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Muscle Health

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https://www.readbyqxmd.com/read/29776338/assessment-of-lower-extremity-muscle-mass-muscle-strength-and-exercise-therapy-in-elderly-patients-with-diabetes-mellitus
#1
Takuo Nomura, Toshihiro Kawae, Hiroaki Kataoka, Yukio Ikeda
The increase in the proportion of elderly people in the population is one of the most remarkable sociodemographic phenomena of the twenty-first century. The number of patients with diabetes is also increasing worldwide with this demographic change. Given these facts, consideration of the problems the general elderly population is facing in the management of diabetes is essential. In this review article, we focus on sarcopenia, which is the decrease in lower extremity muscle mass and muscle strength accompanying aging, describe the relationship between sarcopenia and diabetes, and highlight the specific factors through which diabetes contributes to loss of muscle strength...
May 17, 2018: Environmental Health and Preventive Medicine
https://www.readbyqxmd.com/read/29775118/blood-flow-restricted-resistance-training-in-patients-with-sporadic-inclusion-body-myositis-a-randomized-controlled-trial
#2
A N Jørgensen, P Aagaard, U Frandsen, E Boyle, L P Diederichsen
OBJECTIVES: To investigate the effect of 12 weeks of low-load blood-flow restricted resistance (BFR) training on self-reported and objective physical function, and maximal muscle strength in patients with sporadic inclusion body myositis (sIBM). METHOD: Twenty-two patients with sIBM were randomized into a training group (BFR group) or a non-exercising control group, according to CONsolidated Standards Of Reporting Trials (CONSORT) guidelines. The BFR group performed 12 weeks of BFR training twice per week...
May 18, 2018: Scandinavian Journal of Rheumatology
https://www.readbyqxmd.com/read/29772844/leucine-supplementation-does-not-attenuate-skeletal-muscle-loss-during-leg-immobilization-in-healthy-young-men
#3
Evelien M P Backx, Astrid M H Horstman, Gabriel N Marzuca-Nassr, Janneau van Kranenburg, Joey S Smeets, Cas J Fuchs, Anniek A W Janssen, Lisette C P G M de Groot, Tim Snijders, Lex B Verdijk, Luc J C van Loon
BACKGROUND: Short successive periods of physical inactivity occur throughout life and contribute considerably to the age-related loss of skeletal muscle mass. The maintenance of muscle mass during brief periods of disuse is required to prevent functional decline and maintain metabolic health. OBJECTIVE: To assess whether daily leucine supplementation during a short period of disuse can attenuate subsequent muscle loss in vivo in humans. METHODS: Thirty healthy (22 ± 1 y) young males were exposed to a 7-day unilateral knee immobilization intervention by means of a full leg cast with (LEU, n = 15) or without (CON, n = 15) daily leucine supplementation (2...
May 17, 2018: Nutrients
https://www.readbyqxmd.com/read/29772819/do-young-people-ever-sit-still-variations-in-accelerometer-counts-muscle-activity-and-heart-rate-across-various-sedentary-activities-in-youth
#4
Evi van Ekris, Mai J M Chinapaw, Joost Rotteveel, Teatske M Altenburg
Evidence of adverse health effects of TV viewing is stronger than for overall sedentary behaviour in youth. One explanation may be that TV viewing involves less body movement than other sedentary activities. Variations in body movement across sedentary activities are currently unknown, as are age differences in such variations. This study examined body movement differences across various sedentary activities in children and adolescents, assessed by hip-, thigh- and wrist-worn accelerometers, muscle activity and heart rate...
May 17, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29772347/location-dependent-correlation-between-tissue-structure-and-the-mechanical-behaviour-of-the-urinary-bladder
#5
Enrique Morales-Orcajo, Tobias Siebert, Markus Böl
The mechanical properties of the urinary bladder wall are important to understand its filling-voiding cycle in health and disease. However, much remains unknown about its mechanical properties, especially regarding regional heterogeneities and wall microstructure. The present study aimed to assess the regional differences in the mechanical properties and microstructure of the urinary bladder wall. Ninety (n=90) samples of porcine urinary bladder wall (ten samples from nine different locations) were mechanically and histologically analysed...
