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https://www.readbyqxmd.com/read/29122964/enhanced-muscle-blood-flow-with-intermittent-pneumatic-compression-of-the-lower-leg-during-plantar-flexion-exercise-and-recovery
#1
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
https://www.readbyqxmd.com/read/29098657/post-exercise-ingestion-of-carbohydrate-protein-and-water-a-systematic-review-and-meta-analysis-for-effects-on-subsequent-athletic-performance
#2
REVIEW
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...
November 2, 2017: Sports Medicine
https://www.readbyqxmd.com/read/29075019/caffeine-affects-autonomic-control-of-heart-rate-and-blood-pressure-recovery-after-aerobic-exercise-in-young-adults-a-crossover-study
#3
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
https://www.readbyqxmd.com/read/29059981/towards-precise-tracking-of-electric-mechanical-cardiac-time-intervals-through-joint-ecg-and-bcg-sensing-and-signal-processing
#4
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
https://www.readbyqxmd.com/read/28980321/post-exercise-recovery-of-contractile-function-and-endurance-in-humans-and-mice-is-accelerated-by-heating-and-slowed-by-cooling-skeletal-muscle
#5
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
https://www.readbyqxmd.com/read/28959210/in-vivo-assessment-of-mitochondrial-dysfunction-in-clinical-populations-using-near-infrared-spectroscopy
#6
REVIEW
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
https://www.readbyqxmd.com/read/28935828/daily-resistance-type-exercise-stimulates-overall-muscle-protein-synthesis-rates-in-vivo-in-young-males
#7
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
https://www.readbyqxmd.com/read/28902927/bradykinin-insulin-and-glycemia-responses-to-exercise-performed-above-and-below-lactate-threshold-in-individuals-with-type-2-diabetes
#8
RANDOMIZED CONTROLLED TRIAL
R Y Asano, R A V Browne, M M Sales, G Arsa, J F V N Moraes, H J Coelho-Júnior, M R Moraes, I Oliveira-Silva, S E Atlas, J E Lewis, H G Simões
The aim of this study was to analyze the acute responses of bradykinin, insulin, and glycemia to exercise performed above and below lactate threshold (LT) in individuals with type 2 diabetes mellitus (T2D). Eleven participants with a diagnosis of T2D randomly underwent three experimental sessions 72 h apart: 1) 20 min of exercise performed at 120% of LT (120%LT), 2) 20 min of exercise performed at 80% of LT (80%LT), and 3) 20 min of control session. Blood glucose was analyzed before, during, and at 45 min post-exercise...
September 12, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28856749/supplementation-with-a-polyphenol-rich-extract-tensless-%C3%A2-attenuates-delayed-onset-muscle-soreness-and-improves-muscle-recovery-from-damages-after-eccentric-exercise
#9
Cindy Romain, Tomás T Freitas, Francisco J Martínez-Noguera, Caroline Laurent, Sylvie Gaillet, Linda H Chung, Pedro E Alcaraz, Julien Cases
High-intensity exercises are known to provoke delayed onset muscle soreness (DOMS). Delayed onset muscle soreness typically occurs within the first 24 h, peaks between 24 and 72 h, and can last as long as 5-7 days post-exercise. Delayed onset muscle soreness is a multifactorial process involving both mechanical and biochemical components, associated with clinical features that may limit range of motion, and athletes seek for effective recovery strategies to optimize future training sessions. TensLess(®) is a food supplement developed to help manage post-exercise recovery...
August 30, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28853994/whole-red-grape-juice-reduces-blood-pressure-at-rest-and-increases-post-exercise-hypotension
#10
Manoel Miranda Neto, Taís F da Silva, Fabiano F de Lima, Thibério M Q Siqueira, Lydiane T Toscano, Stephanney K M S F de Moura, Alexandre S Silva
OBJECTIVE: The objective of this study was to evaluate the effect of whole red grape juice (juice) on blood pressure (BP) at rest and on the magnitude of post-exercise hypotension (PEH). METHODS: This double-blind, randomized controlled study was performed with 26 individuals with hypertension (40 to 59 years old) who were divided into experimental (n = 14) and control (n = 12) groups. Subsequently, the experimental group was subdivided according to the initial BP values...
