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https://www.readbyqxmd.com/read/27923177/the-effect-of-exergaming-on-knee-proprioception-in-older-men-a-randomized-controlled-trial
#1
Hassan Sadeghi, Mohammad Nazrul Hakim, Tengku Aizan Hamid, Saidon Bin Amri, Mohsen Razeghi, Mohammadreza Farazdaghi, Elham Shakoor
BACKGROUND: Proprioception is the ability to sense the body position, muscle sense, joint stability and posture. As balance decreases during the process of aging, knee proprioception has a critical role in body balance and daily activities. Exergaming has shown to be a potentially effective and more enjoyable form of exercise delivery. OBJECTIVE: The purpose of this study was to determine the effect of an 8-week Xbox Kinect exercise program on knee proprioception in healthy older adults...
November 23, 2016: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/27922941/exercise-training-ameliorates-glucosamine-induced-insulin-resistance-in-ovariectomized-rats
#2
Chung-Hwan Chen, Tsang-Hai Huang, Tsung-Lin Cheng, Chi-Fen Chang, Chau-Zen Wang, Meng-Hsing Wu, Lin Kang
OBJECTIVE: Glucosamine (GlcN), which has been reported to induce insulin resistance (IR), is a popular nutritional supplement used to treat osteoarthritis in menopausal women. We previously demonstrated that GlcN treatment caused IR in ovariectomized rats by reducing the expression of glucose transport protein subtype 4 (GLUT-4) in skeletal muscle. In the present study, we hypothesized that endurance exercise training can reverse GlcN-induced IR. METHODS: Fifty female rats were randomly divided into five groups with 10 rats in each group: (1) sham-operated group; (2) sham-operated group with GlcN treatment for 14 days; (3) ovariectomy (OVX) group; (4) OVX with GlcN treatment; and (5) OVX with GlcN treatment followed by exercise training (running program) for 8 weeks...
December 5, 2016: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/27922332/effect-of-moderate-and-high-intensity-chronic-exercise-on-the-pancreatic-islet-morphometry-in-healthy-rats-bdnf-receptor-participation
#3
Alberto Jiménez-Maldonado, Adolfo Virgen-Ortiz, Valery Melnikov, Alejandrina Rodríguez-Hernández, Armando Gamboa-Domínguez, Sergio Montero, Jesús Muñiz-Murguía, Mónica Lemus, Elena Roces de Álvarez-Buylla
A B S T R A C T The function and morphology of β-cells is largely dependent on insulin demand. As β-cells cover a bigger cell proportion in pancreas islets, changes of insulin producer cells affect the whole pancreatic islet morphology. Growth factors as the neurotrophins regulate the pancreas physiology, besides; physical exercise increases insulin sensitivity, and further modifies brain derived neurotrophic factor (BDNF) concentration in plasma. The aim of this study was to investigate the effects of chronic exercise (running in a treadmill for eight weeks) intensity on pancreatic islet morphometry in healthy state...
December 6, 2016: Islets
https://www.readbyqxmd.com/read/27922227/increasing-knowledge-and-confidence-in-behavioral-change-a-pilot-study
#4
Elizabeth P Frates, Ryan C Xiao, Kate Simeon, Tracie McCargo, Michelle Guo, Theodore A Stern
Objective: To assess whether and how effectively an interactive presentation about lifestyle medicine could impact the knowledge and attitudes of medical students to prepare them for managing chronic conditions in their patients. Chronic diseases are increasingly prevalent and problematic. Although chronic disease management involves lifestyle modification, few physicians are adequately trained in effective motivational interventions. Methods: We surveyed first- and second-year Harvard Medical School students in October 2015 before and after a presentation on lifestyle medicine and quantified changes in their knowledge, attitudes/confidence, and skills...
November 24, 2016: Primary Care Companion to CNS Disorders
https://www.readbyqxmd.com/read/27921457/impact-of-exercise-on-fecal-and-cecal-metabolome-over-aging-a-longitudinal-study-in-rats
#5
Olga Deda, Helen Gika, Theodoros Panagoulis, Ioannis Taitzoglou, Nikolaos Raikos, Georgios Theodoridis
AIM: Physical exercise can reduce adverse conditions during aging, while both exercise and aging act as metabolism modifiers. The present study investigates rat fecal and cecal metabolome alterations derived from exercise during rats' lifespan. METHODS & RESULTS: Groups of rats trained life-long or for a specific period of time were under study. The training protocol consisted of swimming, 15-18 min per day, 3-5 days per week, with load of 4-0% of rat's weight. Fecal samples and cecal extracts were analyzed by targeted and untargeted metabolic profiling methods (GC-MS and LC-MS/MS)...
