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Hit training

Jonas Verbrugghe, Anouk Agten, Bert O Eijnde, Enzo Olivieri, Xavier Huybrechts, Henk Seelen, Frank Vandenabeele, Annick Timmermans
BACKGROUND: Although low to moderate intensity exercise therapy is a predominant part of rehabilitation in nonspecific chronic low back pain (NSCLBP), effect sizes are small and optimal exercise modalities/intensities are unclear. Conversely, effects of high intensity training have not yet been investigated in this population. OBJECTIVE: The aim of this study is to investigate the feasibility of high intensity training (HIT) and to explore the magnitude of the effects of a HIT program may have on exercise capacity and disease related outcome measures compared to conventional therapy for persons with NSCLBP...
March 2, 2018: Journal of Back and Musculoskeletal Rehabilitation
Rasoul Rezaee, Sanaz Nasoohi, Abbas Haghparast, Fariba Khodagholi, Mohammadreza Bigdeli, Maryam Nourshahi
AIMS: Different modes of physical activity provide cerebrovascular protection against thromboembolic events. Based on recent reports high intensity exercise protocols appear to raise cerebral VEGF levels leading to efficient cerebral angiogenesis. The present study aims to address if moderate continuous training (MCT) and high intensity interval training (HIT) differ in preconditioning against ischemic stroke. METHODS: Wistar rats were subjected to HIT or MCT for 8 weeks before transient middle cerebral artery occlusion (tMCAO) surgery...
March 6, 2018: Life Sciences
Pierantonio Parmiani, Cristina Lucchetti, Gianfranco Franchi
Skilled reaching is a complex movement in which a forelimb is extended to grasp food for eating. Video-recordings analysis of control rats enables us to distinguish several components of skilled reaching: Orient, approaching the front wall of the reaching box and poking the nose into the slot to locate the food pellet; Transport, advancing the forelimb through the slot to reach-grasp the pellet; and Withdrawal of the grasped food to eat. Although food location and skilled reaching is guided by olfaction, the importance of whisker/nose tactile sense in rats suggests that this too could play a role in reaching behavior...
2018: Frontiers in Behavioral Neuroscience
Marianne Yardley, Lars Gullestad, Kari Nytrøen
One of the most important prognostic factors in heart failure patients is physical capacity. Patients with very poor physical performance and otherwise eligible, may be listed as candidates for heart transplantation (HTx). After such surgery, life-long immunosuppression therapy is needed to prevent rejection of the new heart. The dark side of immunosuppression is the increased risk of infections, kidney failure, cancer and advanced atherosclerosis (cardiac allograft vasculopathy), with the two latter conditions as the main causes of later mortality...
February 24, 2018: World Journal of Transplantation
Laeeq Ahmed, Valentin Georgiev, Marco Capuccini, Salman Toor, Wesley Schaal, Erwin Laure, Ola Spjuth
BACKGROUND: Docking and scoring large libraries of ligands against target proteins forms the basis of structure-based virtual screening. The problem is trivially parallelizable, and calculations are generally carried out on computer clusters or on large workstations in a brute force manner, by docking and scoring all available ligands. CONTRIBUTION: In this study we propose a strategy that is based on iteratively docking a set of ligands to form a training set, training a ligand-based model on this set, and predicting the remainder of the ligands to exclude those predicted as 'low-scoring' ligands...
March 1, 2018: Journal of Cheminformatics
Gabriella Tamburro, Patrique Fiedler, David Stone, Jens Haueisen, Silvia Comani
Background: EEG may be affected by artefacts hindering the analysis of brain signals. Data-driven methods like independent component analysis (ICA) are successful approaches to remove artefacts from the EEG. However, the ICA-based methods developed so far are often affected by limitations, such as: the need for visual inspection of the separated independent components (subjectivity problem) and, in some cases, for the independent and simultaneous recording of the inspected artefacts to identify the artefactual independent components; a potentially heavy manipulation of the EEG signals; the use of linear classification methods; the use of simulated artefacts to validate the methods; no testing in dry electrode or high-density EEG datasets; applications limited to specific conditions and electrode layouts...
2018: PeerJ
Khuram Khan, Saqib Saeed, Alexius Ramcharan, Sanjiv Gray
INTRODUCTION: Traumatic brain injury (TBI) is one of the main causes of morbidity and mortality in young trauma patients with resultant multi-organ effects. Hypopituitarism following TBI can be debilitating and life threatening. TBI which causes hypopituitarism may be characterized by a single head injury, such as from a motor vehicle accident, or by chronic repetitive head trauma, as seen in combative supports including boxing, kick-boxing, and football. In the majority of cases, a diagnosis of hypopituitarism can be entirely missed resulting in severe neuro-endocrine dysfunction...
