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https://www.readbyqxmd.com/read/28806771/effect-of-knee-alignment-on-the-quadriceps-femoris-muscularity-cross-sectional-comparison-of-trained-versus-untrained-individuals-in-both-sexes
#1
Ryoichi Ema, Taku Wakahara, Kuniaki Hirayama, Yasuo Kawakami
Knee alignment is suggested to be a factor affecting each quadriceps femoris muscle size, and knee alignment such as Q-angle differs between men and women. Also, training can induce inhomogeneous hypertrophy among the quadriceps femoris, thereby leading to different component characteristics of the muscles. If Q-angle is a major determinant of the quadriceps femoris muscularity, it is hypothesized that the sex-related difference in the quadriceps femoris muscularity, if any, is further highlighted in trained individuals, being associated with Q-angle...
2017: PloS One
https://www.readbyqxmd.com/read/28772277/factors-to-consider-when-deciding-on-the-type-of-free-flap-reconstruction-of-head-and-neck-soft-tissue-defects
#2
Mohammed Thabet Aladimi, Bo Han, Chunjie Li, Hussein Helal, Zhenjie Gao, Longjiang Li
OBJECTIVES: The aim of the study was to evaluate the functional and aesthetic outcomes on donor and recipient sites and to determine the effects of technical factors including flap thickness and vessel diameters measured by ultrasonography as well as the size of the defect and postoperative volume reduction of the flaps measured by magnetic resonance imaging (MRI). METHODS: In patients who had undergone soft tissue reconstructive surgery between March 2013 and March 2016 using 55 anterolateral thigh flaps (ALTFs), 30 radial forearm flaps (RFFs), and 18 latissimus dorsi flaps (LDFs), color Doppler ultrasonography was performed to measure the thickness of the flap at the site of the perforator...
August 4, 2017: ORL; Journal for Oto-rhino-laryngology and its related Specialties
https://www.readbyqxmd.com/read/28761699/high-intensity-flywheel-exercise-and-recovery-of-atrophy-after-90-days-bed-rest
#3
Daniel L Belavý, Hiroshi Ohshima, Jörn Rittweger, Dieter Felsenberg
AIMS: To investigate differential muscle atrophy during bed-rest, the impact of a high-intensity concentric-eccentric (flywheel) resistance exercise countermeasure and muscle recovery after bed-rest. METHODS: Twenty-five healthy male subjects underwent 90 dayshead-down tilt bed-rest. Volume of individual lower-limb muscles was measured via MRI before, twice during and four times up to 1 year after bed-rest. Subjects were either inactive (n=16) or performed flywheel exercise every third day of bed-rest (n=9)...
2017: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/28752648/foetal-fractional-thigh-volume-an-early-3d-ultrasound-marker-of-neonatal-adiposity
#4
J A Roelants, M J Vermeulen, I V Koning, I A L Groenenberg, S P Willemsen, A C S Hokken-Koelega, K F M Joosten, I K M Reiss, R P M Steegers-Theunissen
BACKGROUND: The predisposition for obesity is suggested to originate in the prenatal period. Prenatal markers are needed to identify foetuses at risk for neonatal adiposity, as early marker of childhood obesity. OBJECTIVE: The aim of this study is to assess the association between foetal fractional thigh volume (TVol) and neonatal percentage fat mass from mid-gestation onward. METHODS: In this perinatal cohort study, singleton pregnancies with term born infants were included...
July 28, 2017: Pediatric Obesity
https://www.readbyqxmd.com/read/28747264/free-flap-surgical-correction-of-facial-deformity-after-anteromedial-maxillectomy
#5
Shunji Sarukawa, Hideaki Kamochi, Tadahide Noguchi, Ataru Sunaga, Hirokazu Uda, Yoshiyuki Mori, Hiroshi Nishino, Kotaro Yoshimura
Anteromedial maxillectomy is typically performed in conjunction with low-dose radiotherapy and intraarterial chemotherapy. In doing so, the extent of surgical defects is reduced. However, nasal deviation and oral incompetence may ensue, due to cicatricial contracture of wounds, and may be distressing to these patients. Herein, we report a series of eight free perforator flap procedures (anterolateral thigh [ALT] flap, 6; thoracodorsal artery perforator [TAP] flap, 2) used to correct such deformities. The TAP flap was combined with scapular tip [ST] osseous flap in patients with added zygomatic prominence defects...