January 2017: Bioanalysis
https://www.readbyqxmd.com/read/27920508/impact-of-whole-body-electromyostimulation-on-cardiometabolic-risk-factors-in-older-women-with-sarcopenic-obesity-the-randomized-controlled-formosa-sarcopenic-obesity-study
#6
Katharina Wittmann, Cornel Sieber, Simon von Stengel, Matthias Kohl, Ellen Freiberger, Franz Jakob, Michael Lell, Klaus Engelke, Wolfgang Kemmler
BACKGROUND: Sarcopenic obesity (SO) is characterized by a combination of low muscle and high fat mass with an additive negative effect of both conditions on cardiometabolic risk. The aim of the study was to determine the effect of whole-body electromyostimulation (WB-EMS) on the metabolic syndrome (MetS) in community-dwelling women aged ≥70 years with SO. METHODS: The study was conducted in an ambulatory university setting. Seventy-five community-dwelling women aged ≥70 years with SO living in Northern Bavaria, Germany, were randomly allocated to either 6 months of WB-EMS application with (WB-EMS&P) or without (WB-EMS) dietary supplementation (150 kcal/day, 56% protein) or a non-training control group (CG)...
2016: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/27920258/the-effects-of-three-different-exercise-modalities-on-markers-of-male-reproduction-in-healthy-subjects-a-randomized-controlled-trial
#7
Behzad Hajizadeh Maleki, Bakhtyar Tartibian, Mohammad Chehrazi
The aim of this study was to investigate the effects of moderate-intensity continuous training (MICT), high-intensity continuous training (HICT) and high-intensity interval training (HIIT) on markers of male reproduction including seminal markers of oxidative stress and inflammation as well as semen quality and sperm DNA integrity in healthy human subjects. A total of 397 healthy male volunteers were screened and 280 were randomly assigned to one of the MICT (n = 70), HICT (n = 70), HIIT (n = 70) and non-exercise (NON-EX, n = 70) groups...
February 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/27919245/one-day-workshop-based-training-improves-physical-activity-prescription-knowledge-in-latin-american-physicians-a-pre-test-post-test-study
#8
Maria C Arciniegas Calle, Felipe Lobelo, Mario A Jiménez, Diana C Páez, Sebastian Cortés, Andrés de Lima, John Duperly
BACKGROUND: The physical inactivity pandemic and related non-communicable diseases have made it imperative for medical doctors (MDs) to effectively provide lifestyle counseling as part of prevention and treatment plans for patients. A one-day certification workshop was designed to improve MDs PA prescription knowledge, as part of the Exercise is Medicine® (EIM®) global health initiative. The objective was to determine knowledge gain of MDs participating in a standardized, one-day PA prescription workshop performed throughout Latin America (LA)...
December 5, 2016: BMC Public Health
https://www.readbyqxmd.com/read/27918851/influence-of-a-100-m-simulated-in-water-rescue-on-cardiopulmonary-parameters
#9
Ana Sousa, Ricardo J Fernandes, Núria Rodríguez, J Arturo Abraldes
OBJECTIVE: Cardiopulmonary resuscitation (CPR) after a drowning episode is performed under fatigue conditions. However, the characterization of CPR in this context is still unknown. Our purpose was to investigate the effect of a 100-m simulated in-water rescue on CPR and physiological parameters in trained certified lifeguards. METHODS: Thirty trained certified lifeguards (age 24.6 ± 3.8 yrs; height 178.2 ± 7.4 cm and weight 76.9 ± 10.6 kg) completed two protocols using an adult manikin: (i) 4-min CPR after 4-min baseline conditions (CPR), and (ii) 4-min CPR after a 100-m simulated in-water rescue in the sea (CPR Rescue), both with a compression-ventilation ratio of 30:2...
