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Muscle recovery

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https://www.readbyqxmd.com/read/29475207/the-impact-of-soccer-match-play-on-the-muscle-damage-response-in-youth-female-athletes
#1
Jonathan D Hughes, Katrina Denton, Rhodri S Lloyd, Jon L Oliver, Mark De Ste Croix
Post-match assessment of creatine kinase (CK) activity and delayed-onset muscle soreness (DOMS) are common markers of exercise-induced muscle damage and recovery status in soccer players. These responses have not been examined in youth female players. This study examined the effect of competitive match play on CK activity and DOMS in elite youth players. Thirty-four elite female players, divided into three chronological age groups (U13, n=11; U15, n=10; U17 n=12). Players completed baseline testing for CK and DOMS that was repeated immediately (for DOMS), 80, 128 and 168 h post-competitive match play for CK...
February 23, 2018: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29473893/restoration-of-muscle-glycogen-and-functional-capacity-role-of-post-exercise-carbohydrate-and-protein-co-ingestion
#2
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
https://www.readbyqxmd.com/read/29473846/epigallocatechin-gallate-reduces-ischemia-reperfusion-injury-in-isolated-perfused-rabbit-hearts
#3
Aida Salameh, Roxana Schuster, Ingo Dähnert, Johannes Seeger, Stefan Dhein
Cardioplegic arrest during heart operations is often used in cardiac surgery. During cardioplegia, the heart is subjected to a global ischemia/reperfusion-injury. (-)-epigallocatechin gallate (EGCG), one of the main ingredients of green tea, seems to be beneficial in various cardiac diseases. Therefore, the aim of our study was to evaluate EGCG in a rabbit model of cardioplegic arrest. Twenty four mature Chinchilla rabbits were examined. Rabbit hearts were isolated and perfused according to Langendorff. After induction of cardioplegia (without and with 20 µmol/L EGCG, n = 6 each) the hearts maintained arrested for 90-min...
February 23, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29472740/physiological-and-performance-changes-in-national-and-international-judo-athletes-during-block-periodization-training
#4
Lucas Marques, Emerson Franchini, Gustavo Drago, Marcelo S Aoki, Alexandre Moreira
Block periodization (BP) has been proposed as an alternative approach for application in the context of high-level sports. Despite its growing acceptance, there is no empirical evidence of BP adoption in high-level judo athletes. Therefore, this study aimed to compare the maximal strength, muscle power, judo-specific performances, and hormonal concentration changes of state/national level (NG) and international level (IG) judo athletes subjected to BP. Twenty-one elite judo athletes (international level = 10; 21...
December 2017: Biology of Sport
https://www.readbyqxmd.com/read/29471132/high-intensity-body-weight-training-is-comparable-to-combined-training-in-changes-in-muscle-mass-physical-performance-inflammatory-markers-and-metabolic-health-in-postmenopausal-women-at-high-risk-for-type-2-diabetes-mellitus-a-randomized-controlled-clinical
#5
Fernanda Maria Martins, Aletéia de Paula Souza, Paulo Ricardo Prado Nunes, Márcia Antoniazi Michelin, Eddie Fernando Candido Murta, Elisabete Aparecida Mantovani Rodrigues Resende, Erick Prado de Oliveira, Fábio Lera Orsatti
OBJECTIVE: This study compared the effects of 12 weeks of high-intensity interval body weight training (HIBWT) with combined training (COMT; aerobic and resistance exercises on body composition, a 6-minute walk test (6MWT; physical performance), insulin resistance (IR) and inflammatory markers in postmenopausal women (PW) at high risk of type 2 diabetes mellitus (TDM2). METHODS: In this randomized controlled clinical study, 16 PW at high risk of TDM2 were randomly allocated into two groups: HIBWT (n = 8) and COMT (n = 8)...
February 19, 2018: Experimental Gerontology
https://www.readbyqxmd.com/read/29470824/turning-up-the-heat-an-evaluation-of-the-evidence-for-heating-to-promote-exercise-recovery-muscle-rehabilitation-and-adaptation
#6
REVIEW
Hamish McGorm, Llion A Roberts, Jeff S Coombes, Jonathan M Peake
Historically, heat has been used in various clinical and sports rehabilitation settings to treat soft tissue injuries. More recently, interest has emerged in using heat to pre-condition muscle against injury. The aim of this narrative review was to collate information on different types of heat therapy, explain the physiological rationale for heat therapy, and to summarise and evaluate the effects of heat therapy before, during and after muscle injury, immobilisation and strength training. Studies on skeletal muscle cells demonstrate that heat attenuates cellular damage and protein degradation (following in vitro challenges/insults to the cells)...