July 6, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28742086/predictive-models-for-estimating-visceral-fat-the-contribution-from-anthropometric-parameters
#6
Claudia Porto Sabino Pinho, Alcides da Silva Diniz, Ilma Kruze Grande de Arruda, Ana Paula Dornelas Leão Leite, Marina de Moraes Vasconcelos Petribú, Isa Galvão Rodrigues
BACKGROUND: Excessive adipose visceral tissue (AVT) represents an independent risk factor for cardiometabolic alterations. The search continues for a highly valid marker for estimating visceral adiposity that is a simple and low cost tool able to screen individuals who are highly at risk of being viscerally obese. The aim of this study was to develop a predictive model for estimating AVT volume using anthropometric parameters. OBJECTIVE: Excessive adipose visceral tissue (AVT) represents an independent risk factor for cardiometabolic alterations...
2017: PloS One
https://www.readbyqxmd.com/read/28737564/localized-leg-volume-index-a-new-method-for-body-type-corrected-evaluation-of-localized-leg-lymphedematous-volume-change
#7
Takumi Yamamoto, Nana Yamamoto, Hidehiko Yoshimatsu, Yukio Seki, Akiyoshi Kajikawa
BACKGROUND: Volume measurement is one of the most common evaluations for lower-extremity lymphedema. However, volume comparison between different patients with different physique may be inappropriate, and it is difficult to evaluate localized limb volume change using leg volume evaluation. METHODS: Localized leg volumes (Vk, k = 1-5) and localized leg volume indices (LEVIk) at 5 points (1, thigh; 2, knee; 3, lower leg; 4, ankle; 5, foot) of 106 legs of 53 examinees with no leg edema were calculated based on physical measurements, leg circumferences and lengths, and body mass index (BMI)...
July 22, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28679199/ultrasound-guided-genitofemoral-nerve-block-for-inguinal-hernia-repair-in-the-male-adult-a-randomized-controlled-pilot-study
#8
Luciano Frassanito, Bruno A Zanfini, Sara Pitoni, Paolo Germini, Miryam Del Vicario, Gaetano Draisci
BACKGROUND: Ultrasound-guided (USG) ilioinguinal/iliohypogastric nerve (II/IHN) block is a widely validated anesthetic technique for inguinal herniorrhaphy. As the spermatic cord, scrotum, and adjacent thigh receive sensory innervation from the genital branch of genitofemoral nerve (GFN), the addition of GFN block has been suggested to improve the quality of perioperative anesthesia and analgesia. The aim of this study is to compare GFN block plus II/IHN block with II/IHN block alone for intraoperative anesthesia and post-operative pain management...
July 5, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28676289/differential-characteristics-of-skeletal-muscle-in-community-dwelling-older-adults
#9
Minoru Yamada, Yosuke Kimura, Daisuke Ishiyama, Naohito Nishio, Yuki Abe, Tomohiro Kakehi, Junko Fujimoto, Tomoya Tanaka, Shunsuke Ohji, Yuhei Otobe, Shingo Koyama, Yukiko Okajima, Hidenori Arai
BACKGROUND: Sarcopenia is diagnosed on the basis of skeletal muscle mass and muscle strength/function. However, more simple and accurate measures for muscle mass and muscle strength/function should be explored. OBJECTIVE: The aim of this study was to compare the skeletal muscle characteristics at each stage of sarcopenia (normal, presarcopenia, dynapenia, and sarcopenia) via ultrasonography, multifrequency bioelectrical impedance analysis (BIA), and physical assessment batteries in community-dwelling older adults...
July 1, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28664576/exercise-versus-vasodilator-stress-limb-perfusion-imaging-for-the-assessment-of-peripheral-artery-disease
#10
Brian P Davidson, J Todd Belcik, Gregory Landry, Joel Linden, Jonathan R Lindner
PURPOSE: Our aim was to determine whether pharmacologic vasodilation is an alternative to exercise stress during limb perfusion imaging for peripheral artery disease (PAD). METHODS: Quantitative contrast-enhanced ultrasound (CEU) perfusion imaging of the bilateral anterior thigh and calf was performed in nine control subjects and nine patients with moderate to severe PAD at rest and during vasodilator stress with dipyridamole. For those who were able, CEU of the calf was then performed during modest plantar flexion exercise (20 watts)...
