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https://www.readbyqxmd.com/read/29790430/improvement-of-cellular-health-indicators-and-muscle-quality-in-older-women-with-different-resistance-training-volumes
#1
Paolo M Cunha, Crisieli M Tomeleri, Matheus A do Nascimento, João Pedro Nunes, Melissa Antunes, Hellen C G Nabuco, Ygor Quadros, Edilaine F Cavalcante, Jerry L Mayhew, Luís B Sardinha, Edilson S Cyrino
The main purpose of this study was to compare the effects of resistance training (RT) performed with different training volumes on phase angle (PhA), body water components, and muscle quality (MQ) in untrained older adult women. A second purpose was to assess the relationship between PhA and MQ. Sixty-two older adult women (68.6 ± 5.0 years, 65.2 ± 13.3 kg, 156.1 ± 6.2 cm) were randomly assigned into one of the three groups: two training groups performed either 1 set (G1S) or 3 sets (G3S), or a control group (CG)...
May 23, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29788683/definitions-of-groove-and-hollowness-of-the-infraorbital-region-and-clinical-treatment-using-soft-tissue-filler
#2
REVIEW
Ji-Hyun Lee, Giwoong Hong
Clarification is needed regarding the definitions and classification of groove and hollowness of the infraorbital region depending on the cause, anatomical characteristics, and appearance. Grooves in the infraorbital region can be classified as nasojugal grooves (or folds), tear trough deformities, and palpebromalar grooves; these can be differentiated based on anatomical characteristics. They are caused by the herniation of intraorbital fat, atrophy of the skin and subcutaneous fat, contraction of the orbital part of the orbicularis oculi muscle or squinting, and malar bone resorption...
May 2018: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/29787583/gender-associated-muscle-tendon-adaptations-to-resistance-training
#3
Gerard McMahon, Christopher I Morse, Keith Winwood, Adrian Burden, Gladys L Onambélé
PURPOSE: To compare the relative changes in muscle-tendon complex (MTC) properties following high load resistance training (RT) in young males and females, and determine any link with circulating TGFβ-1 and IGF-I levels. METHODS: Twenty-eight participants were assigned to a training group and subdivided by sex (T males [TM] aged 20±1 year, n = 8, T females [TF] aged 19±3 year, n = 8), whilst age-matched 6 males and 6 females were assigned to control groups (ConM/F)...
2018: PloS One
https://www.readbyqxmd.com/read/29787517/applying-standardized-uptake-values-in-gallium-67-citrate-single-photon-emission-computed-tomography-computed-tomography-studies-and-their-correlation-with-blood-test-results-in-representative-organs
#4
Akira Toriihara, Hiromitsu Daisaki, Akihiro Yamaguchi, Katsuya Yoshida, Jun Isogai, Ukihide Tateishi
OBJECTIVES: Recently, semiquantitative analysis using standardized uptake value (SUV) has been introduced in bone single-photon emission computed tomography/computed tomography (SPECT/CT). Our purposes were to apply SUV-based semiquantitative analytic method for gallium-67 (Ga)-citrate SPECT/CT and to evaluate correlation between SUV of physiological uptake and blood test results in representative organs. METHODS: The accuracy of semiquantitative method was validated using an National Electrical Manufacturers Association body phantom study (radioactivity ratio of sphere : background=4 : 1)...
May 21, 2018: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/29786180/-bartter-syndrome-severe-rare-orphan-kidney-disease-a-step-towards-therapy-through-pharmacogenetic-and-epidemiological-studies
#5
EDITORIAL
Elena Conte, Paola Imbrici, Dalila Sahbani, Antonella Liantonio, Diana Conte
Bartter syndromes (BS) types 1-5 are rare salt-losing tubulopathies presenting with overlapping clinical phenotypes including marked salt wasting and hypokalemia leading to polyuria, polydipsia, volume contraction, muscle weakness and growth retardation. These diseases are due to an impairment of sodium, potassium, chloride reabsorption caused by mutations in genes encoding for ion channel or transporters expressed in specific nephron tubule segments. Particularly, BS type 3 is a clinically heterogeneous form caused by mutations in CLCNKB gene which encodes the ClC-Kb chloride channel involved in NaCl reabsorption in the renal tubule...
