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Training body composition

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https://www.readbyqxmd.com/read/28081223/high-intensity-jump-training-is-tolerated-during-60-days-of-bed-rest-and-is-very-effective-in-preserving-leg-power-and-lean-body-mass-an-overview-of-the-cologne-rsl-study
#1
Andreas Kramer, Jakob Kümmel, Edwin Mulder, Albert Gollhofer, Petra Frings-Meuthen, Markus Gruber
PURPOSE: Space agencies are looking for effective and efficient countermeasures for the degrading effects of weightlessness on the human body. The aim of this study was to assess the effects of a novel jump exercise countermeasure during bed rest on vitals, body mass, body composition, and jump performance. METHODS: 23 male participants (29±6 years, 181±6 cm, 77±7 kg) were confined to a bed rest facility for 90 days: a 15-day ambulatory measurement phase, a 60-day six-degree head-down-tilt bed rest phase (HDT), and a 15-day ambulatory recovery phase...
2017: PloS One
https://www.readbyqxmd.com/read/28077934/serum-reference-value-of-two-potential-doping-candidates-myostatin-and-insulin-like-growth-factor-i-in-the-healthy-young-male
#2
Der-Sheng Han, Chi-Huang Huang, Ssu-Yuan Chen, Wei-Shiung Yang
BACKGROUND: Myostatin negatively regulates muscle growth, and its inhibition by suitable proteins can increase muscle bulk and exercise performance. However, the reference values of serum myostatin in athletes performing strength training are still lacking. METHODS: A cross-sectional study recruiting28 male collegiate athletes performing strength training and 29 age-matched normal controls was conducted. The serum concentration of myostatin and insulin-like growth factor 1 (IGF-1), grip strength, and body composition were the main outcome measures...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28070459/pre-versus-post-exercise-protein-intake-has-similar-effects-on-muscular-adaptations
#3
Brad Jon Schoenfeld, Alan Aragon, Colin Wilborn, Stacie L Urbina, Sara E Hayward, James Krieger
The purpose of this study was to test the anabolic window theory by investigating muscle strength, hypertrophy, and body composition changes in response to an equal dose of protein consumed either immediately pre- versus post-resistance training (RT) in trained men. Subjects were 21 resistance-trained men (>1 year RT experience) recruited from a university population. After baseline testing, participants were randomly assigned to 1 of 2 experimental groups: a group that consumed a supplement containing 25 g protein and 1 g carbohydrate immediately prior to exercise (PRE-SUPP) (n = 9) or a group that consumed the same supplement immediately post-exercise (POST-SUPP) (n = 12)...
2017: PeerJ
https://www.readbyqxmd.com/read/28068193/the-improvement-in-walking-speed-induced-by-resistance-training-is-associated-with-increased-muscular-strength-but-not-skeletal-muscle-mass-in-older-women
#4
Leandro Santos, Alex S Ribeiro, Brad J Schoenfeld, Matheus A Nascimento, Crisieli M Tomeleri, Mariana F Souza, Fábio L C Pina, Edilson S Cyrino
OBJECTIVE: The purpose of the present study was to analyze whether improvements in fast walking speed induced by resistance training (RT) are associated with changes in body composition, muscle quality, and muscular strength in older women. METHODS: Twenty-three healthy older women (69.6 ± 6.4 years, 64.95 ± 12.9 kg, 1.55 ± 0.07 m, 27.06 ± 4.6 kg/m²) performed a RT program for 8 weeks consisting of 8 exercises for the whole body, 3 sets of 10-15 repetitions maximum, 3 times a week...
January 9, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28060763/comparison-of-the-tumor-cell-secretome-and-patient-sera-for-an-accurate-serum-based-diagnosis-of-pancreatic-ductal-adenocarcinoma
#5
Shakhawan Mustafa, Longqiang Pan, Aseel Marzoq, Malak Fawaz, Laureen Sander, Felix Rückert, Andrea Schrenk, Christina Hartl, Rico Uhler, Adem Yildirim, Oliver Strobel, Thilo Hackert, Nathalia Giese, Markus W Büchler, Jörg D Hoheisel, Mohamed Saiel Saeed Alhamdani
Pancreatic cancer is the currently most lethal malignancy. Toward an accurate diagnosis of the disease in body liquids, we studied the protein composition of the secretomes of 16 primary and established cell lines of pancreatic ductal adenocarcinoma (PDAC). Compared to the secretome of non-tumorous cells, 112 proteins exhibited significantly different abundances. Functionally, the proteins were associated with PDAC features, such as decreased apoptosis, better cell survival and immune cell regulation. The result was compared to profiles obtained from 164 serum samples from two independent cohorts - a training and a test set - of patients with PDAC or chronic pancreatitis and healthy donors...