August 30, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28746572/effect-of-the-exercise-of-walkers-performed-in-public-squares-with-spontaneous-or-prescribed-intensity-on-post-exercise-hypotension
#11
Taís Feitosa da Silva, Alesandra Araújo de Souza, Fabiano Ferreira de Lima, Jennifer Ariely Sales Suassuna, Henrique Eduardo Paiva Lira do Couto, Gustavo Roque Tenório, Maria Irene de Andrade Gomes Silva, Guilherme Leandebal Bonifácio Dias, Alexandre Sérgio Silva
OBJECTIVE: To quantify the intensity adopted by walkers in public squares and check the occurrence and magnitude of post-exercise hypotension in the spontaneously adopted intensity and in a prescribed intensity. METHODS: In 98 volunteers (38 of them being hypertensive), walkers in public squares of the city of João Pessoa, State of Paraíba, Brazil, we have identified the intensity of a usual training monitored by heart rate and we have investigated the occurrence and magnitude of post-exercise hypotension...
July 20, 2017: Revista de Saúde Pública
https://www.readbyqxmd.com/read/28702808/longer-exercise-duration-delays-post-exercise-recovery-of-cardiac-parasympathetic-but-not-sympathetic-indices
#12
Scott Michael, Ollie Jay, Kenneth S Graham, Glen M Davis
PURPOSE: This study investigated non-invasive indices of post-exercise parasympathetic reactivation (using heart rate variability, HRV) and sympathetic withdrawal (using systolic time intervals, STI) following different exercise durations. METHODS: 13 healthy males (age 26.4 ± 4.7 years) cycled at 70% heart rate (HR) reserve for two durations-8 min (SHORT) and 32 min (LONG)-on separate occasions: HRV (including natural logarithm of root mean square of successive differences, Ln-RMSSD) and STI (including pre-ejection period, PEP) were assessed throughout 10 min seated recovery...
July 12, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28654037/non-invasive-assessments-of-subjective-and-objective-recovery-characteristics-following-an-exhaustive-jump-protocol
#13
Erich Hohenauer, Peter Clarys, Jean-Pierre Baeyens, Ron Clijsen
Fast recovery after strenuous exercise is important in sports and is often studied via cryotherapy applications. Cryotherapy has a significant vasoconstrictive effect, which seems to be the leading factor in its effectiveness. The resulting enhanced recovery can be measured by using both objective and subjective parameters. Two commonly measured subjective characteristics of recovery are delayed-onset muscle soreness (DOMS) and ratings of perceived exertion (RPE). Two important objective recovery characteristics are countermovement jump (CMJ) performance and peak power output (PPO)...
June 8, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28615996/international-society-of-sports-nutrition-position-stand-safety-and-efficacy-of-creatine-supplementation-in-exercise-sport-and-medicine
#14
REVIEW
Richard B Kreider, Douglas S Kalman, Jose Antonio, Tim N Ziegenfuss, Robert Wildman, Rick Collins, Darren G Candow, Susan M Kleiner, Anthony L Almada, Hector L Lopez
Creatine is one of the most popular nutritional ergogenic aids for athletes. Studies have consistently shown that creatine supplementation increases intramuscular creatine concentrations which may help explain the observed improvements in high intensity exercise performance leading to greater training adaptations. In addition to athletic and exercise improvement, research has shown that creatine supplementation may enhance post-exercise recovery, injury prevention, thermoregulation, rehabilitation, and concussion and/or spinal cord neuroprotection...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28611675/cardiac-autonomic-responses-during-exercise-and-post-exercise-recovery-using-heart-rate-variability-and-systolic-time-intervals-a-review
#15
REVIEW
Scott Michael, Kenneth S Graham, Glen M Davis
Cardiac parasympathetic activity may be non-invasively investigated using heart rate variability (HRV), although HRV is not widely accepted to reflect sympathetic activity. Instead, cardiac sympathetic activity may be investigated using systolic time intervals (STI), such as the pre-ejection period. Although these autonomic indices are typically measured during rest, the "reactivity hypothesis" suggests that investigating responses to a stressor (e.g., exercise) may be a valuable monitoring approach in clinical and high-performance settings...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28596270/timing-of-postexercise-carbohydrate-protein-supplementation-roles-of-gastrointestinal-blood-flow-and-mucosal-cell-damage-on-gastric-emptying-in-humans
#16
Hideaki Kashima, Nao Harada, Kanae Miyamoto, Masaki Fujimoto, Chiaki Fujita, Masako Yamaoka Endo, Toshio Kobayashi, Akira Miura, Yoshiyuki Fukuba
It is well known that protein ingestion immediately after exercise greatly stimulates muscle protein synthesis during the postexercise recovery phase. However, immediately after strenuous exercise, the gastrointestinal (GI) mucosa is frequently injured by hypoperfusion in the organ/tissue, possibly resulting in impaired GI function (e.g., gastric emptying; GE). The aim of this study was to examine the effect of GI blood flow on the GE rate. Eight healthy young subjects performed an intermittent supramaximal cycling exercise for 30 min, which consisted of a 120% V̇o2peak for 20 s, followed by 20 W for 40 s...
