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Exercise recovery

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https://www.readbyqxmd.com/read/29222606/hypothalamic-pituitary-adrenal-hpa-axis-functioning-in-overtraining-syndrome-findings-from-endocrine-and-metabolic-responses-on-overtraining-syndrome-eros-eros-hpa-axis
#1
Flavio A Cadegiani, Claudio E Kater
BACKGROUND: Overtraining syndrome (OTS) results from excessive training load without adequate recovery and leads to decreased performance and fatigue. The pathophysiology of OTS in athletes is not fully understood, which makes accurate diagnosis difficult. Previous studies indicate that alterations in the hypothalamus-pituitary-adrenal (HPA) axis may be responsible for OTS; however, the data is not conclusive. This study aimed to compare, through gold standard and exercise-independent tests, the response of the HPA axis in OTS-affected athletes (OTS group) to healthy physically active subjects (ATL group) and healthy non-active subjects (NCS group)...
December 8, 2017: Sports Medicine—Open
https://www.readbyqxmd.com/read/29215751/proteomic-response-of-the-rat-liver-in-differential-swimming-modes
#2
Liang Chen, Yanhua Yang, Yiting Wang, Lipeng Qiu, Hengchuan Xia, Aiai Wang, Hailong Liu, Hongfei Shi, Keping Chen
Moderate exercise helps improve competition results, providing a balanced muscle tone and biochemical activity, whereas excessive training disrupts the balance between training and recovery, causes harm to the organism, and leads to overtraining syndrome (OTS). To explore the mechanisms of different protein expressions during training and acquisition of immunity, we used proteomic analyses to investigate the differences of liver-protein expressions between two swimming modes. Sprague-Dawley rats were randomly divided into control (CT), fatigue training (FT), and exhaustive training (ET) groups, and liver tissues from each group were subjected to two-dimensional electrophoresis (2DE)...
December 7, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29214623/core-temperature-responses-of-military-working-dogs-during-training-activities-and-exercise-walks
#3
Catherine O'Brien, Anthony J Karis, William J Tharion, Heather M Sullivan, Reed W Hoyt
Heat strain is common in military working dogs (MWDs), but can be mitigated by limiting duration of activity to avoid overheating and allowing sufficient time for recovery. To determine work/rest times for MWDs, temperature responses during training must be characterized. This study measured body core temperature of 48 MWDs at Lackland Air Force Base, San Antonio, TX. Twenty-four MWDs in training for patrol and detection activities participated under a range of ambient temperatures in August (27°C-32°C), October (22°C-26°C) and March (approximately 13°C)...
October 2017: U.S. Army Medical Department Journal
https://www.readbyqxmd.com/read/29214461/co-ingestion-of-protein-or-a-protein-hydrolysate-with-carbohydrate-enhances-anabolic-signaling-but-not-glycogen-resynthesis-following-recovery-from-prolonged-aerobic-exercise-in-trained-cyclists
#4
Karl E Cogan, Mark Evans, Enzo Iuliano, Audrey Melvin, Davide Susta, Karl Neff, Giuseppe De Vito, Brendan Egan
PURPOSE: The effect of carbohydrate (CHO), or CHO supplemented with either sodium caseinate protein (CHO-C) or a sodium caseinate protein hydrolysate (CHO-H) on the recovery of skeletal muscle glycogen and anabolic signaling following prolonged aerobic exercise was determined in trained male cyclists [n = 11, mean ± SEM age 28.8 ± 2.3 years; body mass (BM) 75.0 ± 2.3 kg; VO2peak 61.3 ± 1.6 ml kg-1 min-1]. METHODS: On three separate occasions, participants cycled for 2 h at ~ 70% VO2peak followed by a 4-h recovery period...
December 6, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29214460/blood-flow-restriction-late-in-recovery-after-heavy-resistance-exercise-hampers-muscle-recuperation
#5
Kestutis Bunevicius, Albinas Grunovas, Tomas Venckunas, Kristina Poderiene, Eugenijus Trinkunas, Jonas Poderys
PURPOSE: This study aimed to examine the effect of acute blood flow restriction during the late recovery phase between two resistance exercise bouts on muscular endurance and oxygenation. METHODS: Amateur male middle- and long-distance runners performed two bouts of one-leg dynamic plantar flexion exercise to failure with the load equivalent to 75% of maximum. Subjects were randomly assigned into two experimental groups with thigh occlusion pressure between bouts at either 120 or 200 mmHg with 20 min of passive rest in between, and two control groups without any blood flow restriction separated by either 5 or 20 min of rest...