May 2018: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/29785727/body-composition-profiling-in-the-uk-biobank-imaging-study
#6
Jennifer Linge, Magnus Borga, Janne West, Theresa Tuthill, Melissa R Miller, Alexandra Dumitriu, E Louise Thomas, Thobias Romu, Patrik Tunón, Jimmy D Bell, Olof Dahlqvist Leinhard
OBJECTIVE: This study aimed to investigate the value of imaging-based multivariable body composition profiling by describing its association with coronary heart disease (CHD), type 2 diabetes (T2D), and metabolic health on individual and population levels. METHODS: The first 6,021 participants scanned by UK Biobank were included. Body composition profiles (BCPs) were calculated, including abdominal subcutaneous adipose tissue, visceral adipose tissue (VAT), thigh muscle volume, liver fat, and muscle fat infiltration (MFI), determined using magnetic resonance imaging...
May 22, 2018: Obesity
https://www.readbyqxmd.com/read/29785666/evaluation-of-ostarine-as-a-selective-androgen-receptor-modulator-in-a-rat-model-of-postmenopausal-osteoporosis
#7
D B Hoffmann, M Komrakova, S Pflug, M von Oertzen, D Saul, L Weiser, T A Walde, M Wassmann, A F Schilling, W Lehmann, S Sehmisch
Selective androgen receptor modulators (SARMs) have shown beneficial effects on muscle wasting, general physical function and bone properties in male mammals. However, data on the effects of SARMs in postmenopausal osteoporotic bone are scarce. We evaluated the effects of the SARM drug ostarine on postmenopausal osteoporotic bone in a rat osteoporosis model. Ovariectomy was performed on 46 of 56 3-month-old female Sprague-Dawley rats. Eight weeks after ovariectomy, ostarine was orally administered daily for 5 weeks in dosages of 0...
May 21, 2018: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/29782463/gut-microbiota-probiotics-and-sport-from-clinical-evidence-to-agonistic-performance
#8
Marco Pane, Angela Amoruso, Francesca Deidda, Teresa Graziano, Serena Allesina, Luca Mogna
Human beings harbor clusters of bacteria in different parts of the body, such as the surface or the deep layers of the skin, the mouth, the lungs, the intestine, the vagina, and all the surfaces exposed to the outer world. The majority of microbes resides in the gut, have a weighty influence on human physiology and nutrition and are vital for human life. There is growing evidence showing that the gut microbiota plays important roles in the maturation of the immune system and the protection against some infectious agents...
May 18, 2018: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/29781570/effect-of-motor-based-speech-intervention-on-articulatory-placement-in-the-treatment-of-a-posterior-nasal-fricative-a-preliminary-mri-study-on-a-single-subject
#9
Kazlin N Mason, Eshan Pua, Jamie L Perry
BACKGROUND: Posterior nasal fricatives are a learned compensatory articulation error and commonly substituted for oral fricatives. Treatment of such articulation errors requires the modification or teaching of skilled movements. A motor-based approach is designed to teach the complex motor skill movement sequences required in the production of sounds. Although motor learning research is well established, little has been done to determine how the approach changes the underlying physiology of articulatory movements...
May 21, 2018: International Journal of Language & Communication Disorders
https://www.readbyqxmd.com/read/29779593/assessing-diaphragm-function-in-chest-wall-and-neuromuscular-diseases
#10
REVIEW
Taro Minami, Kamran Manzoor, F Dennis McCool
Diaphragm dysfunction is defined as the partial or complete loss of diaphragm muscle contractility. However, because the diaphragm is one of only a few skeletal muscles that is not amenable to direct examination, the tools available for the clinician to assess diaphragm function have been limited. Traditionally, measures of lung volume, inspiratory muscle strength, and radiographic techniques such as fluoroscopy have provided the major method to assess diaphragm function. Measurement of transdiaphragmatic pressure provides the most direct means of evaluating the diaphragm, but this technique is not readily available to clinicians...