December 5, 2016: Prehospital Emergency Care
https://www.readbyqxmd.com/read/27918705/whole-body-vibration-training-improves-heart-rate-variability-and-body-fat-percentage-in-obese-hispanic-postmenopausal-women
#10
Gregory Severino, Marcos Sanchez-Gonzalez, Michelle Walters-Edwards, Michael Nordvall, Oksana Chernykh, Jason Adames, Alexei Wong
The present study examined the effects of a 6-week whole body vibration training (WBVT) regimen on heart rate variability (HRV) and body composition in obese Hispanic postmenopausal women. Participants were randomly assigned to either WBVT (n=13) or non-exercising control group (n=14). HRV and body composition were measured before and after 6 weeks. There was a significant group x time interaction (P<0.05) for heart rate, sympathovagal balance and body fat percentage (BF%) such that all significantly decreased (P<0...
December 5, 2016: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/27918670/combined-plyometric-strength-training-improves-ice-hockey-players-on-ice-sprint
#11
Torstein E Dæhlin, Ole C Haugen, Simen Haugerud, Ivana Hollan, Truls Raastad, Bent R Rønnestad
: Combined plyometric and strength training have previously been suggested as a strategy to improve skating performance in ice hockey players. However, the effects of combined plyometric and strength training has not been previously been compared to the effects of strength training only. PURPOSE: To compare the effects of combined plyometric and strength training on ice hockey players' skating sprint performance with strength training only. METHODS: Eighteen participants were randomly assigned to two groups that completed 5 strength-training sessions per week for 8 weeks...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27918668/the-influence-of-changes-in-acute-training-load-on-daily-sensitivity-of-morning-measured-fatigue-variables-in-elite-soccer-players
#12
Robin T Thorpe, Anthony J Strudwick, Martin Buchheit, Greg Atkinson, Barry Drust, Warren Gregson
PURPOSE: To determine the sensitivity of a range of potential fatigue measures to daily training load accumulated over the previous two, three and four days during a short in-season competitive period in elite senior soccer players (n=10). METHODS: Total high-speed running distance, perceived ratings of wellness (fatigue, muscle soreness, sleep quality), counter-movement jump height (CMJ), submaximal heart rate (HRex), post-exercise heart rate recovery (HRR) and heart rate variability (HRV: Ln rMSSD) were analysed during an in-season competitive period (17 days)...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27918666/quantification-of-training-and-competition-loads-in-endurance-sports-methods-and-applications
#13
Iñigo Mujika
Training quantification is basic to evaluate an endurance athlete's responses to the training loads, ensure adequate stress/recovery balance and determine the relationship between training and performance. Quantifying both external and internal workload is important, because the external workload does not measure the biological stress imposed by the exercise sessions. Generally used quantification methods include retrospective questionnaires, diaries, direct observation and physiological monitoring, often based on the measurement of oxygen uptake, heart rate and blood lactate concentration...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27918663/comparison-of-critical-power-and-w-derived-from-two-or-three-maximal-tests
#14
Len Parker Simpson, Mehdi Kordi
PURPOSE: Typically, accessing the asymptote (Critical Power; CP) and curvature constant (W') parameters of the hyperbolic power-duration relationship requires multiple constant-power, exhaustive exercise trials, spread over several visits. However, more recently single-visit protocols and personal power meters have been used. We investigated the practicality of using a two-trial, single-visit protocol in providing reliable CP & W' estimates. METHODS: 8 trained cyclists underwent 3- and 12-min maximal exercise trials in a single session to derive (2-trial) CP & W' estimates...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27918660/vo2-at-maximal-and-supramaximal-intensities-lessons-to-high-interval-training-in-swimming
#15
Ana Sousa, João Paulo Vilas-Boas, Ricardo J Fernandes, Pedro Figueiredo
PURPOSE: To establish appropriate work intensity for interval training that would elicit maximal oxygen uptake (VO2max) for well-trained swimmers. METHODS: 12 male competitive swimmers completed an incremental protocol to determine the minimum velocity at VO2max (vVO2max) and, in randomized order, three square wave exercises from rest to 95, 100 and 105% of vVO2max. Temporal aspects of the VO2 response were examined in these latter. RESULTS: Swimming at 105% of vVO2max took less (p<0...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27918652/does-short-duration-heat-exposure-at-a-matched-cardiovascular-intensity-improve-intermittent-running-performance-in-a-cool-environment
