Gonzalez, James A Betts
The importance of post-exercise recovery nutrition has been well described in recent years, leading to its incorporation as an integral part of training regimes in both athletes and active individuals. Muscle glycogen depletion during an initial prolonged exercise bout is a main factor in the onset of fatigue and so the replenishment of glycogen stores may be important for recovery of functional capacity. Nevertheless, nutritional considerations for optimal short-term (3-6 h) recovery remain incompletely elucidated, particularly surrounding the precise amount of specific types of nutrients required...
February 23, 2018: Nutrients
Randall F D'Souza, Nina Zeng, James F Markworth, Vandre Casagrande Figueiredo, Llion Arwyn Roberts, Truls Raastad, Jeff S Coombes, Jonathan M Peake, David Cameron-Smith, Cameron J Mitchell
Resistance training (RT) increases muscle fiber size and induces angiogenesis to maintain capillary density. Cold water immersion (CWI), a common post-exercise recovery modality may improve acute recovery, but it attenuates muscle hypertrophy compared with active recovery (ACT). It is unknown if CWI following RT alters muscle fiber type expression or angiogenesis. Twenty-one men strength trained for 12 weeks, with either 10 min of CWI (n=11) or ACT (n=10) performed following each session. Vastus lateralis biopsies were collected at rest before and after training...
February 21, 2018: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
Paula Rankin, Adrian Landy, Emma Stevenson, Emma Cockburn
Milk has become a popular post-exercise recovery drink. Yet the evidence for its use in this regard comes from a limited number of investigations utilising very specific exercise protocols, and mostly with male participants. Therefore, the aim of this study was to investigate the effects of post-exercise milk consumption on recovery from a sprinting and jumping protocol in female team-sport athletes. Eighteen females participated in an independent-groups design. Upon completion of the protocol participants consumed 500 mL of milk (MILK) or 500 mL of an energy-matched carbohydrate (CHO) drink...
February 17, 2018: Nutrients
Stephan van Vliet, Joseph W Beals, Isabel G Martinez, Sarah K Skinner, Nicholas A Burd
Dietary protein ingestion is critical to maintaining the quality and quantity of skeletal muscle mass throughout adult life. The performance of acute exercise enhances muscle protein remodeling by stimulating protein synthesis rates for several hours after each bout, which can be optimized by consuming protein during the post-exercise recovery period. To date, the majority of the evidence regarding protein intake to optimize post-exercise muscle protein synthesis rates is limited to isolated protein sources...
February 16, 2018: Nutrients
Scott Michael, Ollie Jay, Kenneth S Graham, Glen M Davis
OBJECTIVES: This study investigated indirect measures of post-exercise parasympathetic reactivation (using heart-rate-variability, HRV) and sympathetic withdrawal (using systolic-time-intervals, STI) following upper- and lower-body exercise. DESIGN: Randomized, counter-balanced, crossover. METHODS: 13 males (age 26.4±4.7years) performed maximal arm-cranking (MAX-ARM) and leg-cycling (MAX-LEG). Subsequently, participants undertook separate 8-min bouts of submaximal HR-matched exercise of each mode (ARM and LEG)...
February 12, 2018: Journal of Science and Medicine in Sport
Chandan-Ganesh Bangalore-Yogananda, Ryan Rosenberry, Sagar Soni, Hanli Liu, Michael D Nelson, Fenghua Tian
Noninvasive, direct measurement of local muscle blood flow in humans remains limited. Diffuse correlation spectroscopy (DCS) is an emerging technique to measure regional blood flow at the microvascular level. In order to better understand the strengths and limitations of this novel technique, we performed a validation study by comparing muscle blood flow changes measured with DCS and Doppler ultrasound during exercise. Nine subjects were measured (all males, 27.4 ± 2.9 years of age) for a rhythmic handgrip exercise at 20% and 50% of individual maximum voluntary contraction (MVC), followed by a post-exercise recovery...
