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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
#1
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
#2
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
#3
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...
May 29, 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
#4
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
#5
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
#6
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
#7
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
https://www.readbyqxmd.com/read/28486005/reference-values-for-assessment-of-unilateral-limb-lymphedema-with-dual-energy-x-ray-absorptiometry
#8
Caroline A Gjorup, Helle W Hendel, Tobias W Klausen, Bo Zerahn, Lisbet R Hölmich
INTRODUCTION: The clinical assessment of unilateral limb lymphedema is commonly based on measurements of interlimb volume differences. Reference values for interlimb percentage differences of the volume, fat mass, and lean mass measured with dual-energy X-ray absorptiometry (DXA) scan are, however, not established. The aim of the study was to establish and categorize these reference values in normal limbs. METHODS AND RESULTS: DXA scans of the normal arms of 167 and normal legs of 196 melanoma patients (aged 18-75 years, body mass index <40), respectively, were performed...
May 9, 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28453512/a-reproducible-semi-automatic-method-to-quantify-the-muscle-lipid-distribution-in-clinical-3d-ct-images-of-the-thigh
#9
Alexander Mühlberg, Oleg Museyko, Jean-Denis Laredo, Klaus Engelke
Many studies use threshold-based techniques to assess in vivo the muscle, bone and adipose tissue distribution of the legs using computed tomography (CT) imaging. More advanced techniques divide the legs into subcutaneous adipose tissue (SAT), anatomical muscle (muscle tissue and adipocytes within the muscle border) and intra- and perimuscular adipose tissue. In addition, a so-called muscle density directly derived from the CT-values is often measured. We introduce a new integrated approach to quantify the muscle-lipid system (MLS) using quantitative CT in patients with sarcopenia or osteoporosis...
2017: PloS One
https://www.readbyqxmd.com/read/28447186/comparison-of-the-recovery-response-from-high-intensity-and-high-volume-resistance-exercise-in-trained-men
#10
Sandro Bartolomei, Eliahu Sadres, David D Church, Eliott Arroyo, Joseph A Gordon Iii, Alyssa N Varanoske, Ran Wang, Kyle S Beyer, Leonardo P Oliveira, Jeffrey R Stout, Jay R Hoffman
PURPOSE: The purpose of this study was to compare the physiological responses of a high-volume (HV; 8 sets of 10 repetitions) versus high-intensity (HI; 8 sets of 3 repetitions) exercise protocol in resistance-trained men. METHODS: Twelve men (24.5 ± 4.2 years; 82.3 ± 8.4 kg; 175.2 ± 5.5 cm) with 6.3 ± 3.4 years of resistance training experience performed each protocol in a counterbalanced, randomized order. Performance [counter movement jump peak power (CMJP), isokinetic (ISOK) and isometric leg extension (MVIC), isometric mid-thigh pull (IMTP), and isometric squat (ISQ)] and muscle morphological [cross-sectional area (CSA) of vastus lateralis] assessments were performed at baseline (BL), 30-min (P-30 min), 24-h (P-24 h), 48-h (P-48 h), and 72-h (P-72 h) post-exercise for each testing session...
April 26, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28445085/regenerative-surgery-in-the-treatment-of-cosmetic-defect-following-nuss-procedure
#11
Flavio Facchini, Marco Ghionzoli, Alessandra Martin, Sara Tanini, Sara Ugolini, Roberto Lo Piccolo, Antonio Messineo
BACKGROUND: In the past decade, the minimally invasive repair of pectus excavatum (MIRPE) has become the treatment of choice for severe pectus excavatum (PE), proving acceptable to excellent cosmetic results. Recently, autologous fat grafting (FG) has been identified in aesthetic and reconstructive surgery to ideally handle volume and contour defects. We report our experience about FG in the treatment of residual minor defects after MIRPE and a proposal for a new indication of this largely adopted technique...
