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https://www.readbyqxmd.com/read/28822112/effectiveness-of-resistance-circuit-based-training-for-maximum-oxygen-uptake-and-upper-body-one-repetition-maximum-improvements-a-systematic-review-and-meta-analysis
#1
REVIEW
Francisco Antonio Muñoz-Martínez, Jacobo Á Rubio-Arias, Domingo Jesús Ramos-Campo, Pedro E Alcaraz
BACKGROUND: It is well known that concurrent increases in both maximal strength and aerobic capacity are associated with improvements in sports performance as well as overall health. One of the most popular training methods used for achieving these objectives is resistance circuit-based training. OBJECTIVE: The objective of the present systematic review with a meta-analysis was to evaluate published studies that have investigated the effects of resistance circuit-based training on maximum oxygen uptake and one-repetition maximum of the upper-body strength (bench press exercise) in healthy adults...
August 18, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28821427/effects-of-different-strength-training-frequencies-on-maximum-strength-body-composition-and-functional-capacity-in-healthy-older-individuals
#2
Mari Turpela, Keijo Häkkinen, Guy Gregory Haff, Simon Walker
There is controversy in the literature regarding the dose-response relationship of strength training in healthy older participants. The present study determined training frequency effects on maximum strength, muscle mass and functional capacity over 6months following an initial 3-month preparatory strength training period. One-hundred and six 64-75year old volunteers were randomly assigned to one of four groups; performing strength training one (EX1), two (EX2), or three (EX3) times per week and a non-training control (CON) group...
August 15, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28820647/acute-fatigue-negatively-affects-risk-factors-for-injury-in-trained-but-not-well-trained-habitually-shod-runners-when-running-barefoot
#3
Nicholas Tam, Devon R Coetzee, Safwaan Ahmed, Robert P Lamberts, Yumna Albertus-Kajee, Ross Tucker
INTRODUCTION: Many factors may contribute to running-related injury. These include fatigue and footwear, the combination of which has rarely been studied, in particular with reference to barefoot running, recently advocated as a method to reduce injury risk. METHODS: Twenty-two runners (12 well-trained and 10 trained) participated in a 10 km fatiguing trial. Knee and ankle joint kinematics and kinetics and electromyography were assessed during overground running in the barefoot and shod condition...
August 18, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28819168/resistance-training-regulates-gene-expression-of-molecules-associated-with-intramyocellular-lipids-glucose-signaling-and-fiber-size-in-old-rats
#4
Manoel Benício Teixeira Ribeiro, Vinicius Guzzoni, Jeffrey M Hord, Gisele Nunes Lopes, Rita de Cássia Marqueti, Rosângela Vieira de Andrade, Heloisa Sobreiro Selistre-de-Araujo, João Luiz Q Durigan
Sarcopenia is a complex multifactorial process, some of which involves fat infiltration. Intramyocellular lipid (IMCL) accumulation is postulated to play a role on sarcopenia during aging, which is believed to be due alterations in glucose homeostasis in the skeletal muscle. Sarcopenia, along with intramuscular lipids, is associated with physical inactivity. Resistance training (RT) has been indicated to minimize the age-induced muscle skeletal adaptations. Thus, we aimed to investigate the effects of RT on mRNA levels of regulatory components related to intramyocellular lipid, glucose metabolism and fiber size in soleus and gastrocnemius muscles of aged rats...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28818710/multivariate-soil-fertility-relationships-for-predicting-the-environmental-persistence-of-2-4-6-trinitrotoluene-tnt-and-1-3-5-trinitro-1-3-5-tricyclohexane-rdx-among-taxonomically-distinct-soils
#5
Chelsea K Katseanes, Mark A Chappell, Bryan G Hopkins, Brian D Durham, Cynthia L Price, Beth E Porter, Lesley F Miller
After nearly a century of use in numerous munition platforms, TNT and RDX contamination has turned up largely in the environment due to ammunition manufacturing or as part of releases from low-order detonations during training activities. Although the basic knowledge governing the environmental fate of TNT and RDX are known, accurate predictions of TNT and RDX persistence in soil remain elusive, particularly given the universal heterogeneity of pedomorphic soil types. In this work, we proposed overcoming this problem by considering the environmental persistence of these munition constituents (MC) as multivariate mathematical functions over a variety of taxonomically distinct soil types, instead of a single constant or parameter of a specific absolute value...
