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muscle mass, strength training, weight loss

Stephan von Haehling, Nicole Ebner, Marcelo R Dos Santos, Jochen Springer, Stefan D Anker
Body wasting is a serious complication that affects a large proportion of patients with heart failure. Muscle wasting, also known as sarcopenia, is the loss of muscle mass and strength, whereas cachexia describes loss of weight. After reaching guideline-recommended doses of heart failure therapies, the most promising approach to treating body wasting seems to be combined therapy that includes exercise, nutritional counselling, and drug treatment. Nutritional considerations include avoiding excessive salt and fluid intake, and replenishment of deficiencies in trace elements...
April 24, 2017: Nature Reviews. Cardiology
Wesley D Dudgeon, Elizabeth P Kelley, Timothy P Scheett
Dudgeon, WD, Kelley, EP, and Scheett, TP. Effect of whey protein in conjunction with a caloric-restricted diet and resistance training. J Strength Cond Res 31(5): 1353-1361, 2017-Caloric-restricted weight loss, especially rapid weight loss, results from a decrease in both lean and fat mass (FM). The goal for many is to lose FM while retaining lean body mass (LBM) and muscular performance thus many turn to supplements. Sixteen resistance-trained men (24 ± 1.6 years of age) completed a 4 d·wk body building style split resistance training program for 8 weeks in conjunction with a pre-exercise, periexercise, and postexercise ingestion of whey protein (WHEY) nutritional supplement or carbohydrate (CON)-based nutritional supplement...
May 2017: Journal of Strength and Conditioning Research
H Harada, H Kai, H Niiyama, Y Nishiyama, A Katoh, N Yoshida, Y Fukumoto, H Ikeda
OBJECTIVE: Sarcopenia is a syndrome characterized by progressive and generalized loss of skeletal muscle mass and strength, with the risk of frailty and poor quality of life. This study aimed to clarify the clinical characteristics of sarcopenia and to investigate the effects of comprehensive cardiac rehabilitation (CCR), including nutrition, physical exercise and medication, in patients with cardiovascular disease (CVD). METHODS: We retrospectively studied 322 inpatients with CVD (age 72±12 years)...
2017: Journal of Nutrition, Health & Aging
R M Daly
Osteoporosis (low bone strength) and sarcopenia (low muscle mass, strength and/or impaired function) often co-exist (hence the term 'sarco-osteoporosis') and have similar health consequences with regard to disability, falls, frailty and fractures. Exercise and adequate nutrition, particularly with regard to vitamin D, calcium and protein, are key lifestyle approaches that can simultaneously optimize bone, muscle and functional outcomes in older people, if they are individually tailored and appropriately prescribed in terms of the type and dose...
April 2017: Climacteric: the Journal of the International Menopause Society
Luciana Campanha-Versiani, Danielle Aparecida Gomes Pereira, Giane Amorim Ribeiro-Samora, Adauto Versiani Ramos, Maria Fatima H de Sander Diniz, Luiz Armando De Marco, Maria Marta Sarquis Soares
BACKGROUND: The effect of an exercise program on the body composition, muscular strength (MS), biochemical markers, and bone mineral density (BMD) of individuals undergoing gastric bypass is unclear. We assessed lean mass (LM), MS, bone remodeling markers, and BMD before and after supervised weight-bearing and aerobic exercise training in obese patients who underwent Roux-en-Y gastric bypass (RYGB). METHODS: This study included 37 obese patients (81.1% women, mean age 38...
March 11, 2017: Obesity Surgery
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
Laura A Talbot, Emily Brede, E Jeffrey Metter
BACKGROUND: Traumatic transtibial amputations lead to an early decline in the use and weight bearing of the residual limb. These changes result in progressive quadriceps muscle atrophy with strength loss that affects standing and walking. Neuromuscular electrical stimulation (NMES) may be useful as an adjunct to amputee prosthetic rehabilitation to maintain quadriceps muscle strength and mass. The objective of this pilot study was to compare the effects of a home-based NMES rehabilitation program plus the traditional military amputee rehabilitation program (TMARP) to the effects of TMARP alone on quadriceps muscle strength, functional mobility, and pain in military service members after a combat-related lower extremity amputation...