September 1, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28588499/intake-of-a-ketone-ester-drink-during-recovery-from-exercise-promotes-mtorc1-signaling-but-not-glycogen-resynthesis-in-human-muscle
#17
Tijs Vandoorne, Stefan De Smet, Monique Ramaekers, Ruud Van Thienen, Katrien De Bock, Kieran Clarke, Peter Hespel
Purpose: Ketone bodies are energy substrates produced by the liver during prolonged fasting or low-carbohydrate diet. The ingestion of a ketone ester (KE) rapidly increases blood ketone levels independent of nutritional status. KE has recently been shown to improve exercise performance, but whether it can also promote post-exercise muscle protein or glycogen synthesis is unknown. Methods: Eight healthy trained males participated in a randomized double-blind placebo-controlled crossover study. In each session, subjects undertook a bout of intense one-leg glycogen-depleting exercise followed by a 5-h recovery period during which they ingested a protein/carbohydrate mixture...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28579190/effect-of-low-level-laser-therapy-lllt-and-light-emitting-diodes-ledt-applied-during-combined-training-on-performance-and-post-exercise-recovery-protocol-for-a-randomized-placebo-controlled-trial
#18
Aryane Flauzino Machado, Jéssica Kirsch Micheletti, Franciele Marques Vanderlei, Fabio Yuzo Nakamura, Ernesto Cesar Pinto Leal-Junior, Jayme Netto Junior, Carlos Marcelo Pastre
BACKGROUND: Previous studies have shown positive results of phototherapy for improving performance and accelerating recovery; however, the effects of phototherapy during training and after a primary adaptation remain unclear. The aim of this randomized controlled trial is to analyze the effects of phototherapy and combined training on clinical, functional, and psychological outcomes and on vascular endothelial growth factor. METHODS: This randomized placebo-controlled trial by stratified sample will involve 45 healthy male participants...
July 2017: Brazilian Journal of Physical Therapy
https://www.readbyqxmd.com/read/28527012/effect-of-voluntary-hypocapnic-hyperventilation-or-moderate-hypoxia-on-metabolic-and-heart-rate-responses-during-high-intensity-intermittent-exercise
#19
Kohei Dobashi, Naoto Fujii, Kazuhito Watanabe, Bun Tsuji, Yosuke Sasaki, Tomomi Fujimoto, Satoru Tanigawa, Takeshi Nishiyasu
PURPOSE: To investigate the effect of voluntary hypocapnic hyperventilation or moderate hypoxia on metabolic and heart rate responses during high-intensity intermittent exercise. METHODS: Ten males performed three 30-s bouts of high-intensity cycling [Ex1 and Ex2: constant-workload at 80% of the power output in the Wingate anaerobic test (WAnT), Ex3: WAnT] interspaced with 4-min recovery periods under normoxic (Control), hypocapnic or hypoxic (2500 m) conditions...
August 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28515836/college-students-knowledge-of-recovery-beverage-serving-sizes
#20
Stephanie Lewis, Victoria Baxter, Kim Spaccarotella, Walter Andzel
Previous research suggests that chocolate milk may be a beneficial recovery beverage, yet little is known about how athletes and students training for careers in sports science or health-related fields interpret recommended recovery beverage serving sizes. This study examined college students' ability to correctly apply serving size recommendations for chocolate milk and protein powder used during post-exercise recovery and assessed usual consumption of milk as a recovery beverage. College students (34 women, 39 men) poured the amount of chocolate milk they would consume within 90 minutes after exercise unaided and with the use of a serving size guide...
2017: International Journal of Exercise Science
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