December 6, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29212528/effectiveness-of-robot-assisted-training-added-to-conventional-rehabilitation-in-patients-with-humeral-fracture-early-after-surgical-treatment-protocol-of-a-randomised-controlled-multicentre-trial
#6
Corinna Nerz, Lars Schwickert, Clemens Becker, Stefan Studier-Fischer, Janina Anna Müßig, Peter Augat
BACKGROUND: The incidence of proximal humeral fractures increases with age. The functional recovery of the upper arm after such fractures is slow, and results are often disappointing. Treatment is associated with long immobilisation periods. Evidence-based exercise guidelines are missing. Loss of muscle mass as well as reduced range of motion and motor performance are common consequences. These losses could be partly counteracted by training interventions using robot-assisted arm support of the affected arm derived from neurorehabilitation...
December 6, 2017: Trials
https://www.readbyqxmd.com/read/29212435/adhesive-capsulitis-of-the-hip
#7
Hee Joong Kim, Jeong Joon Yoo, Hong Suk Kwak, Hyung Jun Jeong, Min Nyeon Kim, Wonyeong Seo
PURPOSE: Adhesive capsulitis of the hip (ACH) is not a well-defined disease entity. We evaluated the change in the clinical features of patients whose chief complaint was inability to sit cross-legged on the floor. All patients had painful limitation in hip joint motion. Based on the diagnosis of ACH, active stretching exercise (ASE) was recommended. METHODS: In February 2013 and June 2014, a total of 44 patients (50 hips), who visited outpatient clinic in 2011, were evaluated by telephone interviews...
September 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/29210958/the-reliability-and-validity-of-a-submaximal-warm-up-test-for-monitoring-training-status-in-professional-soccer-players
#8
Alireza Rabbani, Mehdi Kargarfard, Craig Twist
Two studies were conducted to assess the reliability and validity of a submaximal warm-up test (SWT) in professional soccer players. For the reliability study, 12 male players performed SWT over three trials, with one week between trials. For the validity study, 14 players of the same team performed SWT and 30-15 Intermittent Fitness Test (30-15IFT) 7 days apart. Week-to-week reliability in selected heart rate (HR) responses [exercise HR (HRex), HR recovery (HRR) expressed as the number of beats recovered within 1 min (HRR60s) and expressed as the mean HR during 1 min (HRpost1)], were determined using intraclass correlation coefficient (ICC) and typical error of measurement expressed as coefficient of variation (CV)...
November 27, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29208059/associations-of-the-serum-long-chain-n-3-pufa-and-hair-mercury-with-resting-heart-rate-peak-heart-rate-during-exercise-and-heart-rate-recovery-after-exercise-in-middle-aged-men
#9
Behnam Tajik, Sudhir Kurl, Tomi-Pekka Tuomainen, Kai Savonen, Jyrki K Virtanen
Long-chain n-3 PUFA from fish have been associated with lower risk of CVD. Fish may also contain methylmercury, which may attenuate the inverse associations of the long-chain n-3 PUFA. However, the mechanisms underlying these associations are not fully known. We evaluated the associations of the serum long-chain n-3 PUFA (EPA, DPA and DHA) and hair Hg with resting heart rate (HR), peak HR during cycle ergometer exercise and HR recovery after exercise. A total of 1008 men from the population-based Kuopio Ischaemic Heart Disease Risk Factor Study, aged 42-60 years and free of CVD, were studied...
December 6, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/29206781/perceptual-responses-to-high-and-moderate-intensity-interval-exercise-in-adolescents
#10
Adam A Malik, Craig A Williams, Kathryn L Weston, Alan R Barker
PURPOSE: High-intensity continuous exercise is proposed to evoke unpleasant sensations as predicted by the dual mode theory (DMT), and may negatively impact on future exercise adherence. Previous studies support unpleasant sensations in affective responses during continuous high-intensity exercise, but the affect experience during high-intensity interval exercise (HIIE) involving brief bursts of high-intensity exercise separated by low-intensity activity is poorly understood in adolescents...
