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https://www.readbyqxmd.com/read/28532013/exercise-enhance-the-ectopic-bone-formation-of-calcium-phosphate-biomaterials-in-muscles-of-mice
#1
Lijia Cheng, Shuo Yan, Jiang Zhu, Peiling Cai, Ting Wang, Zheng Shi
OBJECTIVE: To investigate whether exercise can enhance ectopic bone formation of calcium phosphate (Ca-P) biomaterials in muscles of mice. METHODS: Firstly, ten transient receptor potential vanilloid subfamily member 1 (TRPV1) knockout mice (group KO) and ten C57BL/6 mice (group WT) were randomly chosen, 10μg Ca-P biomaterials were implanted into the thigh muscle pouch of each mouse which was far away from femur; after that, all animals were kept in open field for free exploration 5min, and the movement time and distance were automatically analyzed...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28531821/examining-the-physical-health-and-lifestyle-of-young-people-at-ultra-high-risk-for-psychosis-a-qualitative-study-involving-service-users-parents-and-clinicians
#2
Rebekah Carney, Jack Cotter, Tim Bradshaw, Alison R Yung
Emerging evidence suggests young people at ultra-high risk for psychosis (UHR) are also at-risk for poor physical health, and display high rates of modifiable cardiometabolic risk factors. However, before we can develop effective interventions there is a need to understand factors affecting lifestyle choices in the UHR group. We conducted semi-structured qualitative interviews with 20 UHR individuals (50% male; mean age 21.7), 5 parents (4 mothers, 1 father), and 6 clinicians from early intervention services in the Northwest of England to identify barriers and facilitators to living a healthy lifestyle, including achieving regular exercise, eating well and refraining from excessive substance use...
May 16, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28531211/noninvasive-positive-pressure-ventilation-enhances-the-effects-of-aerobic-training-on-cardiopulmonary-function
#3
Takashi Moriki, Takeshi Nakamura, Yoshi-Ichiro Kamijo, Yukihide Nishimura, Motohiko Banno, Tokio Kinoshita, Hiroyasu Uenishi, Fumihiro Tajima
PURPOSE: The purpose of this study was to determine the effect of aerobic training under noninvasive positive pressure ventilation (NPPV) on maximal oxygen uptake ([Formula: see text]). METHODS: Ten healthy young male volunteers participated in the study. Before the training, stroke volume (SV) and cardiac output (CO) were measured in all subjects under 0, 4, 8, and 12 cmH2O NPPV at rest. Then, the subjects exercised on a cycle ergometer at 60% of pre-training [Formula: see text] for 30 min daily for 5 consecutive days with/without NPPV...
2017: PloS One
https://www.readbyqxmd.com/read/28531140/a-cuffless-blood-pressure-measurement-based-on-the-impedance-plethysmography-technique
#4
Shing-Hong Liu, Da-Chuan Cheng, Chun-Hung Su
In the last decade, cuffless blood pressure measurement technology has been widely studied because it could be applied to a wearable apparatus. Electrocardiography (ECG), photo-plethysmography (PPG), and phonocardiography are always used to detect the pulse transit time (PTT) because the changed tendencies of the PTT and blood pressure have a negative relationship. In this study, the PPG signal was replaced by the impedance plethysmography (IPG) signal and was used to detect the PTT. The placement and direction of the electrode array for the IPG measurement were discussed...
May 21, 2017: Sensors
https://www.readbyqxmd.com/read/28531094/cost-effectiveness-of-a-community-exercise-and-nutrition-program-for-older-adults-texercise-select
#5
Olufolake Odufuwa Akanni, Matthew Lee Smith, Marcia G Ory
The wide-spread dissemination of evidence-based programs that can improve health outcomes among older populations often requires an understanding of factors influencing community adoption of such programs. One such program is Texercise Select, a community-based health promotion program previously shown to improve functional health, physical activity, nutritional habits and quality of the life among older adults. This paper assesses the cost-effectiveness of Texercise Select in the context of supportive environments to facilitate its delivery and statewide sustainability...
