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Strength and conditioning training

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https://www.readbyqxmd.com/read/28087891/physical-activity-and-exercise-for-chronic-pain-in-adults-an-overview-of-cochrane-reviews
#1
REVIEW
Louise J Geneen, R Andrew Moore, Clare Clarke, Denis Martin, Lesley A Colvin, Blair H Smith
BACKGROUND: Chronic pain is defined as pain lasting beyond normal tissue healing time, generally taken to be 12 weeks. It contributes to disability, anxiety, depression, sleep disturbances, poor quality of life, and healthcare costs. Chronic pain has a weighted mean prevalence in adults of 20%.For many years, the treatment choice for chronic pain included recommendations for rest and inactivity. However, exercise may have specific benefits in reducing the severity of chronic pain, as well as more general benefits associated with improved overall physical and mental health, and physical functioning...
January 14, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28069463/extinction-and-recovery-of-an-avoidance-memory-impaired-by-scopolamine
#2
N M Navarro, M C Krawczyk, M M Boccia, M G Blake
Pre-training administration of scopolamine (SCP) resembles situations of cholinergic dysfunction, leading to memory impairment of mice trained in an inhibitory avoidance task. We suggest here that SCP does not impair memory formation, but acquisition is affected in a way that reduces the strength of the stored memory, thus making this memory less able to control behavior when tested. Hence, a memory trace is stored, but is poorly expressed during the test. Although weakly expressed, this memory shows extinction during successive tests, and can be strengthened by using a reminder...
January 6, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28066520/gait-training-interventions-for-lower-extremity-amputees-a-systematic-literature-review
#3
M Jason Highsmith, Casey R Andrews, Claire Millman, Ashley Fuller, Jason T Kahle, Tyler D Klenow, Katherine L Lewis, Rachel C Bradley, John J Orriola
Lower extremity (LE) amputation patients who use prostheses have gait asymmetries and altered limb loading and movement strategies when ambulating. Subsequent secondary conditions are believed to be associated with gait deviations and lead to long-term complications that impact function and quality of life as a result. The purpose of this study was to systematically review the literature to determine the strength of evidence supporting gait training interventions and to formulate evidence statements to guide practice and research related to therapeutic gait training for lower extremity amputees...
September 2016: Technology and Innovation
https://www.readbyqxmd.com/read/28046992/th-cd-bra-10-towards-reference-dosimetry-of-mr-linacs-using-a-clinical-probe-format-calorimeter
#4
J Renaud, A Sarfehnia, S Woodings, J Kok, B van Asselen, J Wolthaus, B Raaymakers, J Seuntjens
PURPOSE: To evaluate the influence of a 1.5 T magnetic field (B-field) on the response of a small-scale graphite calorimeter probe (GPC) developed for use as a novel clinical reference dosimeter. Characterization of the GPC was also assessed in a hybrid MRI-linac (MRL) clinical prototype by performing absolute dosimetry in multiple detector orientations. METHODS: B-field influence was characterized using a variable-strength electromagnet system located 280 cm from the source of a clinical linac...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046006/suboptimal-criterion-learning-in-static-and-dynamic-environments
#5
Elyse H Norton, Stephen M Fleming, Nathaniel D Daw, Michael S Landy
Humans often make decisions based on uncertain sensory information. Signal detection theory (SDT) describes detection and discrimination decisions as a comparison of stimulus "strength" to a fixed decision criterion. However, recent research suggests that current responses depend on the recent history of stimuli and previous responses, suggesting that the decision criterion is updated trial-by-trial. The mechanisms underpinning criterion setting remain unknown. Here, we examine how observers learn to set a decision criterion in an orientation-discrimination task under both static and dynamic conditions...