August 14, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28817504/movement-demands-and-perceived-wellness-associated-with-pre-season-training-camp-in-ncaa-division-i-college-football-players
#6
Aaron D Wellman, Sam C Coad, Patrick J Flynn, Christopher P McLellan, Mike Climstein
The aims of the present study were to examine the movement demands of pre-season practice in National Collegiate Athletic Association (NCAA) division I college football players using portable global positioning system (GPS) technology and to assess perceived wellness associated with pre-season practice to determine if GPS-derived variables from the preceding day influence perceived wellness the following day. Twenty-nine players were monitored using GPS receivers (Catapult Innovations, Melbourne, Australia) during 20 pre-season practices...
July 5, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28817355/total-training-load-may-explain-similar-strength-gains-and-muscle-hypertrophy-seen-in-aged-rats-submitted-to-resistance-training-and-anabolic-steroids
#7
Walter Krause Neto, Wellington de Assis Silva, Adriano Polican Ciena, Danilo Bocalini, Ricardo Aparecido Baptista Nucci, Carlos Alberto Anaruma, Eliane Florencio Gama
This study aimed to quantify training parameters and analyze the morphological response of aged muscles submitted to resistance training and anabolic steroids. Aged Wistar rats were divided into groups: C - initial control; CF - final control; CAS - control with anabolic steroid, RT - resistance training, and RTA - resistance training with anabolic steroid. Maximum carried load, absolute and relative loads increased significantly in RT and RTA. RTA demonstrated greater relative load than RT. Average total volume, total climbing volume, relative total volume, relative total climbing volume, and mean climbing volume were similar between groups RT and RTA...
August 17, 2017: Aging Male: the Official Journal of the International Society for the Study of the Aging Male
https://www.readbyqxmd.com/read/28816931/effects-of-multicomponent-training-on-lean-and-bone-mass-in-postmenopausal-and-older-women-a-systematic-review
#8
Elena Marín-Cascales, Pedro E Alcaraz, Domingo J Ramos-Campo, Jacobo A Rubio-Arias
OBJECTIVE: The purpose of this systematic review was to update and examine to what extent multicomponent training interventions could improve lean and bone mass at different anatomical regions of the body in postmenopausal and older women. METHODS: A computerized literature search was performed in the following online databases: PubMed MEDLINE, Cochrane, and Web of Knowledge. The search was performed to include articles up until February 2017. The methodological quality of selected studies was evaluated using the Cochrane risk of bias tool...
August 14, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28815130/ground-truth-creation-for-complex-clinical-nlp-tasks-an-iterative-vetting-approach-and-lessons-learned
#9
Jennifer J Liang, Ching-Huei Tsou, Murthy V Devarakonda
Natural language processing (NLP) holds the promise of effectively analyzing patient record data to reduce cognitive load on physicians and clinicians in patient care, clinical research, and hospital operations management. A critical need in developing such methods is the "ground truth" dataset needed for training and testing the algorithms. Beyond localizable, relatively simple tasks, ground truth creation is a significant challenge because medical experts, just as physicians in patient care, have to assimilate vast amounts of data in EHR systems...