May 20, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28530765/perioperative-physiotherapy-in-total-knee-arthroplasty
#6
Melvin G Joice, Subhrojyoti Bhowmick, Derek F Amanatullah
Total knee arthroplasty has a high success rate. In the interest of enhancing patient outcomes, numerous perioperative interventions have been studied, including preoperative education, preoperative rehabilitation, postoperative inpatient rehabilitation, continuous passive motion, postoperative outpatient rehabilitation, unsupervised in-home exercises, telerehabilitation, and various combinations of these. This comprehensive review analyzes the existing body of evidence on these perioperative interventions and examines some burgeoning opportunities in rehabilitation after total knee arthroplasty in the interest of improving patient outcomes and ensuring sustainable health care utilization for the future of total knee arthroplasty...
May 20, 2017: Orthopedics
https://www.readbyqxmd.com/read/28530517/contributions-of-body-composition-characteristics-to-critical-power-and-anaerobic-work-capacity
#7
M Travis Byrd, Jonathan Robert Switalla, Joel E Eastman, Brian J Wallace, Jody L Clasey, Haley C Bergstrom
Critical power (CP) and anaerobic work capacity (AWC) from the CP test represent distinct parameters related to metabolic characteristics of the whole body and active muscle tissue, respectively. PURPOSE: This study examined the contribution of whole body composition characteristics and local lean mass to further elucidate the differences in metabolic characteristics between CP and AWC as they relate to whole body and local factors. METHODS: Fifteen, anaerobically trained males were assessed for whole body (% body fat [%BF] and mineral-free, lean mass [LBM]) and local mineral-free thigh lean mass (TLM) composition characteristic...
May 22, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28530511/wnt-signaling-related-osteokines-and-transforming-growth-factors-before-and-after-a-single-bout-of-plyometric-exercise-in-child-and-adolescent-females
#8
Jennifer Dekker, Katlynne Nelson, Nigel Kurgan, Bareket Falk, Andrea Josse, Panagiota Klentrou
This study examined resting levels of catabolic and anabolic osteokines related to Wnt signaling and their responses to a single bout of plyometric exercise in child and adolescent females. Fourteen pre-menarcheal girls (10.5 ± 1.8 years old) and 12 post-menarcheal adolescent girls (15.0 ± 1.0 years old) performed a plyometric exercise trial. One resting and three post-exercise blood samples (5 min, 1h, 24h post-exercise) were analysed for sclerostin (SOST), dickkopf-1 (DKK-1), osteoprotegerin (OPG), receptor activator of nuclear factor kappa-β ligand (RANKL) and transforming growth factors (TGF-β1, TGF-β2 and TGF-β3)...
May 22, 2017: Pediatric Exercise Science
https://www.readbyqxmd.com/read/28530510/self-reported-physical-activity-and-exercise-patterns-in-children-with-sickle-cell-disease
#9
Osarhiemen A Omwanghe, Devin S Muntz, Soyang Kwon, Simone Montgomery, Opeyemi Kemiki, Lewis L Hsu, Alexis A Thompson, Robert I Liem
PURPOSE: Sickle cell disease (SCD) significantly affects physical functioning. We examined physical activity (PA) patterns in children with SCD versus a national sample and factors associated with PA and participation in physical education and organized sports. METHOD: One hundred children with SCD completed a 58-item survey with questions from the 2009-2010 National Health and Nutrition Examination Survey (NHANES) Physical Activity Questionnaire and others on physical education and sports, disease impact, and physical functioning...
May 22, 2017: Pediatric Exercise Science
https://www.readbyqxmd.com/read/28530505/ingestion-of-sodium-bicarbonate-nahco3-following-a-fatiguing-bout-of-exercise-accelerates-post-exercise-acid-base-balance-recovery-and-improves-subsequent-high-intensity-cycling-time-to-exhaustion
#10
Lewis A Gough, Steven Rimmer, Callum J Osler, Matthew F Higgins
This study evaluated the ingestion of sodium bicarbonate (NaHCO3) on post-exercise acid-base balance recovery kinetics and subsequent high-intensity cycling time to exhaustion. In a counterbalanced, crossover design, nine healthy and active males (age: 23±2 years, height: 179±5 cm, body mass: 74±9 kg, peak mean minute power (WPEAK) 256±45 W, peak oxygen uptake (V̇O2PEAK) 46±8 ml.kg(-1).min(-1)) performed a graded incremental exercise test, two familiarisation and two experimental trials. Experimental trials consisted of cycling to volitional exhaustion (TLIM1) at 100% WPEAK on two occasions (TLIM1 and TLIM2) interspersed by a 90 min passive recovery period...