February 22, 2018: Sports Medicine
https://www.readbyqxmd.com/read/29470148/voluntary-wheel-running-increases-satellite-cell-abundance-and-improves-recovery-from-disuse-in-gastrocnemius-muscles-from-mice
#7
Matthew J Brooks, Ameena Hajira, Junaith S Mohamed, Stephen E Alway
Reloading of atrophied muscles after hindlimb suspension unloading (HSU) can induce injury and prolong recovery. Low-impact exercise, such as voluntary wheel running, has been identified as a non-damaging rehabilitation therapy in rodents, but its effects on muscle function, morphology, and satellite cell activity after HSU are unclear. This study tested the hypothesis that low impact wheel running would increase satellite cell proliferation and improve recovery of muscle structure and function after HSU in mice...
February 22, 2018: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29469237/determination-of-15-polycyclic-aromatic-hydrocarbons-in-aquatic-products-by-solid-phase-extraction-and-gc-ms
#8
Qiying Liu, Yuanming Guo, Xiumei Sun, Qing Hao, Xin Cheng, Lu Zhang
We propose a method for the simultaneous determination of 15 kinds of polycyclic aromatic hydrocarbons in marine samples (muscle) employing gas chromatography with mass spectrometry after saponification reaction with ultrasonic and solid phase extraction. The experimental conditions were optimized by response surface method. In addition, the effects of different lye and extractants on polycyclic aromatic hydrocarbons extraction were discussed and the result was the saturated sodium carbonate was first used as the primary saponification reaction and extracted with 10 mL of ethyl acetate and the second time 1 mol/L of sodium hydroxide and 10 mL of n-hexane were used to achieve better results...
February 22, 2018: Journal of Separation Science
https://www.readbyqxmd.com/read/29468166/suspicion-of-postanesthetic-femoral-paralysis-of-the-non-dependent-limb-in-a-horse
#9
Alessandro Mirra, Micaël David Klopfenstein Bregger, Olivier Louis Levionnois
A 15-year-old Selle Francais gelding was presented to the equine referral hospital for treatment of a left guttural pouch mycosis previously diagnosed. After induction, the horse was shortly hoisted by all four feet, moved on a padded surgical table, and positioned in right lateral recumbency. In order to reduce the risk of bleeding during surgical manipulation of the carotid and maxillary arteries, a mean arterial pressure between 60 and 70 mmHg was targeted. After surgery, the horse was moved in a padded recovery box keeping the same lateral recumbency...
2018: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/29467022/recovery-of-muscle-function-after-deep-neuromuscular-block-by-means-of-diaphragm-ultrasonography-and-adductor-of-pollicis-acceleromyography-with-comparison-of-neostigmine-vs-sugammadex-as-reversal-drugs-study-protocol-for-a-randomized-controlled-trial
#10
Iacopo Cappellini, Fabio Picciafuochi, Daniele Ostento, Ginevra Danti, Angelo Raffaele De Gaudio, Chiara Adembri
BACKGROUND: The extensive use of neuromuscular blocking agents (NMBAs) during surgical procedures still leads to potential residual paralyzing effects in the postoperative period. Indeed, neuromuscular monitoring in an intra-operative setting is strongly advocated. Acetylcholinesterase inhibitors can reverse muscle block, but their short half-life may lead to residual curarization in the ward, especially when intermediate or long-acting NMBAs have been administered. Sugammadex is the first selective reversal drug for steroidal NMBAs; it has been shown to give full and rapid recovery of muscle strength, thus minimizing the occurrence of residual curarization...
February 21, 2018: Trials
https://www.readbyqxmd.com/read/29466686/divergent-effects-of-cold-water-immersion-versus-active-recovery-on-skeletal-muscle-fiber-type-and-angiogenesis-in-young-men
#11
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
https://www.readbyqxmd.com/read/29466312/split-ring-resonator-sensor-penetration-depth-assessment-using-in-vivo-microwave-reflectivity-and-ultrasound-measurements-for-lower-extremity-trauma-rehabilitation
#12
Syaiful Redzwan Mohd Shah, Jacob Velander, Parul Mathur, Mauricio D Perez, Noor Badariah Asan, Dhanesh G Kurup, Taco J Blokhuis, Robin Augustine
In recent research, microwave sensors have been used to follow up the recovery of lower extremity trauma patients. This is done mainly by monitoring the changes of dielectric properties of lower limb tissues such as skin, fat, muscle, and bone. As part of the characterization of the microwave sensor, it is crucial to assess the signal penetration in in vivo tissues. This work presents a new approach for investigating the penetration depth of planar microwave sensors based on the Split-Ring Resonator in the in vivo context of the femoral area...
February 21, 2018: Sensors
https://www.readbyqxmd.com/read/29463550/phase-ib-study-of-glasdegib-a-hedgehog-pathway-inhibitor-in-combination-with-standard-chemotherapy-in-patients-with-aml-or-high-risk-mds
#13
Michael R Savona, Daniel A Pollyea, Wendy Stock, Vivian G Oehler, Mark A Schroeder, Jeffrey E Lancet, James McCloskey, Hagop M Kantarjian, Weidong Wendy Ma, M Naveed Shaik, A Douglas Laird, Mirjana Zeremski, Ashleigh O'Connell, Geoffrey Chan, Jorge E Cortes
PURPOSE: This open-label, multicenter, dose-finding, phase Ib study (NCT01546038) evaluated the safety, pharmacokinetics, pharmacodynamics, and clinical activity of the novel Hedgehog pathway Smoothened inhibitor glasdegib (PF-04449913) in patients (N = 52) with acute myeloid leukemia (AML) or high-risk myelodysplastic syndrome (MDS). EXPERIMENTAL DESIGN: Glasdegib 100 or 200 mg was administered orally, once daily in 28-day cycles, in combination with low-dose cytarabine (arm A) or decitabine (arm B) to newly diagnosed patients considered not suitable for standard induction chemotherapy, and in combination with cytarabine/daunorubicin (arm C) to fit patients...