January 1, 2018: Biomedical Optics Express
Daniel Bonnar, Kate Bartel, Naomi Kakoschke, Christin Lang
BACKGROUND: Athletes experience various situations and conditions that can interfere with their sleep, which is crucial for optimal psychological and physiological recovery as well as subsequent performance. Conventional sleep screening and intervention approaches may not be efficacious for athletes given their lifestyle, the demands of training and travel associated with interstate/international competition. OBJECTIVES: The present systematic review aimed to summarize and evaluate sleep intervention studies targeting subsequent performance and recovery in competitive athletes...
January 20, 2018: Sports Medicine
B Gutmann, P Zimmer, T Hülsdünker, J Lefebvre, S Binnebößel, M Oberste, W Bloch, H K Strüder, A Mierau
Acute physical exercise (APE) induces an increase in the individual alpha peak frequency (iAPF), a cortical parameter associated with neural information processing speed. The aim of this study was to further scrutinize the influence of different APE intensities on post-exercise iAPF as well as its time course after exercise cessation. 95 healthy young (18-35 years) subjects participated in two randomized controlled experiments (EX1 and EX2). In EX1, all participants completed a graded exercise test (GXT) until exhaustion and were randomly allocated into different delay groups (immediately 0, 30, 60 and 90 minutes after GXT)...
January 9, 2018: Neuroscience Letters
Joshua P Nederveen, Sophie Joanisse, Tim Snijders, Aaron Cq Thomas, Dinesh Kumbhare, Gianni Parise
Factors that determine the skeletal muscle satellite cell (SC) response remain incompletely understood. It is known, however, that SC activation status is closely related to the anatomical relationship between SC and muscle capillaries. We investigated the impact of muscle fibre capillarization on the expansion and activation status of SC following a muscle damaging exercise protocol in healthy young men. Twenty-nine young men (21 ± 0.5 yrs) performed 300 unilateral eccentric contractions (180 deg·s-1 ) of the knee extensors...
January 6, 2018: Journal of Physiology
Yumiko Takahashi, Yutaka Matsunaga, Yuki Tamura, Shin Terada, Hideo Hatta
Previous studies have shown that the short-term intake of a high-fat diet (HFD) impairs glucose metabolism. In this study, we investigated the influences of pre-exercise HFD intake for 3 d on post-exercise glycogen repletion in skeletal muscle in ICR mice. Mice received either an HFD (57% kcal from fat, 23% kcal from carbohydrate; HFD group) or standard laboratory chow (13% kcal from fat, 60% kcal from carbohydrate; Con group) for 3 d before exercise. Mice performed treadmill running at 25 m/min for 60 min and were orally administered a glucose (2 mg/g body weight) solution immediately after and at 60 min after exercise...
2017: Journal of Nutritional Science and Vitaminology
Adalberto Ferreira Junior, Julio Cezar Schamne, Solange Marta Franzói de Moraes, Nilo Massaru Okuno
The aim of this study was to verify the maximum number of repetitions, fatigue index, blood lactate concentration ([Lac]), and cardiac autonomic responses after LED irradiation (LEDI) in the ipsilateral and contralateral limb. Twelve male subjects (22.0 ± 3.86 years; weight 82.94 ± 12.58 kg; height 1.77 ± 0.05 m), physically active, took part in this study. The subjects underwent a one repetition maximum (1RM) test and performed four randomly experimental sessions in the horizontal leg press exercise, which consisted in four sets of maximum repetitions at 80% of 1RM...
February 2018: Lasers in Medical Science
Kathryn A Zuj, Chekema N Prince, Richard L Hughson, Sean D Peterson
This study tested the hypothesis that intermittent compression of the lower limb would increase blood flow during exercise and post-exercise recovery. Data were collected from 12 healthy individuals (8 men) who performed three minutes of standing plantar flexion exercise. Three conditions were tested: no applied compression (NoComp), compression during the exercise period only (ExComp), and compression during two minutes of standing post-exercise recovery (RecComp). Doppler ultrasound was used to determine superficial femoral artery (SFA) blood flow responses...
