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Journal of Exercise Nutrition & Biochemistry

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https://www.readbyqxmd.com/read/29370674/effects-of-acute-voluntary-loaded-wheel-running-on-bdnf-expression-in-the-rat-hippocampus
#1
Minchul Lee, Hideaki Soya
PURPOSE: Voluntary loaded wheel running involves the use of a load during a voluntary running activity. A muscle-strength or power-type activity performed at a relatively high intensity and a short duration may cause fewer apparent metabolic adaptations but may still elicit muscle fiber hypertrophy. This study aimed to determine the effects of acute voluntary wheel running with an additional load on brain-derived neurotrophic factor (BDNF) expression in the rat hippocampus. METHODS: Ten-week old male Wistar rats were assigned randomly to a (1) sedentary (Control) group; (2) voluntary exercise with no load (No-load) group; or (3) voluntary exercise with an additional load (Load) group for 1-week (acute period)...
December 31, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/29370673/arc-arg3-1-protein-expression-in-dorsal-hippocampal-ca1-a-candidate-event-as-a-biomarker-for-the-effects-of-exercise-on-chronic-stress-evoked-behavioral-abnormalities
#2
Yea-Hyun Leem, Hyukki Chang
PURPOSE: Chronic stress is a risk factor for behavioral deficits, including impaired memory processing and depression. Exercise is well known to have beneficial impacts on brain health. METHODS: Mice were forced to treadmill running (4-week) during chronic restraint stress (6h/21d), and then behavioral tests were conducted by Novel object recognition, forced swimming test: FST, sociality test: SI. Dissected brain was stained with anti-calbindin-d28k and anti-Arc antibodies...
December 31, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/29370672/weight-reduction-does-not-induce-an-undesirable-decrease-in-muscle-mass-muscle-strength-or-physical-performance-in-men-with-obesity-a-pilot-study
#3
Bokun Kim, Takehiko Tsujimoto, Rina So, Xiaoguang Zhao, Sechang Oh, Kiyoji Tanaka
PURPOSE: To date, there have been no reports on whether weight reduction causes decreases in muscle mass, muscle strength, or physical performance that could lead to health problems. Thus, in this pilot study, we investigated the appropriateness of the changes in muscle mass, muscle strength and physical performance after weight reduction. METHODS: Obese men who completed a weight reduction program to decrease and maintain a body mass index (BMI) of less than 25 kg/m2 for one year were recruited for the study...
December 31, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/29370671/the-synergistic-effect-of-protein-complex-supplementation-combined-with-12-weeks-of-resistance-training-on-isokinetic-muscular-function-in-untrained-young-males
#4
Jiwoong Jang, Hun-Young Park, Choongsung Yoo, Yeram Park, Jisu Kim, Kiwon Lim
PURPOSE: Resistance exercise training (RET) and an additional intake of dietary protein supplements may improve muscle mass and muscular function, and reduce inflammatory markers. The types, amount, and timing of dietary protein supplements are important for the synergistic effects of resistance training and dietary protein supplements. We hypothesized that a 25.1 g protein complex supplement taken for 12 weeks, immediately before and after resistance exercise, would enhance fat free mass and isokinetic muscular function in young untrained males...
December 31, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/29370670/comparison-of-body-composition-between-fashion-models-and-women-in-general
#5
Sunhee Park
PURPOSE: The present study compared the physical characteristics and body composition of professional fashion models and women in general, utilizing the skinfold test. METHODS: The research sample consisted of 90 professional fashion models presently active in Korea and 100 females in the general population, all selected through convenience sampling. Measurement was done following standardized methods and procedures set by the International Society for the Advancement of Kinanthropometry...