June 2018: Clinics in Chest Medicine
https://www.readbyqxmd.com/read/29776992/cardiomyopathy-mutation-f88l-in-troponin-t-abolishes-length-dependency-of-myofilament-ca-2-sensitivity
#11
Sherif M Reda, Murali Chandra
Recent clinical studies have revealed a new hypertrophic cardiomyopathy-associated mutation (F87L) in the central region of human cardiac troponin T (TnT). However, despite its implication in several incidences of sudden cardiac death in young and old adults, whether F87L is associated with cardiac contractile dysfunction is unknown. Because the central region of TnT is important for modulating the muscle length-mediated recruitment of new force-bearing cross-bridges (XBs), we hypothesize that the F87L mutation causes molecular changes that are linked to the length-dependent activation of cardiac myofilaments...
May 18, 2018: Journal of General Physiology
https://www.readbyqxmd.com/read/29775988/effects-of-different-resistance-training-frequencies-on-fat-in-overweight-obese-older-women
#12
Edilaine F Cavalcante, Alex S Ribeiro, Matheus A do Nascimento, Analiza M Silva, Crisieli M Tomeleri, Hellen C G Nabuco, Fábio L C Pina, Jerry L Mayhew, Marzo E Da Silva-Grigoletto, Danilo R P da Silva, Steven J Fleck, Edilson S Cyrino
AIM: This study compared the effect of different resistance training (RT) frequencies on total, android, gynoid and trunk body fat in overweight/obese older women. METHODS: Fifty-seven overweight/obese older women (66.9±5.3 years and 39.9±4.9% body fat) were randomly assigned to one of three groups: a group performing RT twice a week (G2X), a group performing RT three times a week (G3X), or a non-exercise control group (CG). Both training groups performed the same 12-week RT program consisting of 8 exercises that trained all major muscle groups...
May 18, 2018: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29775504/biomimetic-supramolecular-fibers-exhibit-water-induced-supercontraction
#13
Yuchao Wu, Darshil U Shah, Baoyuan Wang, Ji Liu, Xiaohe Ren, Michael H Ramage, Oren A Scherman
Spider silk is a fascinating material, combining high strength and elasticity that outperforms most synthetic fibers. Another intriguing feature of spider silk is its ability to "supercontract," shrinking up to 50% when exposed to water. This is likely on account of the entropy-driven recoiling of secondary structured proteins when water penetrates the spider silk. In contrast, humidity-driven contraction in synthetic fibers is difficult to achieve. Here, inspired by the spider silk model, a supercontractile fiber (SCF), which contracts up to 50% of its original length at high humidity, comparable to spider silk, is reported...
May 18, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29775131/change-in-residual-limb-size-over-time-in-the-nu-flexsiv-socket-a-case-study
#14
Stefania Fatone, Jessica Yohay, Ryan Caldwell
BACKGROUND: This case study represented a unique opportunity wherein a long-time user of sub-ischial sockets had kept nearly every socket he wore for a decade. This individual let us borrow these sockets so we could digitize them and indirectly assess change in residual limb size over time by calculating changes in socket volume and circumferences over time. Case Description and Methods: Over a decade, the subject maintained a relatively stable body weight of 84-88 kg and received nine sub-ischial sockets...
May 1, 2018: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/29774894/value-of-diffusion-weighted-imaging-for-monitoring-tissue-change-during-magnetic-resonance-guided-high-intensity-focused-ultrasound-therapy-in-bone-applications-an-ex-vivo-study
#15
Sharon L Giles, Jessica M Winfield, David J Collins, Ian Rivens, John Civale, Gail R Ter Haar, Nandita M deSouza
Background: Magnetic resonance (MR)-guided high-intensity focused ultrasound (HIFU) can palliate metastatic bone pain by periosteal neurolysis. We investigated the value of diffusion-weighted imaging (DWI) for monitoring soft tissue changes adjacent to bone during MR-guided HIFU. We evaluated the repeatability of the apparent diffusion coefficient (ADC) measurement, the temporal evolution of ADC change after sonication, and its relationship with thermal parameters. Methods: Ex-vivo experiments in lamb legs ( n = 8) were performed on a Sonalleve MR-guided HIFU system...