May 14, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29771606/improved-motor-unit-number-estimate-when-motor-unit-alternation-is-addressed
#6
Bradley A DeForest, Jeffrey Winslow, Christine K Thomas
Motor unit number estimation (MUNE) is important for determining motoneuron survival with age or in conditions such as amyotrophic lateral sclerosis or spinal cord injury. The original incremental method, or approaches introduced to minimize alternation (e.g. multiple point stimulation), are most commonly used but accept the limitation that alternation of motor units may still inflate the estimate. Alternation occurs because axon thresholds are probabilistic and overlap for different axons, therefore different combination of motor units may respond at a given stimulus intensity...
May 17, 2018: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29771161/casting-protocols-following-bont-a-injections-to-treat-spastic-hypertonia-of-the-triceps-surae-in-children-with-cerebral-palsy-and-equinus-gait-a-randomized-controlled-trial
#7
Barbara Kelly, Marilyn MacKay-Lyons, Susan Berryman, Joe Hyndman, Ellen Wood
AIM: To study the effects of single versus serial casting post-Botulinum toxin A (BoNT-A) injections on hypoextensibility of triceps surae in children, 2-7 years old, with cerebral palsy and equinus gait. METHODS: A randomized, stratified, parallel, two-group trial was conducted at a pediatric health center with assessments at baseline, precast, postcast and, 1-, 2-, and 6-month follow-ups. One week following BoNT-A injections into triceps surae muscle, a single below-knee cast (n = 10) or 3 serial casts (n = 10) were applied for 3 weeks...
May 17, 2018: Physical & Occupational Therapy in Pediatrics
https://www.readbyqxmd.com/read/29767832/cancer-survivors-exhibit-a-different-relationship-between-muscle-strength-and-health-related-quality-of-life-fatigue-compared-to-healthy-subjects
#8
S Morishita, A Tsubaki, J B Fu, Y Mitobe, H Onishi, T Tsuji
We investigated the difference in relationship between muscle strength and quality of life (QOL)/fatigue in long-term cancer survivors and healthy subjects. Thirty-six cancer survivors and 29 healthy subjects were assessed for body composition and bone status at the calcaneus using the Osteo Sono Assessment Index. Muscle strength was evaluated via handgrip and knee extensor strength. Health-related QOL was assessed using the Medical Outcome Study 36-item Short-Form Health Survey. Fatigue was measured using the brief fatigue inventory...
May 16, 2018: European Journal of Cancer Care
https://www.readbyqxmd.com/read/29766660/the-deterioration-of-muscle-mass-and-radiodensity-is-prognostic-of-poor-survival-in-stage-i-iii-colorectal-cancer-a-population-based-cohort-study-c-scans
#9
Justin C Brown, Bette J Caan, Jeffrey A Meyerhardt, Erin Weltzien, Jingjie Xiao, Elizabeth M Cespedes Feliciano, Candyce H Kroenke, Adrienne Castillo, Marilyn L Kwan, Carla M Prado
BACKGROUND: Muscle abnormalities such as low muscle mass and low muscle radiodensity are well known risk factors for unfavourable cancer prognosis. However, little is known in regard to the degree and impact of longitudinal changes in muscle mass and radiodensity within the context of cancer. Here, we explore the relationship between muscle wasting and mortality in a large population-based study of patients with non-metastatic colorectal cancer (CRC). METHODS: A total of 1924 patients with stage I-III CRC who underwent surgical resection in the Kaiser Permanente Northern California Health System were included...
May 15, 2018: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/29766325/anthropometric-outcomes-of-a-motivational-interviewing-school-based-randomized-trial-involving-adolescents-with-overweight
#10
Silvia Freira, Marina Serra Lemos, Helena Fonseca, Geoffrey Williams, Marta Ribeiro, Fernanda Pena, Maria do Céu Machado
Motivational interviewing (MI) is an effective method to promote weight loss that can be delivered by non-mental health providers. The aim of this study was to evaluate whether MI was superior to conventional counseling to improve the anthropometric outcomes of adolescents with obesity/overweight. It was a controlled cluster randomized trial with parallel design in a school setting. The study included two groups: Motivational Interviewing Group (MIG) and control group (Conventional Intervention Group, CIG)...