May 22, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/28530489/optimizing-calf-muscle-pump-function
#11
Christopher R Lattimer, Claude Franceschi, Evi Kalodiki
Background The tip toe manoeuvre has been promoted as the gold standard plethysmography test for measuring calf muscle pump function. The aim was to compare the tip toe manoeuvre, dorsiflexion manoeuvre and a body weight transfer manoeuvre using the ejection fraction of air-plethysmography and evaluate which has the best pumping effect. Methods Sixty-six archived tracings on 22 legs were retrieved from an air-plethysmography workshop and analysed. Pumping performance was measured using the calf volume reduction after each manoeuvre...
January 1, 2017: Phlebology
https://www.readbyqxmd.com/read/28530485/energy-requirement-assessment-in-japanese-table-tennis-players-using-the-doubly-labeled-water-method
#12
Hiroyuki Sagayama, Genki Hamaguchi, Makiko Toguchi, Mamiko Ichikawa, Yosuke Yamada, Naoyuki Ebine, Yasuki Higaki, Hiroaki Tanaka
Total daily energy expenditure (TEE) and physical activity level (PAL) are important for adequate nutritional management in athletes. The PAL of table tennis has been estimated to about 2.0: it is categorized as a moderate-activity sport (4.0 metabolic equivalents [METs]) in the Compendium of Physical Activities. However, modern table tennis makes high physiological demands. The aims of the present study were to examine (1) TEE and PAL of competitive table tennis players and (2) the physiological demands of various types of table tennis practice...
May 22, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/28530476/time-trials-versus-time-to-exhaustion-tests-effects-on-critical-power-w-and-oxygen-uptake-kinetics
#13
Bettina Karsten, Jonathan Baker, Fernando Naclerio, Andreas Klose, Antonino Bianco, Alfred Nimmerichter
PURPOSE: To investigate single-day time-to-exhaustion (TTE) and time trial (TT) based laboratory tests values of critical power (CP), Wprime (W') and respective oxygen kinetics responses. METHODS: Twelve cyclists performed a maximal ramp test followed by three TTE and three TT efforts interspersed by a 60-min recovery between efforts. Oxygen uptake was measured during all trials. The mean response time (MRT) was calculated as a description of the overall V̇O2 kinetic response from the onset to 2 min of exercise...
May 22, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28530475/a-novel-electromyographic-approach-to-estimate-fatigue-threshold-in-maximum-incremental-strength-tests
#14
Jerónimo Aragón-Vela, Yaira Barranco-Ruiz, Cristina Casals, Julio Plaza-Díaz, Rafael A Casuso, Luis Fontana, Jesus R Huertas
Evaluation of muscular fatigue thresholds in athletes performing short-duration and explosive exercises is difficult due to the fact that classic parameters do not suffer large variations. Therefore, the aim of this study was to develop a new method to estimate the fatigue threshold in single muscles. Our approach is based on electromyographic data recorded during a maximun incremental strength test until the one repetition maximum (1RM) is reached. Ten men and ten women performed a half-squat strength test consisting of five incremental intensities of 1RM...
May 22, 2017: Motor Control
https://www.readbyqxmd.com/read/28530460/unravelling-motor-learning-processes-in-theatre-performers
#15
Emmanuel Jacobs, Ann Hallemans, Jan Gielen, Luc Van den Dries, Annouk Van Moorsel, Jonas Rutgeerts, Nathalie Roussel
Theatre performers, more than common actors, experience high physical loadings. This study aimed at analysing the motor behaviour ofnovice performers (dancers/actors who were introduced to the acting method of Jan Fabre), by investigating the kinematics of a physical acting exercises in a prospective study. Two measurement sessions were organised, before and after the novice performers (n = 13) took part in seven workshops. Total body kinematics were registered using a 3D motion capture system. By using a Principal Component Analysis (PCA), six factors were disseminated out of 30 kinematic parameters: Pelvic Motion, Speed of Progression, Lower Limb Position, Foot Motion, Lower Limb Motion and Trunk Position...