January 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28060442/effects-of-6%C3%A2-months-of-aerobic-and-resistance-exercise-training-on-carotid-artery-intima-media-thickness-in-overweight-and-obese-older-women
#6
Jinkee Park, Hyuntea Park
AIM: We studied the effects of exercise on carotid intima-media thickness, luminal diameter, and flow velocity in overweight and obese older women, and the associations between carotid parameters changes and other variables. METHODS: A total of 41 overweight and obese older women (aged 65-77 years, fat mass percent ≥ 32%), who were divided into a control group (n = 20) and a supervised combined exercise group (n = 21). The 24-week combined exercise program (aerobic and resistance exercise) consisted of sessions 40-80 min in length 5 days per week under the supervision of an exercise specialist...
January 6, 2017: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/28054255/evaluation-of-resistance-training-to-improve-muscular-strength-and-body-composition-in-cancer-patients-undergoing-neoadjuvant-and-adjuvant-therapy-a-meta-analysis
#7
REVIEW
Camila S Padilha, Poliana Camila Marinello, Daniel A Galvão, Robert U Newton, Fernando H Borges, Fernando Frajacomo, Rafael Deminice
PURPOSE: Muscle atrophy and strength decline are two of the most prominent characteristics in cancer patients undergoing cancer therapy, leading to decreased functional ability and reduced quality of life. Therefore, the aim is to systematically review research evidence of the effects of resistance exercise (RE) on lower-limb muscular strength, lean body mass (LBM), and body fat (BF) in cancer patients undertaking neoadjuvant or adjuvant therapy. METHODS: This research was conducted using the following online database: Clinical Trial Register, Cochrane Trial Register, PubMed, SPORT Discus, and SciELO, from September 2014 until May 2015...
January 4, 2017: Journal of Cancer Survivorship: Research and Practice
https://www.readbyqxmd.com/read/28050919/resistance-training-effects-on-metabolic-function-among-youth-a-systematic-review
#8
Jennifer W Bea, Robert M Blew, Carol Howe, Megan Hetherington-Rauth, Scott B Going
PURPOSE: This systematic review evaluates the relationship between resistance training and metabolic function in youth. METHODS: PubMed, Embase, Cochrane Library, Web of Science, CINAHL, and ClinicalTrials.gov were searched for articles that: (1) studied children; (2) included resistance training; (3) were randomized interventions; and (4) reported markers of metabolic function. The selected studies were analyzed using the Cochrane Risk-of-Bias Tool. RESULTS: Thirteen articles met inclusion criteria...
January 4, 2017: Pediatric Exercise Science
https://www.readbyqxmd.com/read/28050360/gender-difference-in-aerobic-capacity-and-the-contribution-by-body-composition-and-haemoglobin-concentration-a-study-in-young-indian-national-hockey-players
#9
Hanjabam Barun Sharma, Jyotsna Kailashiya
INTRODUCTION: Although gender difference in aerobic capacity is known, the contributing factors have been researched seldom. AIM: To investigate the gender gap and the contribution by percentage Body Fat (BF), Body Mass Index (BMI) and haemoglobin concentration Hb. MATERIALS AND METHODS: The study was conducted on 30 (17 males, 13 females) training status matched young hockey players. Healthy players who were playing upto national level competition were included...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28049525/nutrition-therapy-with-high-intensity-interval-training-to-improve-prostate-cancer-related-fatigue-in-men-on-androgen-deprivation-therapy-a-study-protocol
#10
Brenton J Baguley, Tina L Skinner, Michael D Leveritt, Olivia R L Wright
BACKGROUND: Cancer-related fatigue is one of the most prevalent, prolonged and distressing side effects of prostate cancer treatment with androgen deprivation therapy. Preliminary evidence suggests natural therapies such as nutrition therapy and structured exercise prescription can reduce symptoms of cancer-related fatigue. Men appear to change their habitual dietary patterns after prostate cancer diagnosis, yet prostate-specific dietary guidelines provide limited support for managing adverse side effects of treatment...
