Read by QxMD icon Read

Power duration relationship

Thibault Warlop, Christine Detrembleur, Benjamin Bollens, Gaëtan Stoquart, Frédéric Crevecoeur, Anne Jeanjean, Thierry M Lejeune
OBJECTIVE: Gait instability and fall risk are major concerns in Parkinson's disease. This study shows that the temporal organization of gait variability can represent a marker of gait instability that complements standard assessment of motor deficits in Parkinson's disease. METHODS: Temporal organization (long-range autocorrelation; LRA) of stride duration variability, collected from 20 persons with Parkinson's disease walking overground at a comfortable speed, was studied...
October 13, 2016: Journal of Rehabilitation Medicine
Rudra Prasad Roy, Kaushik Ghosh, Manas Ghosh, Amitava Acharyya, Ambarish Bhattacharya, Mrinal Pal, Sisir Chakraborty, Nilanjan Sengupta
BACKGROUND: Long-term therapy with metformin was shown to decrease the Vitamin B12 level and manifested as peripheral neuropathy. AIM: The aim of this study is to define the prevalence of Vitamin B12 deficiency in early Type 2 diabetic patients (duration ≤5 years or drug treatment ≤3 years) and the relationship among metformin exposure and levels of cobalamin (Cbl), folic acid, and homocysteine (Hcy) with severity of peripheral neuropathy. METHODOLOGY: This is a cross-sectional study involving randomly selected ninety patients (male 56, female 34) between age groups of 35 and 70 years, comparing those who had received >6 months of metformin (Group A) (n = 35) with those without metformin (Group B) (n = 35) and patients taking metformin with other oral hypoglycemic agent (Group C) (n = 20)...
September 2016: Indian Journal of Endocrinology and Metabolism
Keith R Lohse, Sydney Y Schaefer, Adam C Raikes, Lara A Boyd, Catherine E Lang
BACKGROUND: This paper introduces a tool for streamlining data integration in rehabilitation science, the Centralized Open-Access Rehabilitation database for Stroke (SCOAR), which allows researchers to quickly visualize relationships among variables, efficiently share data, generate hypotheses, and enhance clinical trial design. METHODS: Bibliographic databases were searched according to inclusion criteria leaving 2,892 titles that were further screened to 514 manuscripts to be screened by full text, leaving 215 randomized controlled trials (RCTs) in the database (489 independent groups representing 12,847 patients)...
2016: Frontiers in Neurology
Ryan M Broxterman, Phillip F Skiba, Jesse C Craig, Samuel L Wilcox, Carl J Ade, Thomas J Barstow
The sustainable duration of severe intensity exercise is well-predicted by critical power (CP) and the curvature constant (W'). The development of the W'BAL model allows for the pattern of W' expenditure and reconstitution to be characterized and this model has been applied to intermittent exercise protocols. The purpose of this investigation was to assess the influence of relaxation phase duration and exercise intensity on W' reconstitution during dynamic constant power severe intensity exercise. Six men (24...
October 2016: Physiological Reports
Catriona A Burdon, Inge Spronk, Hoi Lun Cheng, Helen T O'Connor
BACKGROUND: Low glycemic index (GI) pre-exercise meals may enhance endurance performance by maintaining euglycemia and altering fuel utilization. However, evidence for performance benefits is equivocal. OBJECTIVE: To evaluate the effect of a low GI (LGI) versus a high GI (HGI) pre-exercise meal on endurance performance using meta-analyses. METHODS: Data sources included MEDLINE, SPORTDiscus, AUSPORT, AusportMed, Web of Science, and Scopus...
September 28, 2016: Sports Medicine
Donald R Mattison, Brittany Milton, Daniel Krewski, Len Levy, David C Dorman, Peter J Aggett, Harry A Roels, Melvin E Andersen, Nataliya A Karyakina, Natalia Shilnikova, Siva Ramoju, Doreen McGough
Characterizing the U-shaped exposure response relationship for manganese (Mn) is necessary for estimating the risk of adverse health from Mn toxicity due to excess or deficiency. Categorical regression has emerged as a powerful tool for exposure-response analysis because of its ability to synthesize relevant information across multiple studies and species into a single integrated analysis of all relevant data. This paper documents the development of a database on Mn toxicity designed to support the application of categorical regression techniques...
September 13, 2016: Neurotoxicology
Maamer Slimani, Bianca Miarka, Walid Briki, Foued Cheour
BACKGROUND: Kickboxing is a high-intensity intermittent striking combat sport, which is characterized by complex skills and tactical key actions with short duration. OBJECTIVES: The present study compared and verified the relationship between mental toughness (MT), countermovement jump (CMJ) and medicine ball throw (MBT) power tests by outcomes of high-level kickboxers during National Championship. MATERIALS AND METHODS: Thirty two high-level male kickboxers (winner = 16 and loser = 16: 21...