2017: AMIA Summits on Translational Science Proceedings
https://www.readbyqxmd.com/read/28813918/how-to-prepare-a-person-with-complete-spinal-cord-injury-to-use-surface-electrodes-for-fes-trike-cycling
#10
Raymond K Y Tong, Xiaojun Wang, Kenry W C Leung, Ginny T Y Lee, Cathy C Y Lau, H W Wai, Peter M K Pang, H C Leung
Functional Electrical Stimulation (FES) cycling could benefit people with Spinal Cord Injury (SCI). The FES cycling involves large muscle groups during the training, and thus improves the cardiovascular function, increases the muscle bulk and reduces the secondary complications. This study developed an outdoor FES exercise cycling system for complete SCI persons to exercise their lower limbs without putting extra load on upper extremities. The mechanical structure of the cycling system was specially redesigned to secure the SCI persons in the cycling system...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813882/validation-of-the-efficiency-of-a-robotic-rehabilitation-training-system-for-recovery-of-severe-plegie-hand-motor-function-after-a-stroke
#11
Hirofumi Tanabe, Munehiro Ikuta, Yoshifumi Morita
We have developed a rehabilitation training system called the Useful and Ultimate Rehabilitation System PARKO (UR System PARKO) to promote the recovery of motor function of the severe chronic plegic hand of stroke patients. This system was equipped with two functions to realize two conditions: (1) fixing of all fingers to a hyperextended position and (2) extending the elbow joint while applying resistance load to the fingertips. A clinical test was conducted with two patients to determine the therapeutic effect of the UR System PARKO for severe plegic hand...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813821/gait-training-assist-system-of-a-lower-limb-prosthetic-visualizing-muscle-activation-pattern-using-a-color-depth-sensor
#12
Kunihiro Ogata, Tomoki Mita, Toshiaki Tsuji, Yoshio Matsumoto
Some unilateral lower-limb amputees load the intact limb more than the prosthetic limb. This can cause chronic pains, fatigue, lumbago, and joint diseases, including knee osteoarthritis. To avoid and counteract these symptoms it is necessary to improve their asymmetric gait. Increasing the function of the hip abductor muscle is important to maintaining symmetrical weight distribution. Therefore, the purpose of this study is to develop a training assist system, which estimates and visualizes an abductor muscle by using a color-depth sensor...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813808/experimental-evaluation-of-a-semg-based-control-for-elbow-wearable-assistive-devices-during-load-lifting-tasks
#13
Roberto Meattini, Gianluca Palli, Claudio Melchiorri
In this work, a surface skin electromyography(sEMG)-based control solution for elbow wearable assistive devices during load lifting tasks is presented. The goal of the controller consists in limiting the user's muscle activity during the task execution, in such a way that the assistive device can partially compensate the load-related biceps muscle effort. Since sEMG-driven control strategies based on the estimation of the joint torques generally requires complex task- and subject-dependent training sessions for tuning the control algorithms, here a more direct control approach is proposed, based on a muscle activity error related proportional-integral action together with an double-threshold activation logic...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28812039/three-dimensional-biomechanical-analysis-of-rearfoot-and-forefoot-running
#14
Sebastian Knorz, Felix Kluge, Kolja Gelse, Stefan Schulz-Drost, Thilo Hotfiel, Matthias Lochmann, Björn Eskofier, Sebastian Krinner
BACKGROUND: In the running community, a forefoot strike (FFS) pattern is increasingly preferred compared with a rearfoot strike (RFS) pattern. However, it has not been fully understood which strike pattern may better reduce adverse joint forces within the different joints of the lower extremity. PURPOSE: To analyze the 3-dimensional (3D) stress pattern in the ankle, knee, and hip joint in runners with either a FFS or RFS pattern. STUDY DESIGN: Descriptive laboratory study...
July 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28811140/divergent-effects-of-resistance-training-and-anabolic-steroid-on-the-postsynaptic-region-of-different-skeletal-muscles-of-aged-rats
#15
Walter Krause Neto, Wellington de Assis Silva, Adriano Polican Ciena, Carlos Alberto Anaruma, Eliane Florencio Gama
This study aimed to analyze the effects of resistance training associated with testosterone administration in the neuromuscular junction (NMJ) postsynaptic region of different skeletal muscle types of aged rats. Wistar rats were divided into: SEI - 20-months-old control, SEF - 24-months-old control, T - 20-months-old with testosterone, S - 20-months-old resistance trained and ST - 20-months-old with resistance training associated with testosterone propionate. All groups were submitted to familiarization and maximum load carrying testing (MLCT)...