June 29, 2017: Echocardiography
https://www.readbyqxmd.com/read/28653345/treatment-of-sarcopenia-with-bimagrumab-results-from-a-phase-ii-randomized-controlled-proof-of-concept-study
#11
Daniel Rooks, Jens Praestgaard, Sam Hariry, Didier Laurent, Olivier Petricoul, Robert G Perry, Estelle Lach-Trifilieff, Ronenn Roubenoff
OBJECTIVES: To assess the effects of bimagrumab on skeletal muscle mass and function in older adults with sarcopenia and mobility limitations. DESIGN: A 24-week, randomized, double-blind, placebo-controlled, parallel-arm, proof-of-concept study. SETTING: Five centers in the United States. PARTICIPANTS: Community-dwelling adults (N = 40) aged 65 and older with gait speed between 0.4 and 1.0 m/s over 4 m and an appendicular skeletal muscle index of 7...
June 27, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28651860/fractional-fetal-thigh-volume-in-the-prediction-of-normal-and%C3%A2-abnormal-fetal-growth-during-the-third-trimester-of%C3%A2-pregnancy
#12
Louise E Simcox, Jenny E Myers, Tim J Cole, Edward D Johnstone
BACKGROUND: Currently, 2-dimensional ultrasound estimation of fetal size rather than fetal growth is used to define fetal growth restriction, but single estimates in late pregnancy lack sensitivity and may identify small for gestational age rather than growth restriction. Single or longitudinal measures of 3-dimensional fractional thigh volume may address this problem. OBJECTIVE: We sought to derive normal values for 3-dimensional fractional thigh volume in the third trimester, determine if fractional thigh volume is superior to 2-dimensional ultrasound biometry alone for detecting fetal growth restriction, and determine whether individualized growth assessment parameters have the potential to identify fetal growth restriction remote from term delivery...
June 23, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28648106/pressure-autoregulation-measurement-techniques-in-adult-tbi-part-i-a-scoping-review-of-intermittent-semi-intermittent-methods
#13
Frederick Adam Zeiler, Joseph Donnelly, Leanne Calviello, David Menon, Peter Smieleweski, Marek Czosnyka
To perform a systematic, scoping review of commonly described intermittent/semi-intermittent autoregulation measurement techniques in adult TBI. Nine separate systematic reviews were conducted for each intermittent technique: Computed tomographic perfusion (CTP)/Xenon-CT (Xe-CT), positron emission tomography (PET), magnetic resonance imaging (MRI), arterio-venous difference in oxygen (AVDO2) technique, thigh cuff deflation technique (TCDT), transient hyperemic response test (THRT), orthostatic hypotension test (OHT), mean flow index (Mx) and transfer function ARI (TF-ARI)...
June 24, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28639444/comparison-of-shuttle-and-straight-repeated-sprint-ability-tests-and-their-relationship-to-anthropometrics-and-explosive-muscular-performance-of-lower-limb-in-elite-handball-players
#14
Souhail Hermassi, René Schwesig, Rainer Wollny, Georg Fieseler, Roland van den Tillaar, Jaime Fernandez-Fernandez, Roy J Shephard, Mohamed S Chelly
BACKGROUND: This study assessed inter-relationships between shuttle and straight repeated-sprint ability tests and the relationship of each measure to anthropometric and explosive lower limb performance data in elite handball players. METHODS: Twenty-two elite male handball players (18.9 ± 0.2 years; body mass: 83.3 ± 1.1 kg, height: 1.79 ± 2.30 m, body fat: 12.8 ± 0.2%) completed tests that included a lower limb force-velocity test of peak power (Wpeak), jumping ability (squat and counter-movement jumps; SJ, CMJ), 1 repetition maximum (1-RM) half back squat, average sprint velocity over 5 m (V-5 m), peak velocity between 25-30 m (Vmax), and Yo-Yo Intermittent Recovery Test level 1 (Yo-Yo IR1), and anthropometric determinations of cross-sectional areas and muscle volumes for leg and thigh muscles...
June 21, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28604380/microsurgical-scia-siea-flap-for-facial-contour-correction-in-patient-with-hemifacial-microsomia
#15
Andrea Battisti, Andrea Cassoni Cassoni, Davina Bartoli, Marco Della Monaca, Giorgio Barbera, Edoardo Cerbelli, Valentino Valentini
AIM: We propose our experience in soft tissue reconstruction in Hemifacial microsomia using a free fascioadiposal flap. MATERIAL OF STUDY: Hemifacial microsomia (HFM) is a congenital disorder characterized by craniofacial malformation of one or both sides of the lower face. A 18-year-old female presented with hemifacial microsomia involving the left side. A free SCIA/SIEA fascioadiposal flap was transferred to the left face for soft tissue augmentation. RESULTS: The immediate postoperative course of the patient was uneventful, with no complication and adequate augmentation in contour deformity was achieved...