January 3, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28043028/modulation-of-inflammatory-response-arising-from-high-intensity-intermittent-and-concurrent-strength-training-in-physically-active-males
#6
Paula Alves Monteiro, Eduardo Zapaterra Campos, Flaviane Poleto de Oliveira, Fernando Pierin Peres, José Cesar Rosa-Neto, Gustavo Duarte Pimentel, Fabio Santos Lira
The purposes of this study were to determine: (i) the extent of an acute session of high-intensity intermittent exercise (HIIE) followed by a concurrent strength session (Conc) on the increase of systemic inflammatory cytokines and chemokines, and (ii) whether eight weeks of high intensity interval training plus concurrent strength training alters the acute inflammatory response and immune status. Ten recreationally active males (aged 26.9±4.3years) performed two experimental exercise sessions interspersed by eight weeks of HIIT plus concurrent strength training...
December 30, 2016: Cytokine
https://www.readbyqxmd.com/read/28039087/inhibition-of-transcription-and-translation-in-the-striatum-after-memory-reactivation-lack-of-evidence-of-reconsolidation
#7
Roberto A Prado-Alcalá, Andrea Cristina Medina, Paola C Bello-Medina, Gina L Quirarte
It has been found that interference with neural activity after a consolidated memory is retrieved produces an amnestic state; this has been taken has indicative of destabilization of the memory trace that would have been produced by a process of reconsolidation (allowing for maintenance of the original trace). However, a growing body of evidence shows that this is not a reliable effect, and that it is dependent upon some experimental conditions, such as the age of the memory, memory reactivation procedures, the predictability of the reactivation stimulus, and strength of training...
December 27, 2016: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/28033124/variances-in-strength-and-conditioning-practice-in-elite-rugby-union-between-the-northern-and-southern-hemispheres
#8
Thomas W Jones, Andrew Smith, Lindsay S Macnaughton, Duncan N French
The strength and conditioning (S&C) practices in elite Rugby Union (RU) have previously been detailed. There is also research which indicates playing styles can differ between Northern hemisphere (NH) and Southern hemisphere (SH) teams. It is not presently known if these variances in playing styles are reflected in the S&C practices of those supporting NH and SH teams. As such, the present study examines any variances in S&C practices between those supporting NH and SH elite level teams. A validated questionnaire was employed that comprised 7 sections; personal details, physical testing, strength and power development, concurrent training, unique aspects of the programme and any further relevant information regarding prescribed training programmes...
December 20, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27999720/changes-in-dynamic-balance-and-hip-strength-after-an-eight-week-conditioning-program-in-ncaa-division-i-female-soccer-football-athletes
#9
Brandon M Ness, Brett A Comstock, William E Schweinle
BACKGROUND: Lower extremity injury commonly affects female soccer athletes. Decreased dynamic balance and hip strength are identified risk factors for lower extremity injury. Little is known about how these factors adapt to a training stimulus in this population. PURPOSE: To retrospectively investigate changes in lower extremity dynamic balance and isometric hip strength in Division I collegiate female soccer athletes after participating in an eight-week strength and conditioning program...
December 2016: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/27997673/functional-performance-differences-between-the-genium-and-c-leg-prosthetic-knees-and-intact-knees
#10
M Jason Highsmith, Jason T Kahle, Rebecca M Miro, M Elaine Cress, Derek J Lura, William S Quillen, Stephanie L Carey, Rajiv V Dubey, Larry J Mengelkoch
Microprocessor prosthetic knees (MPKs) have advanced technologically, offering new features to decrease impairment and activity limitations for persons with transfemoral amputation (TFA). The Genium knee is functionally untested, and functional differences between it and intact knees are unknown. This study sought to determine whether Genium use improves functional performance compared with the C-Leg. A randomized experimental crossover design was used, with a cross-section of five nonamputee controls for comparison to normal...