January 3, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28035445/effect-of-progressive-high-impact-exercise-on-femoral-neck-structural-strength-in-postmenopausal-women-with-mild-knee-osteoarthritis-a-12-month-rct
#11
J Multanen, T Rantalainen, H Kautiainen, R Ahola, T Jämsä, M T Nieminen, E Lammentausta, A Häkkinen, I Kiviranta, A Heinonen
: It is uncertain whether subjects with mild knee osteoarthritis, and who may be at risk of osteoporosis, can exercise safely with the aim of improving hip bone strength. This RCT showed that participating in a high-impact exercise program improved femoral neck strength without any detrimental effects on knee cartilage composition. INTRODUCTION: No previous studies have examined whether high-impact exercise can improve bone strength and articular cartilage quality in subjects with mild knee osteoarthritis...
December 29, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/28033057/calcaneal-bone-mass-modification-in-recreational-runners
#12
Elena Escamilla-Martínez, Alfonso Martínez-Nova, Beatriz Gómez-Martín, Raquel Sánchez-Rodríguez, Lourdes María Fernández-Seguín, Juan Diego Pedrera-Zamorano
BACKGROUND: The calcaneus is the bone of the foot that first receives the impact of running, generating vibrations that might have a positive effect in modifying the trabecular bone mass. The objective of this study was to determine the variation in calcaneal bone density in runners during a 6-month training season, comparing it with a control sample. METHODS: Bone density of the heel was measured in 33 male recreational runners by means of a contact ultrasonic bone analyzer...
November 2016: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/28031756/does-the-mthfr-a1298c-polymorphism-modulate-the-cardiorespiratory-response-to-training
#13
Paweł Cięszczyk, Aleksandra Zarębska, Zbigniew Jastrzębski, Michał Sawczyn, Izabela Kozakiewicz-Drobnik, Agata Leońska-Duniec, Mariusz Kaczmarczyk, Agnieszka Maciejewska-Skrendo, Piotr Żmijewski, Grzegorz Trybek, Wojciech Smółka, Jan Pilch, Katarzyna Leźnicka, Ewelina Lulińska-Kuklik, Marek Sawczuk, Myosotis Massidda
The 5,10-methylenetetrahydrofolate reductase gene (MTHFR) A1298C polymorphic variant is a candidate to explain the individual differences in trainability and response to exercise training. Therefore, the aim of the study was to verify whether the A1298C polymorphism influenced the aerobic and anaerobic performance as well as body and mass composition in young Polish women following low-high impact aerobic exercise training. Two hundred and one women aged 21 ± 1 years (range 19-24) were included in the study...
December 1, 2016: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28028619/effects-of-protein-carbohydrate-supplementation-on-immunity-and-resistance-training-outcomes-a-double-blind-randomized-controlled-clinical-trial
#14
Fernando Naclerio, Eneko Larumbe-Zabala, Nadia Ashrafi, Marco Seijo, Birthe Nielsen, Judith Allgrove, Conrad P Earnest
PURPOSE: To examine the impact of ingesting hydrolyzed beef protein, whey protein, and carbohydrate on resistance training outcomes, body composition, muscle thickness, blood indices of health and salivary human neutrophil peptides (HNP1-3), as reference of humoral immunity followed an 8-week resistance training program in college athletes. METHODS: Twenty-seven recreationally physically active males and females (n = 9 per treatment) were randomly assigned to one of the three groups: hydrolyzed beef protein, whey protein, or non-protein isoenergetic carbohydrate...
December 27, 2016: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28026901/the-effect-of-exercise-on-body-composition-and-bone-mineral-density-in-breast-cancer-survivors-taking-aromatase-inhibitors
#15
Gwendolyn A Thomas, Brenda Cartmel, Maura Harrigan, Martha Fiellin, Scott Capozza, Yang Zhou, Elizabeth Ercolano, Cary P Gross, Dawn Hershman, Jennifer Ligibel, Kathryn Schmitz, Fang-Yong Li, Tara Sanft, Melinda L Irwin
OBJECTIVE: This study examined the effect of 12 months of aerobic and resistance exercise versus usual care on changes in body composition in postmenopausal breast cancer survivors taking aromatase inhibitors (AIs). METHODS: The Hormones and Physical Exercise study enrolled 121 breast cancer survivors and randomized them to either supervised twice-weekly resistance exercise training and 150 min/wk of aerobic exercise (N = 61) or a usual care (N = 60) group. Dual-energy X-ray absorptiometry scans were conducted at baseline, 6 months, and 12 months to assess changes in body mass index, percent body fat, lean body mass, and bone mineral density...