2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28555462/intermuscular-adipose-tissue-content-and-intramyocellular-lipid-fatty-acid-saturation-are-associated-with-glucose-homeostasis-in-middle-aged-and-older-adults
#16
Jung Eun Kim, Keagan Dunville, Junjie Li, Ji Xin Cheng, Travis B Conley, Cortni S Couture, Wayne W Campbell
BACKGROUND: Insulin resistance is associated with the higher content of intermuscular adipose tissue (IMAT) and the saturation of intramyocellular lipid (IMCL), but a paucity of data exist in humans. This study examined associations among IMAT content, IMCL saturation, and fasting glucose concentration in middle-aged and older adults with overweight or obesity. METHODS: Seventy-five subjects (26 males, 49 females) were recruited and thigh muscle and IMAT were assessed using magnetic resonance imaging...
June 2017: Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28542070/collagen-elastin-and-collagen-glycosaminoglycan-scaffolds-promote-distinct-patterns-of-matrix-maturation-and-axial-vascularization-in-arteriovenous-loop-based-soft-tissue-flaps
#17
Volker J Schmidt, Johanna O Wietbrock, Nico Leibig, Torsten Gloe, Dominic Henn, J Frederik Hernekamp, Leila Harhaus, Ulrich Kneser
INTRODUCTION: Autologous free flaps are the criterion standard for reconstructions of complex soft tissue defects; however, they are limited by donor-site morbidities. The arteriovenous (AV) loop model enables the generation of soft tissue constructs based on acellular dermal matrices with a functional microvasculature and minimal donor site morbidity. The ideal scaffold for AV loop-based tissue engineering has not been determined. METHODS: AV loops were placed into subcutaneous isolation chambers filled with either a collagen-elastin scaffold or a collagen-glycosaminoglycan scaffold in the thighs of rats...
July 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28533960/body-composition-estimation-from-selected-slices-equations-computed-from-a-new-semi-automatic-thresholding-method-developed-on-whole-body-ct%C3%A2-scans
#18
Alizé Lacoste Jeanson, Ján Dupej, Chiara Villa, Jaroslav Brůžek
BACKGROUND: Estimating volumes and masses of total body components is important for the study and treatment monitoring of nutrition and nutrition-related disorders, cancer, joint replacement, energy-expenditure and exercise physiology. While several equations have been offered for estimating total body components from MRI slices, no reliable and tested method exists for CT scans. For the first time, body composition data was derived from 41 high-resolution whole-body CT scans. From these data, we defined equations for estimating volumes and masses of total body AT and LT from corresponding tissue areas measured in selected CT scan slices...
2017: PeerJ
https://www.readbyqxmd.com/read/28522646/mr-spectroscopy-of-hepatic-fat-and-adiponectin-and-leptin-levels-during-testosterone-therapy-in-type-2-diabetes-a-randomized-double-blinded-placebo-controlled-trial
#19
Line Velling Magnussen, Poul Erik Andersen, Anabel Diaz, Jelena Markovic Ostojic, Kurt Højlund, David M Hougaard, Anders Nymark Christensen, Torben Leo Nielsen, Marianne Skovsager Andersen
BACKGROUND: Men with type 2 diabetes mellitus (T2D) often have lowered testosterone levels and an increased risk of cardiovascular disease (CVD). Ectopic fat increases the risk of CVD, whereas subcutaneous gluteofemoral fat protects against CVD and has a beneficial adipokine secreting profile. HYPOTHESIS: Testosterone replacement therapy (TRT) may reduce the content of ectopic fat and improve the adipokine profile in men with T2D. DESIGN AND METHODS: A randomized, double-blinded, placebo-controlled study in 39 men aged 50-70 years with T2D and bioavailable testosterone levels <7...
May 18, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28509443/hemodynamically-stimulated-and-in-vivo-generated-axially-vascularized-soft-tissue-free-flaps-for-closure-of-complex-defects-evaluation-in-a-small-animal-model
#20
Volker J Schmidt, Johanna O Wietbrock, Nico Leibig, Jochen F Hernekamp, Dominic Henn, Christian A Radu, Ulrich Kneser
The arteriovenous (AV) loop model permits the creation of significant volumes of axially vascularized tissue that represents an alternative to conventional free flaps, circumventing their common limitations. However, such AV-loop-based flaps have never before been examined in standardized animal models with respect to their suitability for reconstruction of critical bone exposing defects. In the course of our preliminary studies, we implemented a novel defect model in rats that provides standardized and critical wound conditions and evaluated whether AV-loop-generated flaps are suitable for free microsurgical transfer and closure of composite defects...
May 16, 2017: Journal of Tissue Engineering and Regenerative Medicine
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