August 12, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28811138/intermittent-hypoxia-training-powerful-non-invasive-cerebroprotection-against-ethanol-withdrawal-excitotoxicity
#16
REVIEW
Marianna E Jung, Robert T Mallet
Ethanol intoxication and withdrawal exact a devastating toll on the central nervous system. Abrupt ethanol withdrawal provokes massive release of the excitatory neurotransmitter glutamate, which over-activates its postsynaptic receptors, causing intense Ca(2+) loading, p38 mitogen activated protein kinase activation and oxidative stress, culminating in ATP depletion, mitochondrial injury, amyloid β deposition and neuronal death. Collectively, these mechanisms produce neurocognitive and sensorimotor dysfunction that discourages continued abstinence...
August 12, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28811046/effect-of-real-time-biofeedback-on-peak-knee-adduction-moment-in-patients-with-medial-knee-osteoarthritis-is-direct-feedback-effective
#17
Rosie E Richards, Josien C van den Noort, Martin van der Esch, Marjolein J Booij, Jaap Harlaar
BACKGROUND: Gait modifications can reduce the knee adduction moment, a representation of knee loading. Reduced loading may help to slow progression of medial knee osteoarthritis. We aimed to investigate the response of patients with medial knee osteoarthritis to direct feedback on the knee adduction moment as a method for modifying the gait pattern, before and after training with specific gait modifications. METHODS: Forty patients with medial knee osteoarthritis underwent 3D gait analysis on an instrumented-treadmill, while receiving real-time feedback on the peak knee adduction moment...
July 13, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28810996/rhabdomyolysis-after-crawling-military-training
#18
Danit Atias-Varon, Haggai Sherman, Ran Yanovich, Yuval Heled
INTRODUCTION: Rhabdomyolysis is a syndrome characterized by muscle necrosis followed by release of intracellular muscle contents into the circulation. Exertional rhabdomyolysis (ER) occurs in response to nonfamiliar and/or excessive, prolonged, or repetitive exercises, with eccentric characteristics. In military populations, due to the type of intense, all out physical loads, ER is a significant threat, particularly when training under heat stress. However, many other etiologies exist, and clinical presentations vary greatly...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28806275/effects-of-creatine-and-carbohydrate-loading-on-cycling-time-trial-performance
#19
Kristyen A Tomcik, Donny M Camera, Julia L Bone, Megan L Ross, Nikki A Jeacocke, Bill Tachtsis, Joan Senden, Luc J C van Loon, John A Hawley, Louise M Burke
INTRODUCTION: Creatine- and carbohydrate-loading are dietary strategies used to enhance exercise capacity. This study examined the metabolic and performance effects of a combined creatine and CHO-loading regiment on time-trial (TT) cycling bouts. METHODS: Eighteen well-trained (~65mL[BULLET OPERATOR]kg[BULLET OPERATOR]min VO2peak) males completed three performance trials (PT) comprised of a 120-km cycling TT interspersed with alternating 1- and 4-km sprints (6 sprints each) performed every 10-km followed by an inclined ride to fatigue (~90% VO2peak)...
August 11, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28805930/reliability-of-the-qualitative-behavior-assessment-as-included-in-the-welfare-quality-assessment-protocol-for-growing-pigs
#20
I Czycholl, E Grosse Beilage, C Henning, J Krieter
Positive emotions constitute a very important part of animal welfare. They are, however, also the most challenging elements to be objectively measured. Due to its feasibility, the qualitative behavior assessment (QBA) is included in the Welfare Quality Assessment protocol for growing pigs as the animal-based measurement tool for positive emotions. Reliability testing on the QBA in the form as included in the protocols is, however, rare. Therefore, the present study aimed at the evaluation of the inter- and intraobserver as well as test-retest reliability of the QBA in growing pigs...
August 2017: Journal of Animal Science
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