#16
Calvin P Philp, Martin Buchheit, Cecilia M Kitic, Christopher T Minson, James W Fell
PURPOSE: To investigate whether a five-day cycling training block in the heat (35°C) in Australian rules footballers was superior to exercising at the same relative intensity in cool conditions (15°C) for improving intermittent running performance in a cool environment (<18°C). METHODS: Using a parallel-group design, 12 semi-professional football players performed five days of cycling exercise [70% heart rate reserve (HRR) for 45 min (5 x 50 min sessions in total)] in a hot (HEAT, 35±1°C, 56±9% RH) or cool environment (COOL, 15±3°C, 81±10% RH)...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27918079/high-intensity-treadmill-running-impairs-cognitive-behavior-and-hippocampal-synaptic-plasticity-of-rats-via-activation-of-inflammatory-response
#17
Li-Na Sun, Xiao-Long Li, Fei Wang, Jun Zhang, Dan-Dan Wang, Li Yuan, Mei-Na Wu, Zhao-Jun Wang, Jin-Shun Qi
Although appropriate exercise is beneficial for enhancing brain functions, high-intensity exercise (HIE)-induced cognitive dysfunction is causing more and more concerns nowadays. In the present study, we observed the effects of high-intensity treadmill running on the spatial learning of the adult Sprague Dawley male rats in Y-maze (n = 16 per group), and investigated its possible electrophysiological and molecular mechanisms by examining in vivo hippocampal long-term potentiation (LTP), central inflammatory responses, and JNK/p38/ERK signal pathway...
December 5, 2016: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/27917862/purslane-portulaca-oleracea-seed-consumption-and-aerobic-training-improves-biomarkers-associated-with-atherosclerosis-in-women-with-type-2-diabetes-t2d
#18
Firouzeh Dehghan, Rahman Soori, Khadijeh Gholami, Mitra Abolmaesoomi, Ashril Yusof, Sekaran Muniandy, Sara Heidarzadeh, Parvin Farzanegi, Mohammad Ali Azarbayjani
The aim of this study was to investigate the responses of atherosclerosis plaque biomarkers to purslane seed consumption and aerobic training in women with T2D. 196 women with T2D were assigned into; (1) placebo (PL), (2) aerobic training+placebo (AT + PL), 3) purslane seeds (PS), aerobic training+purslane seeds (AT + PS). The training program and purslane seeds consumption (2.5 g lunch and 5 g dinner) were carried out for 16 weeks. The components of purslane seed were identified and quantified by GC-MS...
December 5, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27917214/treadmill-walking-exercise-modulates-bone-mineral-status-and-inflammatory-cytokines-in-obese-asthmatic-patients-with-long-term-intake-of-corticosteroids
#19
Shehab M Abd El-Kader, Osama H Al-Jiffri, Eman M Ashmawy, Riziq Allah M Gaowgzeh
BACKGROUND: Obesity and asthma are an important public health problem in Saudi Arabia. An increasing body of data supports the hypothesis that obesity is a risk factor for asthma. Asthma appears to be associated with low bone mineral density (BMD) due to long-term use of corticosteroids. Studies recently showed that weight bearing exercise training can increase mineral bone density, reduce weight and improve metabolic control. OBJECTIVE: The present study aimed to measure the effects of treadmill walking exercises on bone mineral status and inflammatory cytokines in obese asthmatic patients treated with long term intake of corticosteroids...
September 2016: African Health Sciences
https://www.readbyqxmd.com/read/27916865/associations-of-vitamin-d-with-inter-and-intra-muscular-adipose-tissue-and-insulin-resistance-in-women-with-and-without-polycystic-ovary-syndrome
#20
David Scott, Anju Joham, Helena Teede, Melanie Gibson-Helm, Cheryce Harrison, Samantha Cassar, Samantha Hutchison, Peter R Ebeling, Nigel Stepto, Barbora de Courten
Low vitamin D and insulin resistance are common in polycystic ovary syndrome (PCOS) and associated with higher inter- and intra-muscular adipose tissue (IMAT). We investigated associations between vitamin D, IMAT and insulin resistance in a cross-sectional study of 40 women with PCOS and 30 women without PCOS, and pre- and post-exercise in a 12-week intervention in 16 overweight participants (10 with PCOS and six without PCOS). A non-classical body mass index (BMI) threshold was used to differentiate lean and overweight women (BMI ≥ 27 kg/m²)...
November 30, 2016: Nutrients
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