May 22, 2017: Motor Control
https://www.readbyqxmd.com/read/28530451/effect-of-high-volume-injection-platelet-rich-plasma-and-sham-treatment-in-chronic-midportion-achilles-tendinopathy-a-randomized-double-blinded-prospective-study
#16
Anders Ploug Boesen, Rudi Hansen, Morten Ilum Boesen, Peter Malliaras, Henning Langberg
BACKGROUND: Injection therapies are often considered alongside exercise for chronic midportion Achilles tendinopathy (AT), although evidence of their efficacy is sparse. PURPOSE: To determine whether eccentric training in combination with high-volume injection (HVI) or platelet-rich plasma (PRP) injections improves outcomes in AT. STUDY DESIGN: Randomized controlled trial; Level of evidence, 1. METHODS: A total of 60 men (age, 18-59 years) with chronic (>3 months) AT were included and followed for 6 months (n = 57)...
May 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28530448/carbohydrates-alone-or-mixing-with-beef-or-whey-protein-promote-similar-training-outcomes-in-resistance-training-males-a-double-blind-randomized-controlled-clinical-trial
#17
Fernando Naclerio, Marco Seijo-Bujia, Eneko Larumbe-Zabala, Conrad P Earnest
Beef powder is a new high-quality protein source scarcely researched relative to exercise performance. The present study examined the impact of ingesting hydrolyzed beef protein, whey protein, and carbohydrate on strength performance (1RM), body composition (via plethysmography), limb circumferences and muscular thickness (via ultrasonography), following an 8-week resistance-training program. After being randomly assigned to one of the following groups: Beef, Whey, or Carbohydrate, twenty four recreationally physically active males (n=8 per treatment) ingested 20 g of supplement, mixed with orange juice, once a day (immediately after workout or before breakfast)...
May 22, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/28530414/quality-charters-or-quality-members-a-control-theory-perspective-on-team-charters-and-team-performance
#18
Stephen H Courtright, Brian W McCormick, Sal Mistry, Jiexin Wang
Though prevalent in practice, team charters have only recently received scholarly attention. However, most of this work has been relatively devoid of theory, and consequently, key questions about why and under what conditions team charter quality affects team performance remain unanswered. To address these gaps, we draw on macro organizational control theory to propose that team charter quality serves as a team-level "behavior" control mechanism that builds task cohesion through a structured exercise. We then juxtapose team charter quality with an "input" team control mechanism that influences the emergence of task cohesion more organically: team conscientiousness...
May 22, 2017: Journal of Applied Psychology
https://www.readbyqxmd.com/read/28530381/diabetes-update-risk-factors-screening-diagnosis-and-prevention-of-type-2-diabetes
#19
Beth Choby
Type 2 diabetes (T2D) is the result of insulin resistance. Significant differences are noted in the prevalence of T2D among races. Screening recommendations vary by subspecialty society. Asian Americans should be screened for T2D at a lower body mass index (BMI) (ie, 23 kg/m(2)) than other racial groups. Risk factors for T2D include high-risk ethnicity, obesity, taking of certain drugs (including statins), and gestational diabetes. Health disparities and genetics also influence risk of T2D, although these complexities continue to be poorly understood...
May 2017: FP Essentials
https://www.readbyqxmd.com/read/28530142/a-targeted-self-management-approach-for-reducing-stroke-risk-factors-in-african-american-men-who-have-had-a-stroke-or-transient-ischemic-attack
#20
Martha Sajatovic, Curtis Tatsuoka, Elisabeth Welter, Kari Colon-Zimmermann, Carol Blixen, Adam T Perzynski, Shelly Amato, Jamie Cage, Johnny Sams, Shirley M Moore, Svetlana Pundik, Sophia Sundararajan, Charles Modlin, Cathy Sila
PURPOSE: This study compared a novel self-management (TargetEd MAnageMent Intervention [TEAM]) versus treatment as usual (TAU) to reduce stroke risk in African American (AA) men. DESIGN: Six-month prospective randomized controlled trial with outcomes evaluated at baseline, 3 months, and 6 months. SETTING: Academic health center. PARTICIPANTS: Thirty-eight (age < 65) AA men who had a stroke or transient ischemic attack and a Barthel index score of >60 were randomly assigned to TEAM (n = 19) or TAU (n = 19)...
January 1, 2017: American Journal of Health Promotion: AJHP
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