June 2016: Asian Journal of Sports Medicine
Fritz-Line Vélayoudom-Céphise, Kalina Rajaobelina, Catherine Helmer, Sovanndany Nov, Emilie Pupier, Laurence Blanco, Marie Hugo, Blandine Farges, Cyril Astrugue, Henri Gin, Vincent Rigalleau
BACKGROUND: We aimed to analyze the relationships between skin autofluorescence (SAF) and incident macrovascular events and renal impairment after 4 years of follow-up in patients with type 1 diabetes (T1D). METHODS: Two hundred and forty-three patients (51.2 ± 16.7 years old) with T1D participated. SAF was measured by AGE-Reader-TM at inclusion. Macrovascular events (MVE), estimated glomerular filtration rate (eGFR) and urinary albumin excretion rate (AER) were recorded then and 4 years later...
2016: Cardiovascular Diabetology
Kishani Townshend, Zoe Jordan, Matthew Stephenson, Komla Tsey
BACKGROUND: The rationale for undertaking this review was to investigate a potential strategy to address the rising prevalence of child and adolescent mental health disorders. The central tenants of mindful parenting appear to be emotional awareness, emotional regulation, attention regulation, intentionality and non-judgmental acceptance. OBJECTIVES: The primary objective of this review was to systematically evaluate the effectiveness of mindful parenting programs in promoting children's, adolescents' and parents' wellbeing, particularly in relation to the intensity of symptoms associated with internalizing (depression, anxiety, stress) and externalizing (conduct) disorders...
March 2016: JBI Database of Systematic Reviews and Implementation Reports
Marte Asphaug, Øyvind Skadberg, Ingvild Dalen, Kenneth Dickstein
AIMS: Natriuretic peptide (NP) levels are routinely employed as useful diagnostic and prognostic tools in the evaluation of patients with heart failure (HF). As hospitalization is the major consumer of healthcare resources, the prognostic power of admission NPs with regard to the duration of hospitalization deserves further investigation. METHODS AND RESULTS: We assessed retrospectively the association between NP values sampled shortly following unplanned admission and the duration of hospitalization in 2978 patients admitted to a cardiology department...
August 9, 2016: European Journal of Heart Failure
Annie Hogh, Paul Maurice Conway, Thomas Clausen, Ida Elisabeth Huitfeldt Madsen, Hermann Burr
BACKGROUND: The current understanding of the relationship between unwanted sexual attention at work and long-term sickness absence (LTSA) is limited for three reasons: 1) the under-researched role of unwanted sexual attention perpetrated by individuals outside the work organization; 2) a widespread use of self-reported measures of sickness absence, with an unclear identification of sickness absence episodes of long duration; 3) the cross-sectional design of most existing studies. The aim of this study was therefore to investigate the relationship between self-reported unwanted sexual attention at work and subsequent LTSA (≥3 weeks), stratifying by gender and source of exposure (i...
2016: BMC Public Health
Tatsuhiro Wada, Osamu Togao, Chiaki Tokunaga, Ryohei Funatsu, Yasuo Yamashita, Kouji Kobayashi, Yasuhiko Nakamura, Hiroshi Honda
PURPOSE: To evaluate the dependence of saturation pulse power and duration on glycosaminoglycan chemical exchange saturation transfer (gagCEST) imaging and assess the degeneration of human lumbar intervertebral discs (IVDs) using this method. MATERIALS AND METHODS: All images were acquired on a 3T magnetic resonance imaging (MRI) scanner. The CEST effects were measured in the glycosaminoglycan (GAG) phantoms with different concentrations. In the human study, CEST effects were measured in the nucleus pulposus of IVD...
July 20, 2016: Journal of Magnetic Resonance Imaging: JMRI
Malory Plummer, Annie Cossins
Various psychological theories exist in the literature to explain the behavior of men who commit child sex offences, including the belief that child sexual abuse (CSA) is a predisposing factor for the transition from victim to offender. These theories are, however, unable to explain the fact that while most victims of CSA are female, most perpetrators of CSA are male. The sex specificity of CSA in terms of victims and offenders suggests that the experience of CSA and its psychosocial effects may be different for boys, compared to girls...
July 19, 2016: Trauma, Violence & Abuse
Peng Dai, Xiaoqin Shi, Deguang Liu, Zhaohong Ge, Da Wang, Xinjia Dai, Zhihao Yi, Xiuxiang Meng
Phenotypic plasticity has recently been considered a powerful means of adaptation, but its relationships with corresponding life-history characters and plant specialization levels of insects have been controversial. To address the issues, Sitobion avenae clones from three plants in two areas were compared. Varying amounts of life-history trait plasticity were found among S. avenae clones on barley, oat and wheat. In most cases, developmental durations and their corresponding plasticities were found to be independent, and fecundities and their plasticities were correlated characters instead...