January 2017: Military Medicine
Claudia M Meirelles, Paulo S C Gomes
Hypoenergetic diets and resistance training (RT) have been suggested to be important components of weight loss strategy programs; however, there is little evidence as to the chronic effects of different macronutrient compositions on strength performance and muscle mass with RT. The purpose of this study was to compare the effects of carbohydrate restrictive (CRD) and conventional (CONV) diets combined with RT on strength performance and muscle thicknesses in overweight and obese participants already involved in RT programs...
December 2016: Journal of Sports Science & Medicine
Tatiana Moro, Grant Tinsley, Antonino Bianco, Giuseppe Marcolin, Quirico Francesco Pacelli, Giuseppe Battaglia, Antonio Palma, Paulo Gentil, Marco Neri, Antonio Paoli
BACKGROUND: Intermittent fasting (IF) is an increasingly popular dietary approach used for weight loss and overall health. While there is an increasing body of evidence demonstrating beneficial effects of IF on blood lipids and other health outcomes in the overweight and obese, limited data are available about the effect of IF in athletes. Thus, the present study sought to investigate the effects of a modified IF protocol (i.e. time-restricted feeding) during resistance training in healthy resistance-trained males...
October 13, 2016: Journal of Translational Medicine
David Scott, Barbora de Courten, Peter R Ebeling
The incidence of type 2 diabetes is increasing in Australia's older adult population. Sarcopenia, the age-related decline in skeletal muscle mass, quality and function, may make a significant but under-appreciated contribution to increasing the risk of type 2 diabetes. As skeletal muscle is the largest insulin-sensitive tissue in the body, low muscle mass in sarcopenia likely results in reduced capacity for glucose disposal. Age-related declines in muscle quality, including increased mitochondrial dysfunction and fat infiltration, are also implicated in skeletal muscle inflammation and subsequent insulin resistance...
October 3, 2016: Medical Journal of Australia
Timothy J Schultz, Peter Roupas, Richard Wiechula, Debra Krause, Susan Gravier, Anthony Tuckett, Sonia Hines, Alison Kitson
BACKGROUND: Optimizing body composition for healthy aging in the community is a significant challenge. There are a number of potential interventions available for older people to support both weight gain (for those who are underweight) and weight loss (for overweight or obese people). While the benefits of weight gain for underweight people are generally clearly defined, the value of weight loss in overweight or obese people is less clear, particularly for older people. OBJECTIVES: This umbrella review aimed to measure the effectiveness of nutritional interventions for optimizing healthy body composition in older adults living in the community and to explore theirqualitative perceptions...
August 2016: JBI Database of Systematic Reviews and Implementation Reports
Katie R Hirsch, Abbie E Smith-Ryan, Eric T Trexler, Erica J Roelofs
The purpose of this study was to evaluate event-specific body composition and muscle characteristics of track and field athletes and to assess body composition changes after 1 year. Sixty collegiate track and field athletes (mean ± SD; age = 19.2 ± 1.4 years, height = 174.6 ± 9.0 cm, and weight = 71.5 ± 12.5 kg) were stratified into 6 event groups. Total and regional body composition measurements were assessed using dual-energy x-ray absorptiometry. A panoramic scan of the vastus lateralis was taken with B-mode ultrasound to determine muscle cross-sectional area and echo intensity (EI)...
May 2016: Journal of Strength and Conditioning Research
Andy V Khamoui, Bong-Sup Park, Do-Houn Kim, Ming-Chia Yeh, Seung-Lyul Oh, Marcus L Elam, Edward Jo, Bahram H Arjmandi, Gloria Salazar, Samuel C Grant, Robert J Contreras, Won Jun Lee, Jeong-Su Kim
PURPOSE: The appropriate mode of exercise training for cancer cachexia is not well-established. Using the colon-26 (C26) mouse model of cancer cachexia, we defined and compared the skeletal muscle responses to aerobic and resistance training. METHODS: Twelve-month old Balb/c mice were initially assigned to control, aerobic training (AT; wheel running), or resistance training (RT; ladder climbing) (n=16-17/group). After 8weeks of training, half of each group was injected with C26 tumor cells, followed by 3 additional weeks of training...
May 2016: Metabolism: Clinical and Experimental
G D Miller, S L Robinson
BACKGROUND: Although obesity is a recognized risk factor for impaired physical function in older adults, there is still debate on whether older obese adults should undergo intentional weight loss due to concern of loss in lean body mass, including appendicular lean soft tissue mass. This may put them at risk for worsening muscle strength and mobility. OBJECTIVES: Therefore, the purpose of this study was to examine the effect of a weight loss intervention on body composition and physical function in obese older women...