February 9, 2018: International Journal of Surgery Case Reports
Władysław Jagiełło, Jagiełło Marina, Kalina Roman Maciej, Barczyński Bartłomiej Jan, Litwiniuk Artur, Klimczak Jarosław
Fencing is a combat sport whose form of direct confrontation involves hitting the opponent with a weapon. The purpose of the study was to determine the properties of body composition of female representatives of the Polish national fencing team. The study involved 11 female athletes of the Polish national fencing team. Their age was 16-22 years (19±2.32), body weight 52-78 kg (59.7±7.4), body height 158-183 cm (167.46±6.10) and the training experience 7.64±3.47 years. The reference group consisted of 153 students of Warsaw University of Technology (Poland)...
December 2017: Biology of Sport
Scott Sinnett, Cj Maglinti, Alan Kingstone
BACKGROUND: Grunting is pervasive in many athletic contests, and empirical evidence suggests that it may result in one exerting more physical force. It may also distract one's opponent. That grunts can distract was supported by a study showing that it led to an opponent being slower and more error prone when viewing tennis shots. An alternative explanation was that grunting masks the sound of a ball being hit. The present study provides evidence against this alternative explanation by testing the effect of grunting in a sport-mixed martial arts-where distraction, rather than masking, is the most likely mechanism...
2018: PloS One
Georges Jabbour, Horia-Daniel Iancu, Hassane Zouhal, Pascale Mauriège, Denis R Joanisse, Luc J Martin
Plasma volume (PV) is affected by several factors including age, physical training and, acutely, by exercise intensity. The purpose of this study was to investigate the effects of 6 weeks of high-intensity interval training (HIT) on PV and blood pressure (BP) changes among sedentary individuals. Thirty subjects aged between 18 and 71 years [body mass index=30.1(1.2) kg/m2 ] completed a 6-weeks HIT program. Anthropometric and fitness variables were obtained at pre- and post- HIT. PV variations during warm-up and after supramaximal cycling test (SCT) were calculated using two methods based on Hematocrit (Ht) and Hemoglobin (Hb) measures...
February 2018: Physiological Reports
Erika L Abramson, Monique M Naifeh, Michelle D Stevenson, Elizabeth Mauer, Hoda T Hammad, Linda M Gerber, Su-Ting T Li
OBJECTIVE: Participation in scholarly activity (SA) is an ACGME requirement. Yet, the authors' previous research with program directors (PDs) suggests pediatric SA training is variable and suboptimal. To help programs better meet requirements, our objective was to understand the resident perspective regarding SA training, including factors associated with satisfaction and productivity. METHODS: The authors conducted cross-sectional surveys of second and third year pediatric residents and PDs at 22 diverse programs in 2016...
February 12, 2018: Academic Pediatrics
Hongwei Gao
BACKGROUND: Tyrosinase plays a key role in the formation of skin melanin. The excessive accumulation of skin melanin will cause the serious aesthetic problems for human beings. HYPOTHESIS/PURPOSE: To find the potent tyrosinase inhibitors using computational simulation from TCM Database@Taiwan. STUDY DESIGN: Inhibitors of tyrosinase have been thought as potential drugs for the decrease of melanin synthesis in the process of pigmentation. To develop new tyrosinase inhibitors, we performed a virtual screening from Traditional Chinese medicine (TCM) and Druglike Databases using the best 3D QSAR pharmacophore model as a 3D search query...
January 1, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
Yan-Ying Ju, Yen-Hsiu Liu, Chih-Hsiu Cheng, Yu-Lung Lee, Shih-Tsung Chang, Chi-Chin Sun, Hsin-Yi Kathy Cheng
BACKGROUND: Data on visuomotor performance in combat training and the effects of combat training on visuomotor performance are limited. This study aimed to investigate the effects of a specially designed combat sports (CS) training program on the visuomotor performance levels of children. METHODS: A pre-post comparative design was implemented. A total of 26 students aged 9-12 years underwent 40-min CS training sessions twice a week for 8 weeks during their physical education classes...