2016: Journal of Rehabilitation Research and Development
https://www.readbyqxmd.com/read/27990034/a-dynamic-bayesian-model-for-characterizing-cross-neuronal-interactions-during-decision-making
#11
Bo Zhou, David E Moorman, Sam Behseta, Hernando Ombao, Babak Shahbaba
The goal of this paper is to develop a novel statistical model for studying cross-neuronal spike train interactions during decision making. For an individual to successfully complete the task of decision-making, a number of temporally-organized events must occur: stimuli must be detected, potential outcomes must be evaluated, behaviors must be executed or inhibited, and outcomes (such as reward or no-reward) must be experienced. Due to the complexity of this process, it is likely the case that decision-making is encoded by the temporally-precise interactions between large populations of neurons...
2016: Journal of the American Statistical Association
https://www.readbyqxmd.com/read/27977518/effects-of-2-years-of-exercise-on-gait-impairment-in-people-with-parkinson-disease-the-pret-pd-randomized-trial
#12
Miriam R Rafferty, Janey Prodoehl, Julie A Robichaud, Fabian J David, Cynthia Poon, Lisa C Goelz, David E Vaillancourt, Wendy M Kohrt, Cynthia L Comella, Daniel M Corcos
BACKGROUND AND PURPOSE: This study presents a secondary analysis from the Progressive Resistance Exercise Training in Parkinson Disease (PRET-PD) trial investigating the effects of progressive resistance exercise (PRE) and a Parkinson disease (PD)-specific multimodal exercise program, modified Fitness Counts (mFC), on spatial, temporal, and stability-related gait impairments in people with PD. METHODS: Forty-eight people with PD were randomized to participate in PRE or mFC 2 times a week for 24 months; 38 completed the study...
January 2017: Journal of Neurologic Physical Therapy: JNPT
https://www.readbyqxmd.com/read/27964962/improving-community-ambulation-after-hip-fracture-protocol-for-a-randomised-controlled-trial
#13
D Orwig, K K Mangione, M Baumgarten, M Terrin, R Fortinsky, A M Kenny, A L Gruber-Baldini, B Beamer, Ana Tosteson, M Shardell, L Magder, E Binder, K Koval, B Resnick, R L Craik, J Magaziner
INTRODUCTION: After a hip fracture in older persons, significant disability often remains; dependency in functional activities commonly persists beyond 3 months after surgery. Endurance, dynamic balance, quadriceps strength, and function are compromised, and contribute to an inability to walk independently in the community. In the United States, people aged 65 years and older are eligible to receive Medicare funding for physiotherapy for a limited time after a hip fracture. A goal of outpatient physiotherapy is independent and safe household ambulation 2 to 3 months after surgery...
January 2017: Journal of Physiotherapy
https://www.readbyqxmd.com/read/27941006/constructing-diagnostic-likelihood-clinical-decisions-using-subjective-versus-statistical-probability
#14
John Kinnear, Ruth Jackson
BACKGROUND: Although physicians are highly trained in the application of evidence-based medicine, and are assumed to make rational decisions, there is evidence that their decision making is prone to biases. One of the biases that has been shown to affect accuracy of judgements is that of representativeness and base-rate neglect, where the saliency of a person's features leads to overestimation of their likelihood of belonging to a group. This results in the substitution of 'subjective' probability for statistical probability...
December 9, 2016: Postgraduate Medical Journal
https://www.readbyqxmd.com/read/27940303/neural-representation-of-a-melodic-motif-effects-of-polyphonic-contexts
#15
Madeline Huberth, Takako Fujioka
In music, a melodic motif is often played repeatedly in different pitch ranges and at different times. Event-related potential (ERP) studies have shown that the mismatch negativity (MMN) reflects memory trace processing that encodes two separate melodic lines ("voices") with different motifs. Here we investigated whether a single motif presented in two voices is encoded as a single entity or two separate entities, and whether motifs overlapping in time impede or enhance encoding strength. Electroencephalogram (EEG) from 11 musically-trained participants was recorded while they passively listened to sequences of 5-note motifs where the 5th note either descended (standard) or ascended (deviant) relative to the previous note (20% deviant rate)...