December 31, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/29370669/the-role-of-habitual-physical-activity-on-arterial-stiffness-in-elderly-individuals-a-systematic-review-and-meta-analysis
#6
Wonil Park, Hun-Young Park, Kiwon Lim, Jonghoon Park
PURPOSE: Physical inactivity behavior at middle age or older is a major risk factor for cardiovascular disease. However, the effects of levels of habitual physical activity on arterial stiffness in elderly population remain unclear currently. Therefore, the purpose of this study was to demonstrate whether the effects of habitual physical activity could attenuate arterial stiffness in elderly individuals via a meta-analysis. METHODS: We searched the Medline and Embase databases from January 1997 through November 2017, using the medical subject headings "older population", "physical activity" (e...
December 31, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/29370668/the-potential-role-of-exercise-in-chronic-stress-related-changes-in-ampa-receptor-phenotype-underlying-synaptic-plasticity
#7
Yea-Hyun Leem
PURPOSE: Chronic stress can cause disturbances in synaptic plasticity, such as longterm potentiation, along with behavioral defects including memory deficits. One major mechanism sustaining synaptic plasticity involves the dynamics and contents of α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptors (AMPARs) in the central nervous system. In particular, chronic stress-induced disruption of AMPARs includes it abnormal expression, trafficking, and calcium conductance at glutamatergic synapses, which contributes to synaptic plasticity at excitatory synapses...
December 31, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/29370667/nutritional-needs-in-the-professional-practice-of-swimming-a-review
#8
Raúl Domínguez, Antonio Jesús-Sánchez-Oliver, Eduardo Cuenca, Pablo Jodra, Sandro Fernandes da Silva, Fernando Mata-Ordóñez
PURPOSE: Swimming requires developing a high aerobic and anaerobic capacity for strength and technical efficiency. The purpose of this study was to establish the nutritional requirements and dietary strategies that can optimize swimming performance. METHODS: Several related studies retrieved from the databases, Dialnet, Elsevier, Medline, Pubmed, and Web of Science, through keyword search strategies were reviewed. RESULTS: The recommended carbohydrate intake ranges between 6-10-12 g/kg/d, protein 2 g/kg/d, and fat should surpass 20-25% of the daily intake...
December 31, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/29036767/the-role-of-glycation-in-the-pathogenesis-of-aging-and-its-prevention-through-herbal-products-and-physical-exercise
#9
Chan-Sik Kim, Sok Park, Junghyun Kim
PURPOSE: Advanced glycation end products (AGEs) are non-enzymatic modifications of proteins or lipids after exposure to sugars. In this review, the glycation process and AGEs are introduced, and the harmful effects of AGEs in the aging process are discussed. METHODS: Results from human and animal studies examining the mechanisms and effects of AGEs are considered. In addition, publications addressing means to attenuate glycation stress through AGE inhibitors or physical exercise are reviewed...
September 30, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/29036766/resistance-training-increases-fibroblast-growth-factor-21-and-irisin-levels-in-the-skeletal-muscle-of-zucker-diabetic-fatty-rats
#10
Hee-Jae Kim, Wook Song
PURPOSE: Although the fibroblast growth factor-21 (FGF-21) and irisin roles are well demonstrated in metabolic disease, there have been no reports investigating the effect of resistance exercise on FGF-21 and irisin levels in diabetic skeletal muscles. Therefore, this study aimed to investigate the change of FGF-21 and irisin levels in various skeletal muscles, and their association with muscle strength, following 8 weeks of resistance training using Zucker diabetic fatty rats (type 2 diabetic animal models)...
September 30, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/29036765/development-of-an-anaerobic-threshold-hrlt-hrvt-estimation-equation-using-the-heart-rate-threshold-hrt-during-the-treadmill-incremental-exercise-test
#11
Joo-Ho Ham, Hun-Young Park, Youn-Ho Kim, Sang-Kon Bae, Byung-Hoon Ko, Sang-Seok Nam
PURPOSE: The purpose of this study was to develop a regression model to estimate the heart rate at the lactate threshold (HRLT) and the heart rate at the ventilatory threshold (HRVT) using the heart rate threshold (HRT), and to test the validity of the regression model. METHODS: We performed a graded exercise test with a treadmill in 220 normal individuals (men: 112, women: 108) aged 20-59 years. HRT, HRLT, and HRVT were measured in all subjects. A regression model was developed to estimate HRLT and HRVT using HRT with 70% of the data (men: 79, women: 76) through randomization (7:3), with the Bernoulli trial...