February 7, 2018: BMC Pediatrics
Emily M Paolucci, Dessi Loukov, Dawn M E Bowdish, Jennifer J Heisz
BACKGROUND: Exercise may help to mitigate symptoms of depression by reducing inflammation; however, little is known about the influence of exercise intensity on depressed mood. METHODS: In the present study, sixty-one university students were assigned to six weeks of high-intensity interval training (HIT), moderate continuous training (MCT), or no exercise (CON) during their academic term. We measured changes in depression, anxiety and perceived stress along with pro-inflammatory cytokines tumor necrosis factor alpha (TNF-α), interleukin-6 (IL-6), interleukin-1 beta (IL-1β), and C-reactive protein (CRP)...
February 3, 2018: Biological Psychology
Marcelo T de Oliveira, Edson Katekawa
Quantitative structure-activity relationship (QSAR) has proved to be an invaluable tool in medicinal chemistry. Data availability at unprecedented levels through various databases have collaborated to a resurgence in the interest for QSAR. In this context, rapid generation of quality predictive models is highly desirable for hit identification and lead optimization. We showcase the application of an automated QSAR approach, which randomly selects multiple training/test sets and utilizes machine-learning algorithms to generate predictive models...
February 1, 2018: Future Medicinal Chemistry
Vicente Javier Clemente-Suárez, Juan Jaime Arroyo-Toledo
The aim of the present research was to analyze the autonomic response in a group of trained swimmers before and after conducting a 4-week period of high-intensity interval training (HIT). Heart rate variability was analyzed in 14 swimmers (16.2 ± 2.6 years, 169.1 ± 10.2 cm and 61.3 ± 9.9 kg) in basal condition and during a HIT session before and after completing a training period. The HIT session that was evaluated consisted of: 16 × 25 m maximum speed, resting 30 s between sets. Participants combined aerobic training with tethered swimming and HIT sessions three times per week in a period of 4 weeks...
January 25, 2018: Journal of Medical Systems
Maxwell W Libbrecht, Jeffrey A Bilmes, William Stafford Noble
Selecting a non-redundant representative subset of sequences is a common step in many bioinformatics workflows, such as the creation of non-redundant training sets for sequence and structural models or selection of "operational taxonomic units" from metagenomics data. Previous methods for this task, such as CD-HIT, PISCES and UCLUST, apply a heuristic threshold-based algorithm that has no theoretical guarantees. We propose a new approach based on submodular optimization. Submodular optimization, a discrete analogue to continuous convex optimization, has been used with great success for other representative set selection problems...
January 18, 2018: Proteins
Jackson J Fyfe, David J Bishop, Jonathan D Bartlett, Erik D Hanson, Mitchell J Anderson, Andrew P Garnham, Nigel K Stepto
Combining endurance training with resistance training (RT) may attenuate skeletal muscle hypertrophic adaptation versus RT alone; however, the underlying mechanisms are unclear. We investigated changes in markers of ribosome biogenesis, a process linked with skeletal muscle hypertrophy, following concurrent training versus RT alone. Twenty-three males underwent eight weeks of RT, either performed alone (RT group, n = 8), or combined with either high-intensity interval training (HIT+RT group, n = 8), or moderate-intensity continuous training (MICT+RT group, n = 7)...
January 12, 2018: Scientific Reports
Winde Jorissen, Tim Vanmierlo, Inez Wens, Veerle Somers, Bart Van Wijmeersch, Jeroen F Bogie, Alan T Remaley, Bert O Eijnde, Jerome J A Hendriks
Multiple sclerosis (MS) is an inflammatory auto-immune disease of the central nervous system (CNS). Serum glucose alterations and impaired glucose tolerance (IGT) are reported in MS patients, and are commonly associated with the development of cardio-metabolic co-morbidities. We previously found that a subgroup of MS patients shows alterations in their lipoprotein profile that are similar to a pre-cardiovascular risk profile. In addition, we showed that a high-intensity exercise training has a positive effect on IGT in MS patients...
January 8, 2018: International Journal of Molecular Sciences
Allen Flynn, Brent I Fox, Kevin A Clauson, Terry L Seaton, Elizabeth Breeden
Computerization is transforming health care while the quantity and complexity of biomedical knowledge rapidly grows. Today, all clinicians use health information technology (HIT), but only some pharmacists need to be cross-trained in "all" that advanced informatics entails so they can devise new and better information systems to support the pharmacy practice of the future. We propose a dual approach to informatics education in pharmacy: incorporate fundamental informatics education into pharmacy curricula for all students; and train some students interested in becoming informatics experts to design, develop, implement, and evaluate novel HIT for pharmacy...
November 2017: American Journal of Pharmaceutical Education
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