April 26, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28439966/automated-fractional-limb-volume-measurements-improve-the-precision-of-birth-weight-predictions-in-late-third-trimester-fetuses
#12
Lauren M Mack, Sung Yoon Kim, Sungmin Lee, Haleh Sangi-Haghpeykar, Wesley Lee
OBJECTIVES: Fetal soft tissue can be assessed by using fractional limb volume as a proxy for in utero nutritional status. We investigated automated fractional limb volume for rapid estimate fetal weight assessment. METHODS: Pregnant women were prospectively scanned for 2- and 3-dimensional fetal biometric measurements within 4 days of delivery. Performance of birth weight prediction models was compared: (1) Hadlock (Am J Obstet Gynecol 1985; 151:333-337; biparietal diameter, abdominal circumference, and femur diaphysis length); and (2) Lee (Ultrasound Obstet Gynecol 2009; 34:556-565; biparietal diameter, abdominal circumference, and automated fractional limb volume)...
April 25, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28438396/the-versatile-use-of-revisited-de-epithelialization-concept-in-superficial-circumflex-iliac-and-anterolateral-thigh-perforator-free-flap-for-head-and-neck-reconstructions
#13
Jong Woo Choi, Young Chul Kim, Tae Suk Oh, Kyung S Koh, Woo Shik Jeong
BACKGROUND: Although the perforator free flap is now a standard choice for head and neck reconstruction, problems such as microvascular complications, insufficient volume support for the defect, and fistula formation occur. We revisited a de-epithelialized concept for superficial circumflex iliac artery and anterolateral thigh perforator free flap to overcome these problems. METHODS: We applied the de-epithelized perforator free flaps in 35 cases among 761 microsurgical head and neck reconstructions and investigated flap characteristics (length gain of pedicle, flap size, and volumetric analysis) and outcomes (flap failure, partial flap necrosis, hematoma, infection, and fistula)...
February 20, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28433473/sex-difference-in-the-heat-shock-response-to-high-external-load-resistance-training-in-older-humans
#14
Rose Njemini, Louis Nuvagah Forti, Tony Mets, Evelien Van Roie, Walter Coudyzer, Ingo Beyer, Christophe Delecluse, Ivan Bautmans
BACKGROUND: Literature reports on the effects of resistance training on heat shock protein70 (Hsp70) adaptation in older subjects are scarce. Moreover, the optimum training load required to obtain a beneficial adaptation profile is lacking. Therefore, the aim of this study was to determine the effects of resistance training at various external loads on extracellular Hsp70 (eHsp70) resting levels in older humans. METHODS: Fifty-six community-dwelling older (68±5years) volunteers were randomized to 12weeks of resistance training (3×/week) at either high-resistance (HIGH, 8 males, 10 females, 2×10-15 repetitions at 80% 1RM), low resistance (LOW, 9 Males, 10 Females, 1×80-100 repetitions at 20% 1RM), or mixed low resistance (LOW+, 9 Males, 10 Females, 1×60 repetitions at 20% 1RM followed by 1×10-20 repetitions at 40% 1RM)...
July 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28426514/comparison-of-the-hang-high-pull-and-loaded-jump-squat-for-the-development-of-vertical-jump-and-isometric-force-time-characteristics
#15
Dustin J Oranchuk, Tracey L Robinson, Zachary J Switaj, Eric J Drinkwater
Weightlifting movements have high skill demands and require expert coaching. Loaded jumps have a comparably lower skill demand, but may be similarly effective for improving explosive performance. The purpose of this study was to compare vertical jump performance, isometric force, and rate of force development (RFD) following a ten-week intervention employing the hang high-pull (hang-pull) or trap-bar jump squat (jump-squat). Eighteen NCAA Division II swimmers (8 males, 10 females) with at least one year of resistance training experience volunteered to participate...