September 30, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/29036764/hippotherapy-and-neurofeedback-training-effect-on-the-brain-function-and-serum-brain-derived-neurotrophic-factor-level-changes-in-children-with-attention-deficit-or-and-hyperactivity-disorder
#12
Namju Lee, Sok Park, Jongkyu Kim
PURPOSE: The purpose of this study was to investigate the effect of hippotherapy and electroencephalography (EEG) neurofeedback on brain function and blood brain-derived neurotrophic factor (BDNF) level in children with attention-deficit or/and hyperactivity disorder (ADHD). METHODS: Sixteen children with ADHD participated in this study and were randomly divided into 2 groups, a 1-time hippotherapy group (W1G, n = 8) and a 2-time hippotherapy group (W2G, n = 8)...
September 30, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/29036763/effect-of-treadmill-exercise-on-skeletal-muscle-autophagy-in-rats-with-obesity-induced-by-a-high-fat-diet
#13
Do Keun Cho, Dong Hun Choi, Joon Yong Cho
PURPOSE: This study aimed to investigate the effects of treadmill exercise on body weight, blood biochemistry, and autophagy. METHODS: Triglyceride, total cholesterol, low-density lipoprotein cholesterol, high-density lipoprotein cholesterol, insulin, and glucose levels were measured, the Homeostatic Model Assessment of Insulin Resistance (HOMA-IR) score was calculated, and the soleus muscle was analyzed for autophagy-related factors (Beclin-1, p62, LC3, Lamp-2) in rats with obesity induced by a high-fat diet...
September 30, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/29036762/low-intensity-aerobic-exercise-training-inhibition-of-skeletal-muscle-atrophy-in-high-fat-diet-induced-ovariectomized-rats
#14
Hye Jin Kim, Won Jun Lee
PURPOSE: Postmenopausal women are highly susceptible to diseases, such as obesity, type 2 diabetes, osteoporosis, or skeletal muscle atrophy and many people recognize the need for regular physical activity. Aerobic exercise training is known to improve the oxidative capacity and insulin sensitivity of skeletal muscles. This study aimed to investigate the role of low-intensity aerobic exercise training on skeletal muscle protein degradation or synthesis in the plantaris muscles of high-fat-fed ovariectomized rats...
September 30, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/29036761/effects-of-conjugated-linoleic-acid-n-3-and-resistance-training-on-muscle-quality-and-expression-of-atrophy-related-ubiquitin-ligases-in-middle-aged-mice-with-high-fat-dietinduced-obesity
#15
Seung-Lyul Oh, Sang-Rok Lee, Jeong-Su Kim
PURPOSE: To investigate the effects of conjugated linoleic acid (CLA)/n-3 supplements and resistance exercise training (RT) for 20 weeks on muscle quality and genes related to protein synthesis/degradation in middle-aged mice with high-fat diet (HFD)-induced obesity. METHODS: Nine-month-old C57BL/6 male mice were randomly assigned to five groups: 1) normal diet (C), 2) high-fat diet (H), 3) H+RT (HRT), 4) H+CLA/n-3 (H-CN), and 5) H+RT+CLA/n-3 (H-RTCN). HFD groups were given a diet containing 60% fat for 20 weeks, and exercised groups underwent progressive RT using weighted ladder climbing...