February 2017: Brain and Cognition
https://www.readbyqxmd.com/read/27930672/brain-connectivity-variation-topography-associated-with-working-memory
#16
Xiaofei Ma, Xiaolin Huang, Yun Ge, Yueming Hu, Wei Chen, Aili Liu, Hongxing Liu, Ying Chen, Bin Li, Xinbao Ning
Brain connectivity analysis plays an essential role in the research of working memory that involves complex coordination of various brain regions. In this research, we present a comprehensive view of trans-states brain connectivity variation based on continuous scalp EEG, extending beyond traditional stimuli-lock averaging or restriction to short time scales of hundreds of milliseconds after stimulus onset. The scalp EEG was collected under three conditions: quiet, memory, and control. The only difference between the memory and control conditions was that in the memory condition, subjects made an effort to retain information...
2016: PloS One
https://www.readbyqxmd.com/read/27928218/differential-effects-of-heavy-versus-moderate-loads-on-measures-of-strength-and-hypertrophy-in-resistance-trained-men
#17
Brad J Schoenfeld, Bret Contreras, Andrew D Vigotsky, Mark Peterson
The purpose of the present study was to evaluate muscular adaptations between heavy- and moderate-load resistance training (RT) with all other variables controlled between conditions. Nineteen resistance-trained men were randomly assigned to either a strength-type RT routine (HEAVY) that trained in a loading range of 2-4 repetitions per set (n = 10) or a hypertrophy-type RT routine (MODERATE) that trained in a loading range of 8-12 repetitions per set (n = 9). Training was carried out 3 days a week for 8 weeks...
December 2016: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/27928183/ismp-medication-error-report-analysis-reporting-and-second-order-problem-solving-can-turn-short-term-fixes-into-long-term-remedies-fifty-hospital-employees-given-insulin-instead-of-influenza-vaccine-reminder-eliminating-ratio-expressions-strength-confusion
#18
Michael R Cohen, Judy L Smetzer
These medication errors have occurred in health care facilities at least once. They will happen again-perhaps where you work. Through education and alertness of personnel and procedural-safeguards, they can be avoided. You should consider publishing accounts of errors in your newsletters and/or presenting them at your inservice training programs. Your assistance is required to continue this feature. The reports described here were receivedthrough the Institute for Safe Medication Practices (ISMP) Medication Errors Reporting Program...
November 2016: Hospital Pharmacy
https://www.readbyqxmd.com/read/27920726/hrvanalysis-a-free-software-for-analyzing-cardiac-autonomic-activity
#19
Vincent Pichot, Frédéric Roche, Sébastien Celle, Jean-Claude Barthélémy, Florian Chouchou
Since the pioneering studies of the 1960s, heart rate variability (HRV) has become an increasingly used non-invasive tool for examining cardiac autonomic functions and dysfunctions in various populations and conditions. Many calculation methods have been developed to address these issues, each with their strengths and weaknesses. Although, its interpretation may remain difficult, this technique provides, from a non-invasive approach, reliable physiological information that was previously inaccessible, in many fields including death and health prediction, training and overtraining, cardiac and respiratory rehabilitation, sleep-disordered breathing, large cohort follow-ups, children's autonomic status, anesthesia, or neurophysiological studies...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27899894/moderate-load-eccentric-exercise-a-distinct-novel-training-modality
#20
REVIEW
Hans Hoppeler
Over the last 20 years a number of studies have been published using progressive eccentric exercise protocols on motorized ergometers or similar devices that allow for controlled application of eccentric loads. Exercise protocols ramp eccentric loads over an initial 3 weeks period in order to prevent muscle damage and delayed onset muscle soreness. Final training loads reach 400-500 W in rehabilitative settings and over 1200 W in elite athletes. Training is typically carried out three times per week for durations of 20-30 min...
2016: Frontiers in Physiology
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