November 9, 2017: Journal of Applied Physiology
Danielle McCartney, Ben Desbrow, Christopher Irwin
BACKGROUND: Athletes may complete consecutive exercise sessions with limited recovery time between bouts (e.g. ≤ 4 h). Nutritional strategies that optimise post-exercise recovery in these situations are therefore important. OBJECTIVE: This two-part review investigated the effect of consuming carbohydrate (CHO) and protein with water (W) following exercise on subsequent athletic (endurance/anaerobic exercise) performance. DATA SOURCES: Studies were identified by searching the online databases SPORTDiscus, PubMed, Web of Science and Scopus...
February 2018: Sports Medicine
Luana Almeida Gonzaga, Luiz Carlos Marques Vanderlei, Rayana Loch Gomes, Vitor Engrácia Valenti
The post-exercise recovery period is associated with changes in autonomic modulation, which can promote an intercurrent-favorable environment. Caffeine has the ability to release catecholamines, but its effects after exercises is little explored. The present study aims to evaluate the acute effects of caffeine on the autonomic control and cardiorespiratory parameters after moderate intensity aerobic exercise. 32 young males (23,59 ± 3,45 years) were submitted to two protocols: Placebo and Caffeine, consisting of 15 minutes of rest, 30 minutes of exercise on a treadmill to 60% on VO2peak, followed by 60 minutes of recovery...
October 26, 2017: Scientific Reports
Haihong Zhang, Zimin Wang, Kejun Dong, Soon Huat Ng, Zhiping Lin
Automatic tracking of intra-beat cardiac activities in ballistocardiogram (BCG) is a highly interesting yet technically challenging topic for cardiac monitoring, due to the signal's high susceptibility to various forms of distortions. In this paper, we aim to further investigate the BCG waveform detection from a signal processing and analysis viewpoint. We collect synchronized electrocardiography(ECG) and BCG recordings from four healthy human subjects using an in-house built multi-physiological monitoring device...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Arthur J Cheng, Sarah J Willis, Christoph Zinner, Thomas Chaillou, Niklas Ivarsson, Niels Ørtenblad, Johanna T Lanner, Hans-Christer Holmberg, Håkan Westerblad
Manipulation of muscle temperature is believed to improve post-exercise recovery, with cooling being especially popular among athletes. However, it is unclear whether such temperature manipulations actually have positive effects. Accordingly, we studied the effect of muscle temperature on the acute recovery of force and fatigue resistance after endurance exercise. One hour of moderate-intensity arm cycling exercise in humans was followed by two hours recovery in which the upper arms were either heated to 38°C, not treated (33°C), or cooled to ∼15°C...
October 4, 2017: Journal of Physiology
T Bradley Willingham, Kevin K McCully
The ability to sustain submaximal exercise is largely dependent on the oxidative capacity of mitochondria within skeletal muscle, and impairments in oxidative metabolism have been implicated in many neurologic and cardiovascular pathologies. Here we review studies which have demonstrated the utility of Near-infrared spectroscopy (NIRS) as a method of evaluating of skeletal muscle mitochondrial dysfunction in clinical human populations. NIRS has been previously used to noninvasively measure tissue oxygen saturation, but recent studies have demonstrated the utility of NIRS as a method of evaluating skeletal muscle oxidative capacity using post-exercise recovery kinetics of oxygen metabolism...
2017: Frontiers in Physiology
Andrew M Holwerda, Kevin J M Paulussen, Maarten Overkamp, Joey S J Smeets, Annemie P Gijsen, Joy P B Goessens, Lex B Verdijk, Luc J C van Loon
BACKGROUND: Resistance-type exercise increases muscle protein synthesis rates during acute post-exercise recovery. The impact of resistance-type exercise training on (local) muscle protein synthesis rates under free living conditions on a day-to-day basis remains unclear. OBJECTIVE: To determine the impact of daily unilateral resistance-type exercise on local myofibrillar protein synthesis rates during a three-day period. METHODS: Twelve healthy young males (22±1 y) were recruited to participate in this study where they performed daily, unilateral resistance-type exercise during a three-day intervention period...
September 21, 2017: Journal of Applied Physiology
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