2018: European radiology experimental
https://www.readbyqxmd.com/read/29773446/effects-of-preparatory-coaching-and-home-practice-for-deep-inspiration-breath-hold-on-cardiac-dose-for-left-breast-radiation-therapy
#16
A Kim, A M Kalet, N Cao, D S Hippe, L C Fang, L Young, J Meyer, E V Lang, N A Mayr
AIMS: Deep inspiration breath hold (DIBH) reduces cardiac radiation exposure by creating cardiac-chest wall separation in breast cancer radiotherapy. DIBH requires sustaining chest wall expansion for up to 40 s and involves complex co-ordination of thoraco-abdominal muscles, which may not be intuitive to patients. We investigated the effect of in-advance preparatory DIBH coaching and home practice on cardiac doses. MATERIALS AND METHODS: Successive patients from 1 February 2015 to 31 December 2016 with left-sided breast cancer who underwent tangential field radiotherapy utilising the DIBH technique were included...
May 14, 2018: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/29772956/lumbar-muscle-structure-predicts-operational-postures-in-active-duty-marines
#17
David B Berry, Bahar Shahidi, Ana E Rodríguez-Soto, Jan M Hughes-Austin, Karen R Kelly, Samuel R Ward
Study Design Cross-sectional. Background The relationship between lumbar spine posture and muscle structure is not well understood. Objectives Investigate the predictive capacity of muscle structure on lumbar spine posture in active duty Marines. Methods Fouty-three Marines were scanned using an upright magnetic resonance imaging (MRI) scanner while standing unloaded and standing, sitting, and prone on elbows with body armor. Cobb, horizontal, and sacral angles were measured. Marines were then scanned unloaded in supine using a supine MRI scanner...
May 17, 2018: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29771711/respiratory-muscle-effort-during-expiration-in-successful-and-failed-weaning-from-mechanical-ventilation
#18
Jonne Doorduin, Lisanne H Roesthuis, Diana Jansen, Johannes G van der Hoeven, Hieronymus W H van Hees, Leo M A Heunks
BACKGROUND: Respiratory muscle weakness in critically ill patients is associated with difficulty in weaning from mechanical ventilation. Previous studies have mainly focused on inspiratory muscle activity during weaning; expiratory muscle activity is less well understood. The current study describes expiratory muscle activity during weaning, including tonic diaphragm activity. The authors hypothesized that expiratory muscle effort is greater in patients who fail to wean compared to those who wean successfully...
May 16, 2018: Anesthesiology
https://www.readbyqxmd.com/read/29771166/prediction-of-volume-of-distribution-in-preclinical-species-and-humans-application-of-simplified-physiologically-based-algorithms
#19
Prashant B Nigade, Jayasagar Gundu, K Sreedhara Pai, Kumar V S Nemmani, Rashmi Talwar
1. The present study was aimed at developing simplified physiologically based semi-mechanistic algorithms to predict Vss and interspecies scaling factors to predict tissue-Kps which require minimum input parameters, diminish the computing complexity and have better predictability. 2. Vss of 86 structurally diverse compounds in preclinical species and 27 compounds in humans were predicted using only lung- and muscle-Kp as inputs. Interspecies scaling factor (s) were developed based on fold-differences in individual tissue lipid contents, relative organ blood flow: relative organ weight ratio between two species...
May 17, 2018: Xenobiotica; the Fate of Foreign Compounds in Biological Systems
https://www.readbyqxmd.com/read/29769101/a-new-strategy-for-volumetric-modulated-arc-therapy-planning-using-autoplanning-based-multicriteria-optimization-for-nasopharyngeal-carcinoma
#20
Juanqi Wang, Zhi Chen, Weiwei Li, Wei Qian, Xiaosheng Wang, Weigang Hu
BACKGROUND: A new strategy for making the appropriate choice of the representative optimization parameters in planning processes and accurate selection criteria during Pareto surface navigation for general multicriteria optimization (MCO) was recommended in the study. The purpose was to combine both benefits of AutoPlanning optimization and MCO (APMCO) for achieving an individual volumetric-modulated arc therapy (VMAT) plan according to the clinically achieved patient-specific tradeoff among conflicting priorities...
May 16, 2018: Radiation Oncology
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