September 30, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/29036760/the-effects-of-downhill-and-uphill-exercise-training-on-osteogenesis-related-factors-in-ovariectomy-induced-bone-loss
#16
Yun-Seok Kang, Chun-Ho Kim, Jeong-Seok Kim
PURPOSE: Recent evidence suggests that regular exercise training plays a decisive role in maintaining homeostasis and promoting muscle and skeletal formation. However, the effect of downhill exercise training on osteogenesis-related factors is not well understood. METHODS: Thus, we investigated the effect of uphill and downhill training on ovariectomy (OVX)-induced bone loss. After ovary removal, the exercise method performed included uphill (16 m/min, +15°) and downhill training (16 m/min, -15°) for 60 min/day and 5 days/week, respectively, for 8 weeks...
September 30, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/28715887/pectin-lyase-modified-red-ginseng-extract-exhibits-potent-anti-glycation-effects-in-vitro-and-in-vivo
#17
Chan-Sik Kim, Kyuhyung Jo, Mi-Kyung Pyo, Jin Sook Kim, Junghyun Kim
PURPOSE: GS-E3D is a newly developed pectin lyase-modified red ginseng extract. The purpose of this study was to evaluate the inhibitory effects of GS-E3D against advanced glycation end products. METHODS: In this study, we evaluated the inhibitory effects of GS-E3D on the formation of advanced glycation end products (AGEs) and their cross-linking with collagen in vitro and in streptozotocin-induced diabetic rats. RESULTS: An in vitro assay for the glycation of bovine serum albumin by methylglyoxal showed that GS-E3D inhibited AGE formation at an IC50 value of 19...
June 30, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/28715886/effects-of-swimming-exercise-on-high-fat-diet-induced-low-bone-mineral-density-and-trabecular-bone-microstructure-in-rats
#18
Yun-Seok Kang, Sang-Hyun Kim, Jae-Cheol Kim
PURPOSE: This study aimed to investigate the effect of swimming exercise on high-fat diet-induced low bone mineral density (BMD) and trabecular bone microstructure in rats. METHODS: Eight-week-old male Sprague- Dawley (SD) rats were divided into a normal diet group (n = 9) and a high-fat diet group (n = 15). Three rats in each group were sacrificed after 8 weeks of high-fat diet to evaluate the association between high-fat diet and bone health. The other 18 rats were reassigned to 3 groups (normal diet control, NC; high-fat diet control, HC; high-fat diet + Exercise, HEx) for up to another 8 weeks...
June 30, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/28715885/the-effects-of-exercise-and-cold-exposure-on-mitochondrial-biogenesis-in-skeletal-muscle-and-white-adipose-tissue
#19
Nana Chung, Jonghoon Park, Kiwon Lim
PURPOSE: The purpose of this study was to determine whether exercise or/and cold exposure regulate mitochondria biogenesis-related gene expression in soleus and inguinal adipose tissue of mice. METHODS: Forty ICR 5-week old male mice were divided into four groups: thermoneutrality-untrained (23 ± 1 °C in room temperature, n=10), cold-water immersion (24 ± 1 °C, n=10), exercise in neutral temperature (34 ± 1 °C, n=10), and exercise in cold temperature (24 ± 1 °C, n=10)...
June 30, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/28715884/association-of-daily-physical-activity-level-with-health-related-factors-by-gender-and-age-specific-differences-among-korean-adults-based-on-the-sixth-2014-2015-korea-national-health-and-nutrition-examination-survey
#20
Nana Chung, Hun-Young Park, Mi-Young Park, Yoon-Young Hwang, Chi-Ho Lee, Jin-Soo Han, Jaemoo So, Jisu Kim, Jonghoon Park, Kiwon Lim
PURPOSE: This study examined the effects of daily physical activity level on health-related factors according to gender and identified age-specific differences among Korean adults. METHODS: Using data from the Korea National Health and Nutrition Examination Survey VI (2014-2015), we selected adults aged 19-64 years who participated in both a health examination and health interview survey. The study included 6,457 participants 19-64 years of age (2,611 men, 3,846 women)...
June 30, 2017: Journal of Exercise Nutrition & Biochemistry
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