December 2, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29206761/skeletal-muscle-mitochondrial-function-is-determined-by-burn-severity-sex-and-sepsis-and-is-associated-with-glucose-metabolism-and-functional-capacity-in-burned-children
#11
Victoria G Rontoyanni, Ioannis Malagaris, David N Herndon, Eric Rivas, Karel D Capek, Anahi D Delgadillo, Nisha Bhattarai, Armando Elizondo, Charles D Voigt, Celeste C Finnerty, Oscar E Suman, Craig Porter
BACKGROUND: Restoring normal mitochondrial function represents a new target for strategies aimed at mitigating the stress response to severe burn trauma and hastening recovery. Our objective was to investigate the determinants of skeletal muscle mitochondrial respiratory capacity and function and its association with glucose metabolism and functional capacity in burned children. METHODS: Data from burned children enrolled in the placebo arm of an ongoing prospective clinical trial were analyzed...
December 4, 2017: Shock
https://www.readbyqxmd.com/read/29204954/chronic-fluoxetine-induces-activity-changes-in-recovery-from-poststroke-anxiety-depression-and-cognitive-impairment
#12
Faranak Vahid-Ansari, Paul R Albert
Poststroke depression (PSD) is a common outcome of stroke that limits recovery and is only partially responsive to chronic antidepressant treatment. In order to elucidate changes in the cortical-limbic circuitry associated with PSD and its treatment, we examined a novel mouse model of persistent PSD. Focal endothelin-1-induced ischemia of the left medial prefrontal cortex (mPFC) in male C57BL6 mice resulted in a chronic anxiety and depression phenotype. Here, we show severe cognitive impairment in spatial learning and memory in the stroke mice...
December 4, 2017: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/29203796/aerobic-exercise-and-a-bdnf-mimetic-therapy-rescue-learning-and-memory-in-a-mouse-model-of-down-syndrome
#13
Martina Parrini, Diego Ghezzi, Gabriele Deidda, Lucian Medrihan, Enrico Castroflorio, Micol Alberti, Pietro Baldelli, Laura Cancedda, Andrea Contestabile
Down syndrome (DS) is caused by the triplication of human chromosome 21 and represents the most frequent genetic cause of intellectual disability. The trisomic Ts65Dn mouse model of DS shows synaptic deficits and reproduces the essential cognitive disabilities of the human syndrome. Aerobic exercise improved various neurophysiological dysfunctions in Ts65Dn mice, including hippocampal synaptic deficits, by promoting synaptogenesis and neurotransmission at glutamatergic terminals. Most importantly, the same intervention also prompted the recovery of hippocampal adult neurogenesis and synaptic plasticity and restored cognitive performance in trisomic mice...
December 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29203397/pro-arrhythmic-effects-of-low-plasma-k-in-human-ventricle-an-illustrated-review
#14
REVIEW
Beatriz Trenor, Karen Cardona, Lucia Romero, Juan F Gomez, Javier Saiz, Sridharan Rajamani, Luiz Belardinelli, Wayne Giles
Potassium levels in the plasma, [K+]o, are regulated precisely under physiological conditions. However, increases (from approx. 4.5 to 8.0mM) can occur as a consequence of, e.g., endurance exercise, ischemic insult or kidney failure. This hyperkalemic modulation of ventricular electrophysiology has been studied extensively. Hypokalemia is also common. It can occur in response to diuretic therapy, following renal dialysis, or during recovery from endurance exercise. In the human ventricle, clinical hypokalemia (e...
November 24, 2017: Trends in Cardiovascular Medicine
https://www.readbyqxmd.com/read/29200983/the-short-term-effect-of-high-versus-moderate-protein-intake-on-recovery-after-strength-training-in-resistance-trained-individuals
#15
Justin Roberts, Anastasia Zinchenko, Craig Suckling, Lee Smith, James Johnstone, Menno Henselmans
Background: Dietary protein intakes up to 2.9 g.kg-1.d-1 and protein consumption before and after resistance training may enhance recovery, resulting in hypertrophy and strength gains. However, it remains unclear whether protein quantity or nutrient timing is central to positive adaptations. This study investigated the effect of total dietary protein content, whilst controlling for protein timing, on recovery in resistance trainees. Methods: Fourteen resistance-trained individuals underwent two 10-day isocaloric dietary regimes with a protein content of 1...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/29200624/exercise-using-a-robotic-knee-orthosis-in-stroke-patients-with-hemiplegia
#16
Shuhei Iida, Dai Kawakita, Takuya Fujita, Hirohumi Uematsu, Takahisa Kotaki, Kikuko Ikeda, Chikara Aoki
[Purpose] The Robotics Knee Orthosis (RKO) is a knee-ankle-foot orthosis with active robot assisting technology. The purpose of this study is to examine the effects of exercise with the RKO (RKO-exercise) in stroke patients with hemiplegia. [Subjects and Methods] Participants were nine stroke patients with hemiplegia, residing in a convalescent rehabilitation ward. The duration of the RKO-exercise program was 10 days. Participants were evaluated three times prior to intervention, once after intervention, and one month post intervention...