December 27, 2016: Obesity
https://www.readbyqxmd.com/read/28026207/impact-sports-and-bone-fractures-among-adolescents
#16
Kyle R Lynch, Han C G Kemper, Bruna Turi-Lynch, Ricardo R Agostinete, Igor H Ito, Rafael Luiz-De-Marco, Mario A Rodrigues-Junior, Rômulo A Fernandes
The objective of the present study was to investigate the effects of different sports on stress fractures among adolescents during a 9-month follow-up period. The sample was composed of 184 adolescents divided into three groups (impact sports [n = 102]; swimming [n = 35]; non-sports [n = 47]). The occurrence of stress fracture was reported by participants and coaches. As potential confounders we considered age, sex, resistance training, body composition variables and age at peak of height velocity. There were 13 adolescents who reported fractures during the 9-month period...
December 27, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28024987/effects-of-high-intensity-training-on-cardiovascular-risk-factors-in-pre-and-postmenopausal-women
#17
Camilla M Mandrup, Jon Egelund, Michael Nyberg, Martina H Lundberg Slingsby, Caroline Andersen, Sofie Løgstrup, Jens Bangsbo, Charlotte Suetta, Bente Stallknecht, Ylva Hellsten
BACKGROUND: Menopause is associated with increased risk of cardiovascular disease and the causal factors have been proposed to be the loss of estrogen and the subsequent alterations of the hormonal milieu. However, which factors that contribute to the deterioration of cardio-metabolic health in postmenopausal women is debated as the menopausal transition is also associated with increased age and fat mass. Furthermore, indications of reduced cardio-metabolic adaptations to exercise in postmenopausal women add to the adverse health profile...
December 23, 2016: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28019060/development-of-a-simple-predictive-model-for-decreased-skeletal-muscle-mass-in-patients-with-compensated-chronic-liver-disease
#18
Hiroki Nishikawa, Hirayuki Enomoto, Akio Ishii, Yoshinori Iwata, Yuho Miyamoto, Noriko Ishii, Yukihisa Yuri, Ryo Takata, Kunihiro Hasegawa, Chikage Nakano, Takashi Nishimura, Yoh Kazunori, Nobuhiro Aizawa, Yoshiyuki Sakai, Naoto Ikeda, Tomoyuki Takashima, Hiroko Iijima, Shuhei Nishiguchi
AIMS: To develop and validate a simple predictive model using easily obtained clinical parameters to predict decreased skeletal muscle mass (DSMM) in chronic liver disease (CLD) patients (n = 652). METHODS: Study subjects were divided into a training set (n = 326) and a validation set (n = 326). DSMM was diagnosed based on skeletal muscle mass index measured by bioimpedance analysis. Variables significantly associated with DSMM were identified using univariate and multivariate analyses in the training set and used to construct a predictive formula...
December 26, 2016: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28011098/serum-igf-i-igfbp-3-and-als-concentrations-and-physical-performance-in-young-swimmers-during-a-training-season
#19
H Tourinho Filho, M Pires, E F Puggina, M Papoti, R Barbieri, C E Martinelli
INTRODUCTION: The GH/IGF-I axis is a system of growth mediators, receptors, and binding proteins that regulate somatic and tissue growth; and it has been shown that exercise programs are related to the anabolic function of this axis. OBJECTIVE: The aim of this study was to analyse the changes of serum IGF-I concentration and that of its binding proteins IGFBP-3 and ALS in adolescent swimmers at different stages of a training season, and compare them with physical performance parameters and body composition of the athletes...
December 18, 2016: Growth Hormone & IGF Research
https://www.readbyqxmd.com/read/28005635/longitudinal-body-composition-changes-in-ncaa-division-i-college-football-players
#20
Eric T Trexler, Abbie E Smith-Ryan, J Bryan Mann, Pat A Ivey, Katie R Hirsch, Meredith G Mock
Trexler, ET, Smith-Ryan, AE, Mann, JB, Ivey, PA, Hirsch, KR, and Mock, MG. Longitudinal body composition changes in NCAA Division I college football players. J Strength Cond Res 31(1): 1-8, 2017-Many athletes seek to optimize body composition to fit the physical demands of their sport. American football requires a unique combination of size, speed, and power. The purpose of the current study was to evaluate longitudinal changes in body composition in Division I collegiate football players. For 57 players (mean ± SD, age = 19...
January 2017: Journal of Strength and Conditioning Research
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