May 15, 2018: European Journal of Pediatrics
https://www.readbyqxmd.com/read/29764991/a-dgk%C3%AE-foxo-ubiquitin-proteolytic-axis-controls-fiber-size-during-skeletal-muscle-remodeling
#11
Jae-Sung You, Matthew S Dooley, Chan-Ran Kim, Eui-Jun Kim, Wei Xu, Craig A Goodman, Troy A Hornberger
Skeletal muscle rapidly remodels in response to various stresses, and the resulting changes in muscle mass profoundly influence our health and quality of life. We identified a diacylglycerol kinase ζ (DGKζ)-mediated pathway that regulated muscle mass during remodeling. During mechanical overload, DGKζ abundance was increased and required for effective hypertrophy. DGKζ not only augmented anabolic responses but also suppressed ubiquitin-proteasome system (UPS)-dependent proteolysis. We found that DGKζ inhibited the transcription factor FoxO that promotes the induction of the UPS...
May 15, 2018: Science Signaling
https://www.readbyqxmd.com/read/29764761/reference-values-for-muscle-strength-a-systematic-review-with-a-descriptive-meta-analysis
#12
REVIEW
Poliana do Amaral Benfica, Larissa Tavares Aguiar, Sherindan Ayessa Ferreira de Brito, Luane Helena Nunes Bernardino, Luci Fuscaldi Teixeira-Salmela, Christina Danielli Coelho de Morais Faria
BACKGROUND: Muscle strength is an important component of health. OBJECTIVE: To describe and evaluate the studies which have established the reference values for muscle strength on healthy individuals and to synthesize these values with a descriptive meta-analysis approach. METHODS: A systematic review was performed in MEDLINE, LILACS, and SciELO databases. Studies that investigated the reference values for muscle strength of two or more appendicular/axial muscle groups of health individuals were included...
May 3, 2018: Brazilian Journal of Physical Therapy
https://www.readbyqxmd.com/read/29764409/quadriceps-combined-with-hip-abductor-strengthening-versus-quadriceps-strengthening-in-treating-knee-osteoarthritis-a-study-protocol-for-a-randomized-controlled-trial
#13
Yujie Xie, Chi Zhang, Wei Jiang, Juan Huang, Lili Xu, Guoyin Pang, Haiyan Tang, Ruyan Chen, Jihua Yu, Shengmin Guo, Fangyuan Xu, Jianxiong Wang
BACKGROUND: Lower limb strengthening, especially the quadriceps training, is of much necessity for patients with knee osteoarthritis (KOA). Previous studies suggest that strengthening of the hip muscles, especially the hip abductor, can potentially relieve the KOA-associated symptoms. Nevertheless, the effects of quadriceps combined with hip abductor strengthening remain unclear. Therefore, the current randomized controlled trial is designed aiming to observe whether quadriceps in combination with hip abductor strengthening can better improve the function and reduce pain in KOA patients than quadriceps training alone...
May 15, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29763510/trihexyphenidyl-for-dystonia-in-cerebral-palsy
#14
REVIEW
Adrienne R Harvey, Louise B Baker, Dinah Susan Reddihough, Adam Scheinberg, Katrina Williams
BACKGROUND: Cerebral palsy occurs in up to 2.1 of every 1000 live births and encompasses a range of motor problems and movement disorders. One commonly occurring movement disorder amongst those with cerebral palsy is dystonia: sustained or intermittent involuntary muscle spasms and contractions that cause twisting, repetitive movements and abnormal postures. The involuntary contractions are often very painful and distressing and cause significant limitations to activity and participation...
May 15, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29761843/calf-circumference-a-marker-of-muscle-mass-as-a-predictor-of-hospital-readmission
#15
Gustavo Gonzales Real, Inara Regina Frühauf, José Henrique Koth Sedrez, Eduarda Jaine Fachinello Dall'Aqua, Maria Cristina Gonzalez
Hospital readmissions (HRs) are common, potentially preventable, and a marker of poor quality in health services. This study aimed to identify risk factors for HR in clinical patients, with an emphasis on nutrition aspects, especially calf circumference (CC), as a marker of muscle mass. A prospective cohort study of patients admitted to the internal medicine ward was conducted. The short form of the Patient-Generated Subjective Global Assessment was performed in the first 24 hours of hospitalization. In addition, single-frequency bioelectrical impedance analysis was used to estimate the phase angle, CC as a surrogate of muscle mass, and handgrip strength as a marker of strength...