November 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29199900/a-prescribed-walking-regimen-plus-arginine-supplementation-improves-function-and-quality-of-life-for-patients-with-pulmonary-arterial-hypertension-a-pilot-study
#17
Mary Beth Brown, Attie Kempf, Catherine M Collins, Gary M Long, Matthew Owens, Shikha Gupta, Yaron Hellman, Vincent Wong, Mark Farber, Tim Lahm
Current evidence suggests that exercise training is beneficial in pulmonary arterial hypertension (PAH). Unfortunately, the standard supervised, hospital-based programs limit patient accessibility to this important intervention. Our proof-of-concept study aimed to provide insight into the usefulness of a prescribed walking regimen along with arginine supplementation to improve outcomes for patients with PAH. Twelve PAH patients (all women) in New York Heart Association (NYHA) functional class (FC) II (n = 7) or III (n = 5) and in stable condition for ≥ 3 months were enrolled...
January 2018: Pulmonary Circulation
https://www.readbyqxmd.com/read/29199379/mini-subvastus-versus-medial-parapatellar-approach-for-total-knee-arthroplasty-a-prospective-randomized-controlled-study
#18
Ziyu Li, Wendan Cheng, Liangye Sun, Yunfeng Yao, Qiliang Cao, Shuming Ye, Lei Qi, Shenglin Xu, Xiaosan Wu, Juehua Jing
PURPOSE: Whether minimally invasive total knee arthroplasty (MIS-TKA) could offer better and faster recovery without the deviation of post-operative prosthesis position and limb alignment is still controversial. This prospective and randomized study was conducted to compare the clinical and radiological outcomes between patients who underwent the mini-subvastus approach of MIS-TKA and those who underwent the medial parapatellar approach of traditional TKA. METHODS: Fifty patients, including 50 knees, who required TKA due to osteoarthritis were randomized to the mini-subvastus group (group I) or the medial parapatellar group (group II)...
December 4, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/29199131/combined-therapy-involving-electroacupuncture-and-treadmill-exercise-attenuates-demyelination-in-the-corpus-callosum-by-stimulating-oligodendrogenesis-in-a-rat-model-of-neonatal-hypoxia-ischemia
#19
Malk Eun Pak, Da Hee Jung, Hong Ju Lee, Myung Jun Shin, Soo-Yeon Kim, Yong Beom Shin, Young Ju Yun, Hwa Kyoung Shin, Byung Tae Choi
We investigated whether electroacupuncture (EA) and treadmill (TM) exercise improve behaviors related to motor and memory dysfunction in a cerebral palsy-like rat model via activation of oligodendrogenesis. A neonatal hypoxia-ischemia model was created using Sprague-Dawley rats (P7), and these underwent EA stimulation and treadmill training from 3 to 5weeks after hypoxia-ischemia induction. EA treatment was delivered via electrical stimulation (2Hz, 1mA) at two acupoints, Baihui (GV20) and Zusanli (ST36). Behavioral tests showed that EA alleviated motor dysfunction caused by hypoxia-ischemia on a rotarod test, and TM exercise alleviated motor and memory dysfunction seen on cylinder and passive avoidance tests...
November 30, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/29192954/is-heart-rate-recovery-index-a-predictive-factor-for-cardioinhibitory-syncope
#20
Volkan Emren, Uğur Kocabaş
BACKGROUND: Cardionhibitory syncope is related with excessive bradycardia or asystole due to parasympathetic response. AIM: We investigated whether patients with cardioinhibitory syncope have higher heart rate recovery index (HRRi) considered as an parasympathetic system activation in exercises stress testing (EST) than other those with other neurogenic syncope forms METHODS: A total of 262 patients who had neurogenic syncope documented by head-up tilt test (HUTT) and 199 healthy control individuals were examined...
December 1, 2017: Kardiologia Polska
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