2013: Journal of Frailty & Aging
Sameh Ghroubi, Wassia Kossemtini, Sawssan Mahersi, Wafa Elleuch, Mokhtar Chaabene, Mohamed Habib Elleuch
AIMS: Our objective was to evaluate the specific effect of isokinetic muscle strength enhancement in the rehabilitation of obese subjects by comparing two groups (isokinetic muscle exercising associated with aerobic exercising or only aerobic exercising). PATIENTS AND METHODS: This was a randomized, prospective study from January 2008 to December 2009 involving 40 obese patients randomized into two groups. The first group G1 (n=20) followed a program of aerobic training and isokinetic exercising of the extensor and flexor muscles of lower limbs and spine...
April 2016: Annals of Physical and Rehabilitation Medicine
Vanessa M McDonald, Peter G Gibson, Hayley A Scott, Penelope J Baines, Michael J Hensley, Jeffrey J Pretto, Lisa G Wood
BACKGROUND AND OBJECTIVE: Obesity is an established risk factor for poor health outcomes, but paradoxically in chronic obstructive pulmonary disease (COPD), it is associated with improved survival and lung function. A major evidence gap exisits to inform treatment recommendations for patients with COPD who are obese. We aimed to determine the effect of weight reduction involving a low-energy diet utilizing a partial meal replacement plan, coupled with resistance exercise training in obese COPD patients...
2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
Joel Edionwe, Cameron Hess, Javier Fernandez-Rio, David N Herndon, Clark R Andersen, Gordon L Klein, Oscar E Suman, William E Amonette
BACKGROUND: Loss of bone mass, muscle mass, and strength leads to significant disability in severely burned children. We assessed the effects of exercise combined with whole-body vibration (WBV) on bone mass, lean mass (LM), and muscle strength in children recovering from burns. METHODS: Nineteen burned children (≥30% total body surface area [TBSA] burns) were randomly assigned to a 6-week exercise regimen either alone (EX; n=10) or in combination with a 6-week WBV training regimen (EX+WBV; n=9)...
May 2016: Burns: Journal of the International Society for Burn Injuries
Wesley David Dudgeon, Elizabeth Page Kelley, Timothy Paul Scheett
BACKGROUND: Athletes and active adults many times have the goal of improving/maintaining fitness while losing weight and this is best achieved by caloric restriction in combination with exercise. However, this poses a risk for lean tissue loss, which can limit performance. Thus, the purpose of this study was to determine the effectiveness of a branched-chain amino acid (BCAA) supplement, in conjunction with heavy resistance training and a carbohydrate caloric-restricted "cut diet" on body composition and muscle fitness...
2016: Journal of the International Society of Sports Nutrition
Mohamed Said, Ncir Lamya, Nejlaoui Olfa, Mansour Hamda
BACKGROUND: Regular exercise is one of the factors determining weight reduction and fat loss, and at the same time it is associated with important health benefits. The purpose of this study was to compare the effects of two different modalities of exercise on changes in body composition, physical fitness, and CVR factors in healthy overweight and obese women. METHODS: Thirty-two women were randomly assigned in 2 groups: a high-impact aerobics group (HIA, N.=16) and a low-impact aerobics combined with a strength training program group (LIAS, N...
March 2017: Journal of Sports Medicine and Physical Fitness
Kyle Levers, Ryan Dalton, Elfego Galvan, Chelsea Goodenough, Abigail O'Connor, Sunday Simbo, Nicholas Barringer, Susanne U Mertens-Talcott, Christopher Rasmussen, Mike Greenwood, Steven Riechman, Stephen Crouse, Richard B Kreider
BACKGROUND: The purpose of this study was to examine whether short-term ingestion of a powdered tart cherry supplement prior to and following intense resistance-exercise attenuates muscle soreness and recovery strength loss, while reducing markers of muscle damage, inflammation, and oxidative stress. METHODS: Twenty-three healthy, resistance-trained men (20.9 ± 2.6 yr, 14.2 ± 5.4% body fat, 63.9 ± 8.6 kg FFM) were matched based on relative maximal back squat strength, age, body weight, and fat free mass...
2015: Journal of the International Society of Sports Nutrition
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