2016: Scientific Reports
Alejandra Vasquez, Alejandra Malavera, Deniz Doruk, Leon Morales-Quezada, Sandra Carvalho, Jorge Leite, Felipe Fregni
OBJECTIVE: To explore the duration of tPCS after effects given different durations of stimulation on power and interhemispheric coherence of the EEG frequency bands. Our hypothesis was that longer tPCS duration would induce a differential effect on the EEG analysis and a longer duration of after effects on the EEG frequency bands. MATERIALS AND METHODS: We conducted a double blind, sham controlled study in which forty healthy subjects were randomized to receive a single session of either 10, 20, 30 min of active (2 mA, random frequency between 6 and 10 Hz, ear clip montage) or sham tPCS...
July 11, 2016: Neuromodulation: Journal of the International Neuromodulation Society
O R Gibson, A G B Willmott, C James, M Hayes, N S Maxwell
Controlling internal temperature is crucial when prescribing exercise-heat stress, particularly during interventions designed to induce thermoregulatory adaptations. This study aimed to determine the relationship between the rate of rectal temperature (Trec) increase, and various methods for prescribing exercise-heat stress, to identify the most efficient method of prescribing isothermic heat acclimation (HA) training.Thirty-five males cycled in hot conditions (40°C, 39%R.H.) for 29±2 min. Subjects exercised at 60±9%V[Combining Dot Above]O2peak, with methods for prescribing exercise retrospectively observed for each participant...
June 29, 2016: Journal of Strength and Conditioning Research
Ulysses S Torres, Fabio L S Duran, Maristela S Schaufelberger, José A S Crippa, Mario R Louzã, Paulo C Sallet, Caroline Y O Kanegusuku, Helio Elkis, Wagner F Gattaz, Débora P Bassitt, Antonio W Zuardi, Jaime Eduardo C Hallak, Claudia C Leite, Claudio C Castro, Antonio Carlos Santos, Robin M Murray, Geraldo F Busatto
BACKGROUND: Structural brain abnormalities in schizophrenia have been repeatedly demonstrated in magnetic resonance imaging (MRI) studies, but it remains unclear whether these are static or progressive in nature. While longitudinal MRI studies have been traditionally used to assess the issue of progression of brain abnormalities in schizophrenia, information from cross-sectional neuroimaging studies directly comparing first-episode and chronic schizophrenia patients to healthy controls may also be useful to further clarify this issue...
2016: NeuroImage: Clinical
Emanuela Bellis, Carlo Alberto Scirè, Greta Carrara, Antonella Adinolfi, Alberto Batticciotto, Alessandra Bortoluzzi, Giovanni Cagnotto, Marta Caprioli, Marco Canzoni, Francesco Paolo Cavatorta, Orazio De Lucia, Valentina Di Sabatino, Antonella Draghessi, Georgios Filippou, Ilaria Farina, Maria Cristina Focherini, Alessandra Gabba, Marwin Gutierrez, Luca Idolazzi, Filippo Luccioli, Pierluigi Macchioni, Marco Sergio Massarotti, Claudio Mastaglio, Luana Menza, Maurizio Muratore, Simone Parisi, Valentina Picerno, Matteo Piga, Roberta Ramonda, Bernd Raffeiner, Daniela Rossi, Silvia Rossi, Paola Rossini, Garifallia Sakellariou, Crescenzio Scioscia, Carlo Venditti, Alessandro Volpe, Marco Matucci-Cerinic, Annamaria Iagnocco
OBJECTIVES: This study aimed to estimate the prevalence of US-detected tenosynovitis in RA patients in clinical remission and to explore its clinical correlates. METHODS: A total of 427 RA patients in clinical remission were consecutively enrolled from 25 Italian rheumatology centres. Tenosynovitis and synovitis were scored by US grey scale (GS) and power Doppler (PD) semi-quantitative scoring systems at wrist and hand joints. Complete clinical assessment was performed by rheumatologists blinded to the US results...
October 2016: Rheumatology
Rachel A Freedman, Kasisomayajula Viswanath, Ines Vaz-Luis, Nancy L Keating
Past examinations of breast cancer treatment barriers have typically included registry, claims-based, and smaller survey studies. We examined treatment barriers using a novel, comprehensive, social media analysis of online, candid discussions about breast cancer. Using an innovative toolset to search postings on social networks, message boards, patient communities, and topical sites, we performed a large-scale qualitative analysis. We examined the sentiments and barriers expressed about breast cancer treatments by Internet users during 1 year (2/1/14-1/31/15)...
July 2016: Breast Cancer Research and Treatment
Devin B Phillips, Michael K Stickland, Stewart R Petersen
The purposes of this experiment were to study physiological responses to graded exercise to exhaustion (Part I) and ventilatory responses during 45 min of exercise (Part II) with and without a 25-kg backpack. In Part I, on separate days, 24 females completed randomly ordered modified Balke treadmill tests. Analysis revealed significant decreases in absolute peak oxygen uptake (3.5%), peak power output (20%), and test duration (40%) under load. There was a significant but modest negative relationship between body mass and the change in test duration between conditions (r = -0...
July 2016: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"