April 15, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28363228/super-thin-and-suprafascial-anterolateral-thigh-perforator-flaps-for-extremity-reconstruction
#16
Akhil K Seth, Matthew L Iorio
Background The anterolateral thigh (ALT) flap remains a workhorse for soft tissue reconstruction. However, the traditional ALT flap is often too bulky for resurfacing shallow, distal extremity defects, prohibiting adequate function, or well-fitted orthotics. This study evaluates extremity reconstruction using ALT flaps elevated in the suprafascial or super-thin plane. Methods Retrospective review of ALT free flap reconstruction from October 2014 to July 2016 was performed. Suprafascial and super-thin flaps were those elevated just above the crural fascia and within the superficial scarpal plane, respectively...
March 31, 2017: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/28350651/application-of-posterior-thigh-three-dimensional-profunda-artery-perforator-perforasomes-in-refining-next-generation-flap-designs-transverse-vertical-and-s-shaped-profunda-artery-perforator-flaps
#17
Anita T Mohan, Lin Zhu, Yoo Joon Sur, Mohamed Morsy, Gregory J Michalak, Nirusha Lachman, Charalambos K Rammos, Michel Saint-Cyr
BACKGROUND: This study aimed to delineate and compare the hot spots and three-dimensional vascular territories of dominant profunda artery perforators in the posterior thigh region, and modifications in flap design are discussed. METHODS: Twenty-nine posterior thigh flaps were raised in fresh cadaveric specimens, and profunda artery perforators were documented. Dominant perforators were injected with iodinated contrast to assess perforasomes using computed tomographic angiography...
April 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28339117/intraexaminer-and-interexaminer-variability-in-3d-fetal-volume-measurements-during-the-second-and-third-trimesters-of-pregnancy
#18
Louise E Simcox, Lucy E Higgins, Jenny E Myers, Edward D Johnstone
OBJECTIVES: To assess intraexaminer and interexaminer reliability of 3-dimensional fetal sonographic measurements. METHODS: Three-dimensional fetal organ volumes (head, kidney, total thigh volume, and fractional thigh volume) were acquired during the second and third trimesters, with the addition of placental volume in the second trimester, by 2 different experienced, blinded sonographers. Fifty-eight fetuses were examined from 21 to 39 weeks' gestation. Intraexaminer and Interexaminer reliability was assessed with Bland-Altman plots, and their 95% limits of agreement and intraclass correlation coefficients...
March 24, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28317346/-efficacy-of-systemic-administration-of-oxytocin-on-implant-osseointegration-in-osteoporotic-rats
#19
Wang Maiquan, Peng Liwei, Li Yunfeng
OBJECTIVE: This study investigated the effects of systemic administration of oxytocin (OT) in osteoporotic rats on implant osseointegration. METHODS: Twenty rats were randomly assigned to the control and experimental groups. Initially, the rats underwent bilateral ovariectomy. After 12 weeks, an osteoporosis model was established. Each rat received an implant at the distal and middle femoral metaphysis. Simultaneously, systemic administration was conducted with one group receiving subcutaneous injection of OT (1 mg·kg⁻¹ per day), whereas the other group received placebo injection...
August 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28290752/mri-based-assessment-of-lower-extremity-muscle-volumes-in-patients-before-and-after-acl-reconstruction
#20
Grant E Norte, Katherine R Knaus, Chris Kuenze, Geoffrey G Handsfield, Craig H Meyer, Silvia S Blemker, Joseph M Hart
CONTEXT: Study of muscle volumes in patients after anterior cruciate ligament (ACL) injury and reconstruction (ACL-R) is largely limited to cross-sectional assessment of the thigh musculature, which may inadequately describe post-traumatic and post-surgical muscle function. No studies have prospectively examined the influence of ACL injury and reconstruction on lower extremity muscle volumes. OBJECTIVE: Assess magnetic resonance imaging (MRI) derived lower extremity muscle volumes, and quantify quadriceps strength and activation in patients following ACL injury and reconstruction...
March 14, 2017: Journal of Sport Rehabilitation
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