May 15, 2018: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29761054/is-high-intensity-interval-cycling-feasible-and-more-beneficial-than-continuous-cycling-for-knee-osteoarthritic-patients-results-of-a-randomised-control-feasibility-trial
#16
Justin W Keogh, Josephine Grigg, Christopher J Vertullo
Background: Knee osteoarthritis (OA) patients often suffer joint pain and stiffness, which contributes to negative changes in body composition, strength, physical performance (function), physical activity and health-related quality of life. To reduce these symptoms and side effects of knee OA, moderate-intensity continuous training (MICT) cycling is often recommended. While resistance training is considered the optimal form of training to improve sarcopenic outcomes, it imposes higher joint loads and requires supervision, either initially or continuously by trained exercise professionals...
2018: PeerJ
https://www.readbyqxmd.com/read/29760181/corticosterone-signaling-and-a-lateral-habenula-ventral-tegmental-area-circuit-modulate-compulsive-self-injurious-behavior-in-a-rat-model
#17
Yujie Guo, Xun Tang, Jichuan Zhang, Sen Jin, Jinnan Li, Lufeng Ding, Keming Zhang, Chaoyu Yang, Hua Zhou, Xiaobin He, Fuqiang Xu, Guo-Qiang Bi, Lin Xu, Pak-Ming Lau
Self-injurious behavior (SIB) is commonly observed in patients with neuropsychiatric disorders, as well as nonclinical populations with stress related mental health problems. However, the exact circuitry mechanisms underlying SIB have remained unclear. Here we established a rat model of SIB with bilateral injection of muscimol into entopeduncular nucleus (EP). Following the muscimol injection, the male rats exhibited stereotypic self-biting behavior that lasted for hours and often resulted in wounds of various severities, in a dose-dependent manner...
May 14, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29759920/dysphonia-perceived-control-and-psychosocial-distress-a-qualitative-study
#18
Stephanie Misono, Caroline Haut, Liza Meredith, Patricia A Frazier, Ali Stockness, Deirdre D Michael, Lisa Butcher, Eileen M Harwood
OBJECTIVES: The purpose of this qualitative study was to examine relationships between psychological factors, particularly perceived control, and voice symptoms in adults seeking treatment for a voice problem. METHODS: Semistructured interviews of adult patients with a clinical diagnosis of muscle tension dysphonia were conducted and transcribed. Follow-up interviews were conducted as needed for further information or clarification. A multidisciplinary team analyzed interview content using inductive techniques...
May 11, 2018: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/29759074/dengue-fever-complicated-with-guillain-barr%C3%A3-syndrome-a-case-report-and-review-of-the-literature
#19
Chamara Dalugama, John Shelton, Mahendra Ekanayake, Indika Bandara Gawarammana
BACKGROUND: Dengue is an arboviral infection classically presenting with fever, arthralgia, headache, and rashes. It is hyperendemic in Sri Lanka and has a major impact on health. Neurological complications of dengue fever are rare but have been reported in the literature. CASE PRESENTATION: A 60-year-old Sri Lankan man presented with a history of fever, arthralgia, and generalized malaise of 2 days duration. A diagnosis of dengue was confirmed with leukopenia, thrombocytopenia, and positive NS1 antigen done on day 2 without evidence of hemoconcentration...
May 15, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29758509/potential-health-risks-via-consumption-of-six-edible-shellfish-species-collected-from-piura-peru
#20
I Loaiza, M De Troch, G De Boeck
Scallops and their potential predators were collected in Sechura Bay and in front of the Illescas Reserved Zone (north Peru), during El Niño-Southern Oscillation (ENSO) 2016, and analyzed for the metals chromium (Cr), manganese (Mn), iron (Fe), nickel (Ni), copper (Cu), zinc (Zn), arsenic (As), cadmium (Cd) and lead (Pb). This study showed that ~20% of the molluscs exceeded the maximum residual levels (MRLs) for human consumption in inorganic As, while ~30% of the crustaceans did. For Cd, around 10% and 40% of the molluscs and the crustaceans were above the MRLs, respectively...
May 11, 2018: Ecotoxicology and Environmental Safety
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