February 20, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29462969/milk-an-effective-recovery-drink-for-female-athletes
#14
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
https://www.readbyqxmd.com/read/29462924/achieving-optimal-post-exercise-muscle-protein-remodeling-in-physically-active-adults-through-whole-food-consumption
#15
REVIEW
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
https://www.readbyqxmd.com/read/29462923/the-effect-of-whey-protein-supplementation-on-the-temporal-recovery-of-muscle-function-following-resistance-training-a-systematic-review-and-meta-analysis
#16
REVIEW
Robert W Davies, Brian P Carson, Philip M Jakeman
Whey protein (WP) is a widely consumed nutritional supplement, known to enhance strength and muscle mass during resistance training (RT) regimens. Muscle protein anabolism is acutely elevated following RT, which is further enhanced by WP. As a result, there is reason to suggest that WP supplementation may be an effective nutritional strategy for restoring the acute loss of contractile function that occurs following strenuous RT. This systematic review and meta-analysis provides a synthesis of the literature to date, investigating the effect of WP supplementation on the recovery of contractile function in young, healthy adults...
February 16, 2018: Nutrients
https://www.readbyqxmd.com/read/29462474/acute-steroid-myopathy-a-highly-overlooked-entity
#17
Michal Haran, Ami Schattner, Natasha Kozak, Andras Mate, Alain Berrebi, Lev Shvidel
Background: Myopathy in patients being treated with corticosteroids is known primarily among chronically-treated patients or in critically ill and mechanically-ventilated patients receiving corticosteroids, often in high doses. Aim: To highlight the entity of acute, early-onset corticosteroid-treatment-associated myopathy and its characteristics. Design and Methods: Reporting our experience with four patients and reviewing all published reports of myopathy developing ≤14 days of initiating corticosteroid-treatment...
February 15, 2018: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/29461398/what-is-important-besides-getting-the-bone-to-heal-impact-on-tissue-injury-other-than-the-fracture
#18
Michael J Gardner, Thomas A Higgins, William H Harvin, James P Stannard, Mark A Lee, Brett D Crist
Fracture surgeons do a great job of managing bone issues, but they may overlook the associated soft tissue injuries that play a significant role in the final outcome after musculoskeletal injury. The soft tissue reconstruction ladder can help guide reconstructive procedures based on the least complex procedure that allows the best chance of fracture healing. Muscle injury, volume loss, and deconditioning occur with traumatic injury and during the recovery phase. Neuromuscular stimulation, nutrition, and strength training are potential ways to aid in recovery...
March 2018: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/29460723/model-of-traumatic-spinal-cord-injury-for-evaluating-pharmacologic-treatments-in-cynomolgus-macaques-macaca-fasicularis
#19
Nitin Seth, Heather A Simmons, Farah Masood, William A Graham, Douglas L Rosene, Susan V Westmoreland, Sheila M Cummings, Basia Gwardjan, Ervin Sejdic, Amber F Hoggatt, Dane R Schalk, Hussein A Abdullah, John B Sledge, Shanker Nesathurai
Here we present the results of experiments involving cynomolgus macaques, in which a model of traumatic spinal cord injury (TSCI) was created by using a balloon catheter inserted into the epidural space. Prior to the creation of the lesion, we inserted an EMG recording device to facilitate measurement of tail movement and muscle activity before and after TSCI. This model is unique in that the impairment is limited to the tail: the subjects do not experience limb weakness, bladder impairment, or bowel dysfunction...
February 1, 2018: Comparative Medicine
https://www.readbyqxmd.com/read/29460388/efficacy-safety-and-pharmacokinetics-of-a-new-high-purity-factor-x-concentrate-in-women-and-girls-with-hereditary-factor-x-deficiency
#20
Roshni Kulkarni, Andra H James, Miranda Norton, Amy Shapiro
BACKGROUND: A high-purity, plasma-derived factor X concentrate (pdFX) is approved to treat hereditary factor X deficiency, an autosomal recessive disorder. OBJECTIVE: Post hoc assessment of pdFX pharmacokinetics, safety, and efficacy in women and girls with hereditary factor X deficiency. PATIENTS/METHODS: Subjects aged ≥12 years with moderate/severe factor X deficiency (plasma factor X activity <5 IU/dL) received on-demand or preventive pdFX (25 IU/kg) for ≤2 years...
February 20, 2018: Journal of Thrombosis and Haemostasis: JTH
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